Home Computer Fundamentals Input Devices of Computer Computers are essential for this technological era. They are helping people in almost every field and making life easier. We cannot think of a world without computers because they are working efficiently and with incredible speed. We cannot communicate with a computer without an input device. Although the computer can work on its own, we will neither be able to modify its settings nor add new data to the computer. This article covers most of the input devices of a computer. Before discussing computer input devices, let's first understand the definition of an input device Definition of Input Device An input device is essentially a piece of instrument or hardware that allows users to provide data, information, or control instructions to a computer used for interaction and control. Data is entered into a computer in a raw format, which is converted into computer understandable language by input devices and processed by a central processing unit CPU to produce output. In simple terms, an input device is a kind of peripheral device that helps communicate with processing units of the computer. Note Input devices and Input Units are the same things. They are two similar terms used in different ways by different people. They are also known as peripheral or auxiliary devices. What are the Input Devices? Feeding instructions or data into a computer machine is done using hardware devices. During the process, the data is referred to as the input to a computer machine while the device or hardware device used to input the data is referred to as the input device or input unit. The input devices can be divided into different categories, such as pointing devices, keyboard devices, speech or voice input devices, draw devices, recognition devices, etc. The most common input devices of a computer system are listed below Computer Input Devices Input Devices of Computer List [Show/Hide] • Keyboard • Mouse • Joystick • Touchpad • Light Pen • Track Ball • Scanner • Graphic Tablet • Stylus • Touchscreen • Microphone • Digital Camera • Webcam • Magnetic Ink Card Reader • Optical Character Reader • Bar Code Reader • QR Code Reader • Optical Mark Reader • Biometric Devices • Motion Capturing Devices Functions of Input Devices Because input devices perform essential functions for computers, they are considered as parts of computer systems. They are electro-mechanical devices that help users input raw data into a computer. However, computers do not understand data in raw formats. Therefore, input devices convert raw data into the appropriate format or language that can be easily understood by a computer. The translated or converted data is stored in primary memory and sent to the CPU for further processing. In other words, the computer accepts raw input from users and translates the received input into machine language with the help of input devices. This is the primary function of the input device on the computer. Examples of Input Devices Several types of input devices are available to enter raw data into a computer. Each device has its own function, benefits, and drawbacks. The following are examples of commonly used input devices Keyboard The keyboard is one of the primary input devices, which helps in entering data and commands in a computer. The layout of the keyboard is almost identical to a traditional typewriter with additional keys that help in performing specific tasks. A normal keyboard usually has a variety of keys, such as alphabetic character keys, function keys, number keys, arrow keys, and control keys. The keyboard can be connected to a computer using USB for a wired keyboard or Bluetooth for a wireless keyboard. There is no specific rule for defining the number of keys; however, most keyboards come in two sizes - 84 keys or 101/102 keys. Nowadays many major brands are also making keyboards with 104 keys or 108 keys for Windows. Laptops come with inbuilt, more compact keyboards, which help make the laptop smaller and lighter. Besides, most modern devices such as smartphones, tablets, and convertible touch screen laptops come with on-screen virtual keyboards that help to input the data into a computer. Most English language keyboards have a QWERTY layout. Before the keyboard, punch cards and paper tape were used to enter data and commands into computers. Mouse A mouse is the most common and very popular pointing device that helps interact with a computer through a process called 'point and click'. This is mainly used to move a cursor on the computer's screen and click on the corresponding object using its buttons usually left, right, and middle key roller buttons. The left button helps select items while the right button helps display menus. The scroll wheel mainly helps to move the scrollbar up and down while surfing the web or reading documents. Some advanced mouse may also have additional buttons to perform specific tasks. Like the keyboard, the mouse can be both wired and wireless. Previously, the mouse used an integrated ball and roller, known as a mechanical mouse, to track the cursor move. The modern mouse uses optical technology laser to control or track the movements of the cursor; such a mouse is called an optical mouse. Joystick Joysticks are widely used to play games on a computer. They help control the characters and vehicles of the game. It can be a standalone device or can be included with multiple buttons and triggers to add options to perform more in-game features. It can also be used as a pointing device like a mouse. Essentially, a joystick is a handle that has a spherical ball at both ends upper and lower. It can be moved in all four directions, and its angle or moving direction is sent to the computer as data. Touchpad The touchpad, also known as a trackpad, is an input device that is primarily integrated with a laptop. It is a pointing device like a surface that can detect the movements of our fingers and move the pointer accordingly. It is nothing but a common alternative to a mouse and also helps to make computer devices compact, small, and lightweight. Touchpads were introduced mainly for laptops in the year 1990. Almost all modern laptops come with a touchpad that helps to perform mouse functions. Light Pen A light pen is another pointing device that has the same structure as a pen. It is a light-sensitive device consisting of a photocell and an optical system placed in a small tube. It is mainly used to select on-screen items, draw pictures, and write independently in document files using a computer screen. When the tip of the light pen is moved on the computer screen and the button on the pen is pressed, the photocell sensing element detects the screen location and sends the corresponding signal to the CPU. This helps the CPU detect pointer movements and clicks. Track Ball The trackball is a pointing device that is used to perform similar tasks as a mouse. However, its mechanical structure is slightly different from that of the mouse. Unlike a mouse, the trackball does not need to be moved around the surface. Instead, the user is required to rotate a ball by turning the fingers, which moves the pointer accordingly. The ball is inserted halfway into an instrument and may contain various shapes, such as a ball, square, or button. Because the trackball does not need to be moved around the surface, it can be perfect for low-lying areas. A trackball also has buttons to perform certain functions like a mouse. Trackballs may be stand-alone devices or may be attached to a keyboard, notebook, or laptop computer instead of a mouse. Scanner A scanner is an essential input device that allows us to convert a hard copy document into a digital file .jpeg, .png, .pdf, etc.. It basically uses optical technology that reads characters or pictures from a paper and transfers them to a computer's drive for further manipulation. Like other images, the scanned image can also be saved, edited, emailed, and printed whenever we want. Scanners can be of different types, depending on the different functionality. Some common types of scanners include a photo scanner, flatbed scanner, drum scanner, sheet-fed scanner, handheld scanner, etc. Graphic Tablet A graphic tablet, also known as a digitizer, is primarily used to digitally transform hand-drawn artwork .png, .jpeg, etc.. It is an input device with a flat surface and comes with a stylus. Users can use a stylus to draw graphics on a surface like we draw something on paper using a pen or pencil. The digitizer reads the signals and converts graphics to binary input. The same drawing is displayed on a computer screen in real-time and can be saved, edited, emailed, or printed. Besides, digitizers can also be used to signatures or texts as handwritten texts or computer-typed texts. Stylus A stylus is an input device used to draw or write on the surface of digitizers and touch-screens. It was mainly introduced for digitizers and PDAs; however, nowadays people are using a stylus with smartphones and tablets instead of fingers. This is because it can result in better accuracy, and prevent oil and scratches on the surface of the device from the user's fingers. Touchscreen Touchscreens are widely used due to the use of portable devices, such as smartphones, notebooks, tablets, laptops, etc. Touch screens allow users to input anything from moving or copying any object. Users can perform tasks using only their fingers or stylus. A touch screen is nothing but a touch-sensitive surface or monitor screen that reads the signals of movement of the user's fingers and performs certain tasks accordingly. This can be seen nowadays in most devices, such as smartphones, cameras, GPS screens, smartwatches, laptops, etc. Microphone A microphone, also known as a mic, is a type of voice input device that allows users to input voice into a computer system. Mics typically read sounds from the surroundings and convert analog sound waves into electrical signals. These signals are further converted into digital form and stored in the computer. Mics are used for many purposes, such as adding sound to a presentation, chatting while online gaming, video conferencing, voice calling, recording, voice recognition, and more. They can be of different types, depending on the quality and specific functionality. Some common types of microphones include a dynamic mic, ribbon mic, condenser mic, etc. Digital Camera A digital camera is an input device that is used to capture images and video in digital form. This allows users to store the captured media files in a memory card and transfer them to the computer. Digital cameras use an image sensor chip to capture images rather than the film used by traditional cameras of the old days. Digital cameras are widely used nowadays. Many advanced digital cameras also come with a screen that displays captured media as well as allows for many other options, such as preview, zoom, delete, send, and more. Webcam Webcam can capture images and videos and convert them into a digital form. A webcam is slightly different from a digital camera. Unlike digital cameras, webcams cannot operate independently. They should be connected to a computer. Also, webcams have no inbuilt memory; they use the computer's storage to save captured data. Webcams are most commonly used for video chatting and live-streaming videos. Magnetic Ink Card Reader MICR MICR is a device that typically reads characters or texts that are printed on paper using ink that contains particles of magnetic material. This device is mainly used in banks to read the cheque number and bank code and to send a signal to the computer to process a valid cheque. This reading process is known as magnetic ink character recognition. The MICR input device is very helpful for processing a large number of cheques in a short duration and that too with almost 100% accuracy. Optical Character Reader OCR OCR is an input device used to read the handwritten or printed text and convert them to digital text. This device reads text optically, character by character, and converts the text into digital form to be stored in a computer. It is mostly used in libraries and offices to copy texts from books and save them digitally. OCR scans the documents like a scanner and then converts them into two colored bitmap versions usually black and white. The light scanned areas are considered as background, while dark areas are considered as characters. Bar Code Reader A bar code reader, also known as a barcode scanner, is an input device used to read bar codes. Barcodes are data written as dark and light lines. Barcodes are usually printed on various items for labeling details. It is also known as a POS point of sale scanner. The bar code reader scans the bar code image using light, which is then reflected and translated into an analog signal. The signals are then decoded and transformed into alphanumeric values to be stored in a computer connected to a barcode reader. This ultimately helps in identifying product details and prices from the database. QR Code Reader The QR code reader, also known as the QR code scanner, is an input device used to read QR codes. QR codes are computer-generated patterns that store or hold a modest amount of data. They do not require a database to store information separately. QR code readers are almost identical in functionalities to bar code readers. Optical Mark Reader OMR The OMR is a type of input device that optically scans the paper and identifies the mark created using a pencil and pen. It is mainly used to verify answers from answer sheets, which include answers to multiple-choice questions. Biometric Devices Biometric devices are used to input a person's scanned data based on biological characteristics, such as facial structures, fingerprints, eye corneas, etc. Most modern smartphones come with the feature of Face Unlock and Fingerprint Unlock, making them a biometric device. However, they can also be standalone devices. Motion Capturing Devices These are the devices used to detect human movements and send them as input to the computer. Such devices are mostly used in advanced gaming setups, which allow players to play a game by moving their body parts accordingly. This technique is also beneficial in animation and robotics. Note There are many more input devices used on computers for performing specific purposes. Some other input devices are Interactive whiteboard, Paddle, Steering wheel, Light gun, VR, Remote, Gesture recognition devices, etc. Summary This article covers 20 examples of input devices used for computers, including their names, pictures, and functions of each. The primary function of an input device is to convert raw data given by users to machine language because computers only understand machine language and not raw input. The input device is known as the electro-mechanical component of a computer system.

KeyboardMouse Joy stake Microphone Midi Camera Scanner termasuk unit a Storage from AA 1. Study Resources. Main Menu; by School; by Literature Title; by Subject; by Study Guides; Keyboard mouse joy stake microphone midi camera. School No School; Course Title AA 1; Uploaded By ProfJellyfish11396.

> A keyboard, a mouse and a document reader are examples of Input devices. Scanner, Joystick, Keyboard are also input devices. Scanner scans a printed document Mouse, keyboard and joystick are input devices which work because of humans moving the devices. Data entered into computer through keyboard and mouse is an example of input. Data displayed on Desktop or Laptop or Smartphone or printed on paper or plotter is an example of output. Input devices are physical devices used to input data or information into the computer. All input devices get the user input, convert it into a certain form understood by the computer, and sends it to the processor for further processing. Different types of input devices are available for ReaderKeyboard Keyboard is the most commonly used input device. Keys available on the keyboard are 0-9 numbers, A-Z letters, F1-F12 function keys, shift, Ctrl, Alt, Tab, Cap lock, Enter, Backspace, and so on. Keyboard is directly connected to the computer through a USB cable. Keyboard can also be connected to the computer by using a Bluetooth, Radio Frequency, or Infrared adapter. Bluetooth enables wireless communication between keyboard and PC. While Alphabets and Digits keys are usually typed by single keys. Simultaneous use of 2 or 3 keys help to perform basic operations like saveCtrl+s, copyCtrl+c, pasteCtrl+v, type upper case letter shift key + alphabet, boldCtrl key + b, print Crtl key + p. Laptops come with an inbuilt Is Mouse Input or Output device? Mouse is an input mouse is the handheld input device which consists of two buttons, one on the left and the second on the right, and a scroll wheel in the middle which also works as a is also called a pointing works because of two dimensional motion is converted into a pointer or cursor movement on the use the mouse on a flat surface by using our fingers to easily move the pointer or cursor across the computer screen. In the early days, the mouse has used a ball roller for moving the cursor on the computer screen. In modern computers, mice are designed with an optical sensor that controls the cursor movement on the computer screen. Like the keyboard, the mouse is connected to the computer through USB cables or by using a Bluetooth device. Laptop computers have an inbuilt touchpad that works similarly to a mouse. By using a mouse button, we can perform some operations like select items from the menu, drag and drop the document, select single or more document lines, etc. Mouse is not used for entering text or data on the computer. The most common types of computer mice areMechanical mouseOptical mouseTrackball mouseWireless mouseMicrophone Microphone is one type of input device used to accept the sound as an receives sound waves and converts them into audio signals. Audio signals can be again converted into digital data that is stored in your stored audio is used to add sound to the presentation on video conference, voice recognition, a game application, music mixing, voice recording, VoIP- Voice over Internet Protocol, chatting, A scanner is an input device that scans the image, text in the document, regardless of a printed text or handwritten text, and objects, and then converts it into a digital image or file on the screen. Scanner input device is mainly used in big organizations like offices, schools, colleges, shopping malls, and printing of different types are available in the market - flatbed scanner, sheeted scanner, photo scanner, and handheld scanner is connected to the computer via USB Touchscreen is a computer input device as well as computer output device. Touch provides input. Screen provides the output. Touchscreen is a display screen that can be activated by touch using your fingers to interact with the devices. Touchscreen is mainly used in portable electronic devices like smartphones, tablets, and laptops on which Touchscreen acts as a graphical user interface between devices and the can provide some common functions like swiping, touch, drag, tap, and a lot of actions are done by simply touching the can also be used for other devices as such ATM, car GPS, sheet checking in the theater, medicals, cameras, Webcam is a computer input device. Webcam is a camera which is connected to the computer by using a USB or inbuilt with the computer laptops. Webcam is an input device to capture the image or motion video. This webcam image or video can be stored on the computer or transferred as a video stream over the purpose of webcam is making a video call, video conference, taking still pictures or you want to share the picture or video taken by webcam with another person, You can send through the Reader Barcode reader is an input device used to read the Bar code information that can be printed as image on product covers, plastic wrappers and cardboard consists of some set of black, dark lines and thin lines that defines the information corresponding to the goods being sold in Retail shops or the internet. Bar code data contains more information that includes characters and numbers. Barcode reader contains a scanner and a uses the light beam to scan across the barcode, then it detects the reflected light beam and converts them into electrical converts those electrical forms into data that is easily read by the computer. Different types of barcode readers available such as image scanners, laser scanners, pen wands, slot scanners, and Charge-Couple Devices CCD. > > A keyboard, a mouse and a document reader are examples of Input devices. Scanner, Joystick, Keyboard are also input devices. Scanner scans a printed document Mouse, keyboard and joystick are input devices which work because of humans moving the devices. Data entered into computer through keyboard and mouse is an example of input. Data displayed on Desktop or Laptop or Smartphone or printed on paper or plotter is an example of output. Input devices are physical devices used to input data or information into the computer. All input devices get the user input, convert it into a certain form understood by the computer, and sends it to the processor for further processing. Different types of input devices are available for ReaderKeyboard Keyboard is the most commonly used input device. Keys available on the keyboard are 0-9 numbers, A-Z letters, F1-F12 function keys, shift, Ctrl, Alt, Tab, Cap lock, Enter, Backspace, and so on. Keyboard is directly connected to the computer through a USB cable. Keyboard can also be connected to the computer by using a Bluetooth, Radio Frequency, or Infrared adapter. Bluetooth enables wireless communication between keyboard and PC. While Alphabets and Digits keys are usually typed by single keys. Simultaneous use of 2 or 3 keys help to perform basic operations like saveCtrl+s, copyCtrl+c, pasteCtrl+v, type upper case letter shift key + alphabet, boldCtrl key + b, print Crtl key + p. Laptops come with an inbuilt Is Mouse Input or Output device? Mouse is an input mouse is the handheld input device which consists of two buttons, one on the left and the second on the right, and a scroll wheel in the middle which also works as a is also called a pointing works because of two dimensional motion is converted into a pointer or cursor movement on the use the mouse on a flat surface by using our fingers to easily move the pointer or cursor across the computer screen. In the early days, the mouse has used a ball roller for moving the cursor on the computer screen. In modern computers, mice are designed with an optical sensor that controls the cursor movement on the computer screen. Like the keyboard, the mouse is connected to the computer through USB cables or by using a Bluetooth device. Laptop computers have an inbuilt touchpad that works similarly to a mouse. By using a mouse button, we can perform some operations like select items from the menu, drag and drop the document, select single or more document lines, etc. Mouse is not used for entering text or data on the computer. The most common types of computer mice areMechanical mouseOptical mouseTrackball mouseWireless mouseMicrophone Microphone is one type of input device used to accept the sound as an receives sound waves and converts them into audio signals. Audio signals can be again converted into digital data that is stored in your stored audio is used to add sound to the presentation on video conference, voice recognition, a game application, music mixing, voice recording, VoIP- Voice over Internet Protocol, chatting, A scanner is an input device that scans the image, text in the document, regardless of a printed text or handwritten text, and objects, and then converts it into a digital image or file on the screen. Scanner input device is mainly used in big organizations like offices, schools, colleges, shopping malls, and printing of different types are available in the market - flatbed scanner, sheeted scanner, photo scanner, and handheld scanner is connected to the computer via USB Touchscreen is a computer input device as well as computer output device. Touch provides input. Screen provides the output. Touchscreen is a display screen that can be activated by touch using your fingers to interact with the devices. Touchscreen is mainly used in portable electronic devices like smartphones, tablets, and laptops on which Touchscreen acts as a graphical user interface between devices and the can provide some common functions like swiping, touch, drag, tap, and a lot of actions are done by simply touching the can also be used for other devices as such ATM, car GPS, sheet checking in the theater, medicals, cameras, Webcam is a computer input device. Webcam is a camera which is connected to the computer by using a USB or inbuilt with the computer laptops. Webcam is an input device to capture the image or motion video. This webcam image or video can be stored on the computer or transferred as a video stream over the purpose of webcam is making a video call, video conference, taking still pictures or you want to share the picture or video taken by webcam with another person, You can send through the Reader Barcode reader is an input device used to read the Bar code information that can be printed as image on product covers, plastic wrappers and cardboard consists of some set of black, dark lines and thin lines that defines the information corresponding to the goods being sold in Retail shops or the internet. Bar code data contains more information that includes characters and numbers. Barcode reader contains a scanner and a uses the light beam to scan across the barcode, then it detects the reflected light beam and converts them into electrical converts those electrical forms into data that is easily read by the computer. Different types of barcode readers available such as image scanners, laser scanners, pen wands, slot scanners, and Charge-Couple Devices CCD. >

Scannertermasuk ke dalam perangkat. Scanner merupakan perangkat input yang sifatnya insidentil, yaitu hanya dipergunakan ketika dibutuhkan, dan tidak digunakan setiap saat,. Pengenalan Hardware, Software dan Brainware « Share it Benda yang termasuk dalam perangkat input dan output diantaranya mouse, keyboard, flashdisk, joystick, monitor, serta printer.

Following are some of the important input devices which are used in a computer − Keyboard Mouse Joy Stick Light pen Track Ball Scanner Graphic Tablet Microphone Magnetic Ink Card ReaderMICR Optical Character ReaderOCR Bar Code Reader Optical Mark ReaderOMR Keyboard Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. Keyboards are of two sizes 84 keys or 101/102 keys, but now keyboards with 104 keys or 108 keys are also available for Windows and Internet. The keys on the keyboard are as follows − Keys & Description 1 Typing Keys These keys include the letter keys A-Z and digit keys 09 which generally give the same layout as that of typewriters. 2 Numeric Keypad It is used to enter the numeric data or cursor movement. Generally, it consists of a set of 17 keys that are laid out in the same configuration used by most adding machines and calculators. 3 Function Keys The twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard. Each function key has a unique meaning and is used for some specific purpose. 4 Control keys These keys provide cursor and screen control. It includes four directional arrow keys. Control keys also include Home, End, Insert, Delete, Page Up, Page Down, ControlCtrl, AlternateAlt, EscapeEsc. 5 Special Purpose Keys Keyboard also contains some special purpose keys such as Enter, Shift, Caps Lock, Num Lock, Space bar, Tab, and Print Screen. Mouse Mouse is the most popular pointing device. It is a very famous cursor-control device having a small palm size box with a round ball at its base, which senses the movement of the mouse and sends corresponding signals to the CPU when the mouse buttons are pressed. Generally, it has two buttons called the left and the right button and a wheel is present between the buttons. A mouse can be used to control the position of the cursor on the screen, but it cannot be used to enter text into the computer. Advantages Easy to use Not very expensive Moves the cursor faster than the arrow keys of the keyboard. Joystick Joystick is also a pointing device, which is used to move the cursor position on a monitor screen. It is a stick having a spherical ball at its both lower and upper ends. The lower spherical ball moves in a socket. The joystick can be moved in all four directions. The function of the joystick is similar to that of a mouse. It is mainly used in Computer Aided Designing CAD and playing computer games. Light Pen Light pen is a pointing device similar to a pen. It is used to select a displayed menu item or draw pictures on the monitor screen. It consists of a photocell and an optical system placed in a small tube. When the tip of a light pen is moved over the monitor screen and the pen button is pressed, its photocell sensing element detects the screen location and sends the corresponding signal to the CPU. Track Ball Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. This is a ball which is half inserted and by moving fingers on the ball, the pointer can be moved. Since the whole device is not moved, a track ball requires less space than a mouse. A track ball comes in various shapes like a ball, a button, or a square. Scanner Scanner is an input device, which works more like a photocopy machine. It is used when some information is available on paper and it is to be transferred to the hard disk of the computer for further manipulation. Scanner captures images from the source which are then converted into a digital form that can be stored on the disk. These images can be edited before they are printed. Digitizer Digitizer is an input device which converts analog information into digital form. Digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a computer. They can be used by the computer to create a picture of whatever the camera had been pointed at. Digitizer is also known as Tablet or Graphics Tablet as it converts graphics and pictorial data into binary inputs. A graphic tablet as digitizer is used for fine works of drawing and image manipulation applications. Microphone Microphone is an input device to input sound that is then stored in a digital form. The microphone is used for various applications such as adding sound to a multimedia presentation or for mixing music. Magnetic Ink Card Reader MICR MICR input device is generally used in banks as there are large number of cheques to be processed every day. The bank's code number and cheque number are printed on the cheques with a special type of ink that contains particles of magnetic material that are machine readable. This reading process is called Magnetic Ink Character Recognition MICR. The main advantages of MICR is that it is fast and less error prone. Optical Character Reader OCR OCR is an input device used to read a printed text. OCR scans the text optically, character by character, converts them into a machine readable code, and stores the text on the system memory. Bar Code Readers Bar Code Reader is a device used for reading bar coded data data in the form of light and dark lines. Bar coded data is generally used in labelling goods, numbering the books, etc. It may be a handheld scanner or may be embedded in a stationary scanner. Bar Code Reader scans a bar code image, converts it into an alphanumeric value, which is then fed to the computer that the bar code reader is connected to. Optical Mark Reader OMR OMR is a special type of optical scanner used to recognize the type of mark made by pen or pencil. It is used where one out of a few alternatives is to be selected and marked. It is specially used for checking the answer sheets of examinations having multiple choice questions.

8 keyboard, Mouse, Joy stake, Microphone, Midi, Camera, Scanner termasuk unit a. Storage device b. Processing Unit devive c. Peripheral device d. Input device e. Output device 9. Berikut ini yang termasuk piranti masukan adalah, kecuali a. Keyboard b. VGA Card c. Scanner d. Joystick e. Mouse 10.

Want to join the conversation?How exactly does the computer know which ones and zeros stand for different things? For example, if you type the letter B, how does it distinguish it from a different type of input?Button navigates to signup pageButton navigates to signup pageGreat question. When you press a key, your keyboard sends a particular "scancode" to the computer. The scancode represents the key that was an example of scancodes sent by IBM keyboards scan code is then interpreted by programs running on the computer like the keyboard "driver", and the pressed key information becomes available to the other programs a program wants the computer to store the pressed key in memory, it will often store characters using the "ASCII" encoding standard. You can see the codes for that here "B" is 01000010, so that's what the computer would store in on pamela ❤'s post “Great question. When you ...”What is an Arduino computer which is mentioned in above exercise?Button navigates to signup pageButton navigates to signup pageAn Arduino computer is a very small computer. Think of it as a small motherboard. There are many things that can be added onto an Arduino which can allow it to do many different navigates to signup pageAt my house, I have a small color sensor for a lego toy. When I turn it on, it emits a beam of light and reads what the color is that it’s above. I’m trying to figure out if it’s an input or output device. 1. It has an on switch - input2. It emits a light beam - output3. It reads colors - input4. It tells what color it’s reading - outputIt looks to me as if it’s a combination of the two. Are instruments such as this better categorized as their own computer as they have input and output?Button navigates to signup pageComment on Quinn Hardbrook's post “At my house, I have a sma...”This is a really great question! You're right that it has both input and output qualities. Although when determining if something is mainly an input or output device, it's best to think of it in relation to a computer. If the device's main purpose is to gather information for the computer, then it's an input device. If its main purpose is to let the computer communicate information to the user, then it's an output the color sensor has some input qualities and some output qualities, I would say its main function is to read colors. The other features are there just to help it with its main function reading colors. So I would say that it's an input device. You could also count it as its own computer, with its own inputs and outputs, but typically that's not how it's this made sense! Comment on Evan's post “This is a really great qu...”I think the 3 d printer should be input and output, this right?Button navigates to signup pageButton navigates to signup pageYou could say that, but I would rather think of it as an output device. The thing is if it's also an input device, what's it outputting to 🤔? I wouldn't think of a printed plastic model as another computer, which makes it hard to think of the plastic as another thing capable of "inputting" a stream of 1's and 0's that tell a printer to print navigates to signup pageIs a radar input or output or both?Button navigates to signup pageComment on F H's post “Is a radar input or outpu...”A radar is a system that contains both input and output portions. When the radar receives the signal that it is being turned on, it begins to take in information through the measuring of the radio waves it sends out. This is the output portion. When it sends the information back to wherever it is told to go, it is now an navigates to signup pageHow does the computer know what its doing and does it make any navigates to signup pageComment on post “How does the computer kno...”It's a machine. Engineers want computers to act mechanically, so they use a lot of math and logic when organizing a computer system! this in turn gives the computer a lot of structure, which also serves to clarify its functionality! You have to admit that it's hard to make mistakes, when you're thinking is clear, and your work is neat!Button navigates to signup pagealso are these other questions fake or something everyone here sounds like npcsButton navigates to signup pageButton navigates to signup pageis a faxing machine an input or output deviseButton navigates to signup pageComment on champblahblah's post “is a faxing machine an in...”Depends on how you plugged it in. Is your faxing machine hooked up to your computer? Then we say its an input device for your computer!Did you decide to fax some of your word documents? Then we say your faxing machine is an output device for your computer, which outputs your word documents to the world!"is your computer hooked up to your fax machine, which is also hooked up to a projector? Then we can say that its both an input and an output device!TLDR depends on how you're using it along with other computing systems 😃.Button navigates to signup pageAre all sensors input devices ?Button navigates to signup pageComment on Eishah Armaghan's post “Are all sensors input dev...”All sensors collect data about the world around them. So yes, all sensors are input devices. Hope this helps! Button navigates to signup pageAI robots, interact through voice input for robots to make corresponding action?Button navigates to signup pageButton navigates to signup pageA robot can respond to voice commands if it has an input device that allows it to receive voice it would need a microphone to receive sounds and it would need code that allows it to translate the received sounds into navigates to signup page

Perangkatlunak komputer dan peralatan telekomunikasi, termasuk modem, untuk memungkinkan koneksi ke basis data, jaringan komputer, jaringan komputer global dan internet computer software and telecommunications apparatus, including modems, to enable connection to databases, computer networks, global computer networks and the

The input devices are used for supplying program and data to the memory. In other words, the computer system reads the program and the data from the input devices. Most common input devices are the keyboard and are some of the important input devices which are used in a computer −KeyboardMouseJoy StickLight penTrack BallScannerGraphic TabletMicrophoneMagnetic Ink Card ReaderMICROptical Character ReaderOCRBar Code ReaderOptical Mark ReaderOMRKeyboardThe keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of the traditional typewriter, although there are some additional keys provided for performing additional are of two sizes 84 keys or 101/102 keys, but now keyboards with 104keys or 108 keys are also available for Windows and keys on the keyboard are as follows −CategoryKeys & keysThese keys include the letter keys A-Z and digit keys 09 which generally give the same layout as that of is used to enter the numeric data or cursor movement. Generally, it consists of a set of 17 keys that are laid out in the same configuration used by most adding machines and twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard. Each function key has a unique meaning and is used for some specific keysThese keys provide cursor and screen control. It includes four directional arrow keys. Control keys also include Home, End,Insert, Delete, Page Up, Page Down, ControlCtrl, AlternateAlt,EscapeEsc. KeysKeyboard also contains some special purpose keys such as Enter, Shift, CapsLock, Num Lock, Spacebar, Tab, and Print mouse is the most popular pointing device. It is a very famous cursor-control device having a small palm size box with a round ball at its base, which senses the movement of the mouse and sends corresponding signals to the CPU when the mouse buttons are it has two buttons called the left and the right button and a wheel is present between the buttons. A mouse can be used to control the position of the cursor on the screen, but it cannot be used to enter text into the to useNot very expensiveMoves the cursor faster than the arrow keys of the joystick is also a pointing device, which is used to move the cursor position on a monitor screen. It is a stick having a spherical ball at its both lower and upper ends. The lower spherical ball moves in a socket. The joystick can be moved in all four function of the joystick is similar to that of a mouse. It is mainly used in Computer Aided Designing CAD and playing computer PenLightpen is a pointing device similar to a pen. It is used to select a displayed menu item or draw pictures on the monitor screen. It consists of a photocell and an optical system placed in a small the tip of a light pen is moved over the monitor screen and the pen button is pressed, its photocell sensing element detects the screen location and sends the corresponding signal to the trackball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. This is a ball which is half inserted and by moving fingers on the ball, the pointer can be the whole device is not moved, a trackball requires less space than a mouse. A trackball comes in various shapes like a ball, a button, or a scanner is an input device, which works more like a photocopy machine. It is used when some information is available on paper and it is to be transferred to the hard disk of the computer for further captures images from the source which are then converted into a digital form that can be stored on the disk. These images can be edited before they are digitizer is an input device which converts analog information into digital form. The digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a computer. They can be used by the computer to create a picture of whatever the camera had been pointed digitizer is also known as Tablet or Graphics Tablet as it converts graphics and pictorial data into binary inputs. A graphics tablet as digitizer is used for fine works of drawing and image manipulation microphone is an input device to input sound that is then stored in a digital microphone is used for various applications such as adding sound to a multimedia presentation or for mixing Ink Card Reader MICRMICR input device is generally used in banks as there are a large number of cheques to be processed every day. The bank's code number and cheque number are printed on the cheques with a special type of ink that contains particles of magnetic material that are machine reading process is called Magnetic Ink Character Recognition MICR. The main advantages of MICR are that it is fast and less Character Reader OCROCR is an input device used to read a printed scans the text optically, character by character, converts them into a machine-readable code, and stores the text on the system ReadersBarCode Reader is a device used for reading bar coded data data in the form of light and dark lines. Barcoded data is generally used in labeling goods, numbering the books, etc. It may be a handheld scanner or may be embedded in a stationary Reader scans a barcode image, converts it into an alphanumeric value, which is then fed to the computer that the bar code reader is connected Mark Reader OMROMR is a special type of optical scanner used to recognize the type of mark made by pen or pencil. It is used where one out of a few alternatives is to be selected and is especially used for checking the answer sheets of examinations having multiple choice questions.

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