What is input devices and output devices of computer?
An input device sends information to a computer system for processing, and an output device reproduces or displays the results of that processing. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device.
What are the 10 output devices of a computer?
The various output devices are:Monitor. A computer's principal output device is a monitor, often known as a Visual Display Unit (VDU). ... Printer. Printers are information output devices that allow you to print data on paper. ... Plotter. ... Projector. ... Speakers. ... Headphones. ... Sound Card. ... Video Card.More items...•
What are the 10 input devices?
Computer - Input DevicesKeyboard.Mouse.Joy Stick.Light pen.Track Ball.Scanner.Graphic Tablet.Microphone.More items...
What are 5 computer output devices?
Examples include monitors, printers, speakers, headphones, projectors, GPS devices, optical mark readers, and braille readers.
What are the input devices of computer?
The most common input devices are the keyboard, mouse, and touch screen. Portable keyboard, wireless mouse, and iPhone. There are hundreds of other input devices, like microphones to capture sound waves, scanners to capture image data, and virtual reality devices to capture our body movements.
What are the five input device?
Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.
What are the 20 input device in computer?
The most important computer input devices are keyboard, mouse, light pen, scanner, punch card reader, gamepad, graphics tablet, webcam, MICR, OCR, and OMR.
What are two output devices?
Typical examples of output devices are monitors and projectors (video), headphones and speakers (audio), or printers and plotters (physical reproduction in the form of text or graphics).
What are the 14 input devices?
Top 14 Input Devices Used in a ComputerInput Device # 1. Punched Cards Input:Input Device # 3. Magnetic Tape:Input Device # 5. Disc Systems (Floppy):Input Device # 6. Winchester Disk:Input Device # 12. Magnetic Ink Character Recognition (MICR):Input Device # 13. CRT and Light Pen:
What are 5 input devices and 5 output devices?
Keyboards, mouse, scanners, etc are some of the input devices while printers, monitors, headphones, etc are some of the output devices....Output Devices of ComputerMonitors. ... Printers. ... Speakers. ... Projector. ... Plotter. ... Braille Reader. ... Television. ... Video Card.More items...
What are computer outputs?
1. Any information processed by and sent out from a computer or other electronic device is considered output. An example of output is anything viewed on your computer monitor screen, such as the words you type on your keyboard.
What are four input devices?
► Each travel technique uses a different input device and we used a directed search task. ► The four input devices are: mouse, keyboard, joystick, gamepad.
What keys can be seen on a keyboard?
Typing Keys, Numeric Keypad, Function Keys, Control keys, and Special Purpose Keys are available on the keyboard.
What is input to the computer?
Simply one can understand Input is data that a computer takes, on the other hand, the output is data that a computer transfers. Computers only work...
What do OCR and OMR stand for?
OCR stands for Optical Character Reader and OMR stands for Optical Mark Readers.
What kind of device is a speaker?
Speaker is an output device.
What is the importance of an output device?
Computer output devices obtain information from the computer and transmit data that has been processed by the computer to the user. Output devices...
List some of the names of input and output devices?
Input devices: Keyboard, Mouse, JoyStick, Light pen, Track Ball, Scanner, Graphic Tablet, Microphone, Magnetic Ink Card Reader (MICR), Optical Char...
What is an input/output device?
An input/output device, often known as an IO device, is any hardware that allows a human operator or other systems to interface with a computer. Input/output devices, as the name implies, are capable of delivering data (output) to and receiving data from a computer (input).#N#An input/output (I/O) device is a piece of hardware that can take, output, or process data. It receives data as input and provides it to a computer, as well as sends computer data to storage media as a storage output.
What is an I/O device?
An input/output (I/O) device is a piece of hardware that can take, output, or process data. It receives data as input and provides it to a computer, as well as sends computer data to storage media as a storage output. There are many IO Devices available, some of them are:
What is scanner on a computer?
A scanner is an input device that functions similarly to a photocopier. It’s employed when there’s information on paper that needs to be transferred to the computer’s hard disc for subsequent manipulation. Scanner collects images from the source and converts them to a digital format that may be saved on a disc.
What is a joystick?
A joystick is a pointing device that is used to move the cursor on a computer screen. A spherical ball is attached to both the bottom and top ends of the stick. In a socket, the lower spherical ball slides. You can move the joystick in all four directions. The joystick’s function is comparable to that of a mouse.
How many keys does a keyboard have?
Generally, keyboards come in two sizes: 84 keys or 101/102 keys, but currently keyboards with 104 keys or 108 keys are also available for Windows and the Internet.
What is a bar code reader?
A bar code reader is a device that reads data that is bar-coded (data that is represented by light and dark lines). Bar-coded data is commonly used to mark things, number books, and so on. It could be a handheld scanner or part of a stationary scanner.
What is a monitor?
Monitor. Monitors, also known as Visual Display Units (VDUs), are a computer’s primary output device. It creates images by arranging small dots, known as pixels, in a rectangular pattern. The amount of pixels determines the image’s sharpness.
What is input/output device?
In simple terms, input devices bring information INTO the computer and output devices bring information OUT of a computer system. These input/output devices are also known as peripherals since they surround the CPU and memory of a computer system.
How does a reading device work?
It is also a reading device that reads printed text by scanning it character by character. It first converts them into machine-readable code and saves them in the system memory.
What is a scanner?
Scanner is an input device used for direct data entry from the source document into the computer system. It converts the document image into digital form so that it can be fed into the computer. Capturing information like this reduces the possibility of errors typically experienced during large data entry.
What is a mouse?
The mouse is a small device used to point to a particular place on the screen and select in order to perform one or more actions. It can be used to select menu commands, size windows, start programs etc.
What is a pen like device?
It is mandatory to have a graphic card to use the device. The pen like device that comes with it helps in replicating the exact design on the computer.
How do digital cameras work?
A digital camera takes pictures by converting the light passing through the lens at the front into a digital image .
When was LCD first used?
LCD was introduced in the 1970s and is now applied to display terminals also. Its advantages like low energy consumption, smaller and lighter have paved its way for usage in portable computers (laptops).
What is an output device?
A piece of hardware/equipment that presents the result of the entered input, once it is processed, is called an output device. Several output devices display output in various ways such as images, text, hard copies, and audio/video. Following are some of the commonly used output devices used in a computer system:
What is the most basic input device?
The keyboard is the most basic and very commonly used input device which helps to input data to the computer. The layout of the buttons in a normally used keyboard is similar to the traditional typewriter, but there are a few additional keys provided by different manufacturers for performing additional functions.
What is a microphone?
A microphone or mic is a very common input device used to input sound that is then stored in a digital form. Nowadays microphones are used in almost every industry and devices related to sound recording or transmission.
What is the main function of a computer?
The main functioning of a computer system is based on the combined usage of both input and output devices. Utilizing an input device, a user can give directions to the computer to run and the device reverts to the user’s action through an output device. Let’s understand first what is an input unit and output unit.
What is the most common output device used with a computer to listen to the sound?
Speakers. Computer speakers are the most popular output devices used with a computer to listen to the sound. These speakers receive audio as input either in analog or digital form and generate sound as an output.
How many keys does a keyboard have?
Normally available keyboards in the market were of two sizes 84 keys and 101/102 keys, but now keyboards with 104 keys or 108 keys are also possible for Windows and Internet. Following is the description of the buttons on the keyboard:
What is the most commonly used pointing device?
Mouse. It is the most commonly used pointing device. It is a very famous cursor-control device and the earlier versions of it were built over a small palm-size box with a round ball at its base, which tracks the movement of the mouse and feeds digital signals to the CPU when the mouse buttons are pressed.
Input VS Output Devices
A computer system functions appropriately based on the combined usage of input and output devices. In this article, we have attempted to define both the terms “input” and “output” devices and explain the differences between these terms.
Learn About Input Device
An input is a hardware device connected to the computer system that sends out data to the computer to process it and controls the signals. Some typical examples for input devices in a computer are touch screen, mouse, keyboard. These are used directly to enter the instructions and information/data.
Learn About Output Device
An output device is a hardware component used to receive data such as text, graphics, tactile, audio/ video and so on from the computer to conduct a task. The output devices reproduce, interpret or display the results of processing the data. Examples of output devices include a printer, a monitor, speakers and so on.
What is output device?
Meaning: Output devices are also the electronic parts of the computer. These are the part of computer hardware equipment which converts the accepted input information into readable form. It can be text, graphics, audio, or video.
What are some examples of input devices?
Examples: 1. Keyboard – The keyboard one of the most prominent input devices of the computer, looks similar to typewriters. The keyboard is designed to input data in the format of the text, numbers, and special characters. The computer keyboard is one of the actual examples of input devices in computing. The keyboard is probably the primary means ...
What is input and output?
There are many input and output devices of the computer. These devices are a vital part of the computer to process throughout the functions of the computer. With the input and output devices of the computer, the system wouldn’t full fill the needs of the user.
How does a computer work?
It can be defined as an electro-mechanical device that allows a user to input the data into a computer, by usually typing on a keyboard, or by clicking a mouse, by which we can input data into the computer. The computer accepts instructions from the user and converts the received data into machine language to display the output results .
What is a keyboard in a computer?
The computer keyboard is one of the actual examples of input devices in computing . The keyboard is probably the primary means of communicating for the user with a computer system. Tip – Read all the 9 Types of Keyboards with pictures as per the needs and comfort. 2.
What does "I/O devices" mean?
Meaning: I/O devices or (both input and output devices) are those devices that have both the functionality at the same time. In Short, a device that inputs the data gives output results at the same time by itself.
What are some examples of universal output devices?
Examples: 1. Monitors – Monitors are the most critical universal output devices for a computer to the visual display of all types of information., without it, the output data of the computer is incomplete. It acts as an interface between the CPU and the user.
What are input and output devices?
What are the input and output devices? The devices that are used to display the information of the results are known as output devices. While the devices whose main function is to give instructions and data to the computer are called input devices. Today we are going to discuss these devices in detail. This is to help you have a basic idea about ...
What are the devices that can be used to work with a computer?
To work with these data, we require different types of devices. These devices can help us enter data into the computer. These devices are called input and output devices. They mainly cover devices like mouse, keyboard, printer, speaker, joystick, etc which can be used with a computer.
How does an inkjet printer work?
The inkjet printer works by spraying tiny drops of ink on the paper. It can print in colour as well as in black and white format. The quality of printing is good and it does not make any noise. The speed of this printer is measured in pages per minute.
How does a touch screen monitor work?
Touchscreen monitors are becoming more and more popular. It requires putting the input to the computer through the touch by your finger, pen, stylus, etc. You can give any sort of information to the computer by touching it.
How does a mouse work?
It is a pointing device. The main principle it works on is point and click. The mouse uses the trackball to give the motion to the pointer displayed on the screen. Usually, for the windows based programs, a mouse is used.
How many buttons does a keyboard have?
Keyboard. The keyboard is used to enter all the data into the computer. It directs the computer through instructions. Normally keyboard has 104 buttons called the keys. You can do various tasks through the keyboard. You can program, type, etc through keyboard only.
What is the purpose of a monitor?
The monitor is another important component of a computer. It is used to display the processed information. It is known as a visual display unit (VDU). The pictures that are displayed on the screen are shown by using a large number of tiny dots known as pixels.
What is input device?
Input devices are those devices that are used to input the program and data in the computer system are known as input devices. In simple words, An input device sends information to the computer system for the purpose of processing. For example, you can type in data by using a keyboard, or you can input data in picture form by using a scanner on a computer system.
What is the most common input device used for entering the data and information into the computer system?
This is the most common input device used for entering the data and information into the computer system. A keyboard is the primary device for inputting the input text which are given in a keyboard in alphabetical and numeric keys.
What is a scanner?
A scanner is an electronic device which is used for scanning the printed documents, images etc. This device transform the scanned document into the digital file format. The scanner is mostly used for the purpose of high resolution and color of the Digital scanned document.
What is a projector?
A projector is an optical device that takes the image data from the computer system and reproduce the image onto another surface like walls, White screen and large surface area etc. This is mostly used in the cinema hall to provide us a better experience of watching.
What is a printer?
This is an output device that is used for producing output on paper. A printer can do print both text and image. In the printer, all the data are sent from the computer to the printer, then the printer print the data which I send through the computer.
What is a joystick?
A joystick is a remote control device that is used for playing games to indicate the position on the screen. It has a stick that pivots on a base which is useful to control the moves in a game. A joystick is used for controlling machines, industrial robots, trucks, cranes, etc.
What is a monitor?
Monitor is one of the most popular output devices in a computer system. The main work of the monitor is to display the information to the user. It is also known as a video display terminal (VDT) or a video display unit (VDU).
What is output device?
An output device is any bit of computer equipment gear used to impart the aftereffects of information preparation completed by a data handling framework, (for example , a computer) to the outside world. In figuring, input and output allude to the correspondence between a data handling framework, (for example, a computer), and the outside world.
What is input and output?
Input and Output devices are required for clients to speak with the computer. In straight forward terms, input devices carry data into the computer, and output devices bring data out of a computer framework. These input/output devices are otherwise called peripherals since they encase the CPU and memory of a computer framework.
What is a portrayed device?
Portrayed is an input and output device for inputting or outputting information of electronic gear. The input and output devices are intended for being distinctly mounted to the electronic gear, in any event, two unique positions.
What is the difference between a mouthpiece and a webcam?
Mouthpiece – Receives sound created by an input source, and sends that sound to a computer. Webcam – Receives pictures produced by whatever it is pointed at (input) and sends those pictures to a computer.
Can input devices receive information from another device?
An input device can send information to another device, however, it can’t get information from another device. Instances of input devices incorporate the accompanying. Keyboard and Mouse – Accepts input from a client and sends that information (input) to the computer. They can’t acknowledge or imitate the data (output) from the computer.