What are the input and output devices of a computer?
The functioning of a computer system is based on the combined usage of both input and output devices. Using an input device we can give instructions to the computer to perform an action and the device reverts to our action through an output device. In this article, we shall discuss the various input and output devices which can be connected to a computer, along with their …
What is the difference between I/O devices and input devices?
An input device is connected to a computer that sends out data into the computer, while an output device is connected to a computer that receives incoming data. The data that is sent by the input device to the computer for processing is reproduced or displayed by the output device. While most devices are only either input device or output device, some can accept input and …
What is the difference between an input and output drive?
20/07/2021 · Input and Output Devices: Types, Examples and Uses Input Unit. This part of the computer encapsulates devices with the help of which the user feeds data to the computer. Output Unit. This part of the computer encapsulates devices with the help of which the user receives the information... Input ...
Is a printer an input or output device?
12/05/2021 · OUTPUT Devices a) Monitor. Monitor is one of the most popular output devices in a computer system. The main work of the monitor is to... b) Printer. This is an output device that is used for producing output on paper. A printer can do print both text and... c) Speaker. Speakers are also a popular ...
What is input and output devices explain with examples?
There are many input devices such as a keyboard, mouse, webcam, microphone and more, which send information to a computer system for processing. An output device, like Monitor, printer and more, displays the result of processing generated by input devices.
What are input and output devices?
An input device is something you connect to a computer that sends information into the computer. An output device is something you connect to a computer that has information sent to it.
What are outputs?
An output is what is created at the end of a process. Your outputs might be training classes offered, people served, and grants funded. Outputs tell the story of what you produced or your organization's activities.02-Feb-2014
What is input device with example?
In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.
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 are the characteristics of impact printers?
Characters are printed on the ribbon, which is subsequently crushed against the paper, in impact printers. The following are the characteristics of impact printers: 1 Exceptionally low consumable cost. 2 Quite noisy 3 Because of its low cost, it is ideal for large-scale printing. 4 To create an image, there is physical contact with the paper.
Why does my cursor stop?
The cursor will stop if you let go of the mouse. The computer is dependent on you to move the mouse; it won’t move by itself. As a result, it’s an input device. A mouse is an input device that lets you move the mouse on a flat surface to control the coordinates and movement of the on-screen cursor/pointer.
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:
Is a webcam an input device?
Because it records a video image of the scene in front of it, a webcam is an input device. It is either built inside the computer (for example, a laptop) or attached through a USB connection . A webcam is a computer-connected tiny digital video camera.
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.
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 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 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 joystick controller?
The spherical ball connected at the circuit having sensors moves in a socket. The joystick controller can be traversed in all directions. The functionality of the joystick is just like a mouse. Its applications are generally in Computer-Aided Designing (CAD) and playing computer games.
What is a track ball?
Track Ball. The trackball is another type of input device similar to the mouse. It is most helpful with a notebook or laptop computer, instead of a mouse. It consists of a ball on the top which is half inserted and connected to the sensors. By moving fingers on the ball, the cursor can be moved.
What is webcam?
A Webcam is a camera that is combined with a computer. Unlike a digital camera, they cannot function independently and should be connected to the computer/laptop for operation. It functions as an input device that can take pictures, and is mostly used for video streaming and video conferencing or chatting.
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 a monitor?
Monitors. Monitors or Visual Display Unit (VDU), are the primary output devices of a computer system. It generates images from tiny dots, termed pixels that are arranged in a well-defined rectangular form. The depth and sharpness of the image depends upon the number and size of the pixels.
Why is it called a hard copy?
It gives you a printed result of what is displayed on the monitor. The output received from the printer is called hard copy because you can retain it even after you turn off the computer or are no longer working on it.
What are the devices that can be used to process data?
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.
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 ...
How many characters does a character printer print?
Character printer is slow in comparison to the other two printers. It prints around 30 to 600 characters per second. The example of the character printer is a dot-matrix printer. Dot-matrix printer works like a typewriter.
What is a line printer?
Line printer. This is one of the fast printer and prints one line at a time. Generally, it is used when a large amount of output is required. Few of the examples of line printer are drum printer and chain printer.
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.
Why is it important to take processed data from the processor and send it back to the user?
It takes the processed data from the processor and sends it back to the user. It helps the computer is accepting the data. It helps the computer is displaying the data. The design of input devices are more complex. The design of output devices are less complex.
What is the difference between input and output?
Difference between Input and Output devices. Input devices are the component of the computer system that accepts incoming data and instructions and converts them into a pattern of electrical signals in binary code that is understandable to a digital computer. Output devices are the component of computer system that converts ...
What is an output device?
Output devices are the component of computer system that converts the digitized signals into a form understandable to the user. The output devices are generally known as reverse of input devices. Output devices also send data from one computer system to another. example: Monitor, printer etc.
What is the device that reads data and converts it to a form that a computer can use?
Input and Output Devices of Computer. The devices which are used to input the data and the programs in the computer are known as “Input Devices“. or Input device can read data and convert them to a form that a computer can use.
How do I input data and instructions on a computer?
The data and instructions are input by typing on the keyboard. The message typed on the keyboard reaches the memory unit of a computer. It’s connected to a computer via a cable. Apart from alphabet and numeral keys, it has other function keys for performing different functions. (2) Mouse : It’s a pointing device.
What is the ball on a mouse?
Most of the mouse’s have a ball beneath them, which rotates when the mouse in moved. The ball has 2 wheels of the sides, which in turn mousse with the movement of the ball. The sensor notifies the speed of its movements to the computer, which in turn moves the cursor/pointer on the screen. (3) Scanner : Scanners are used to enter information ...
How does a micro phone work?
A micro phone is used to convert human speech into electric signals. The signal pattern is then transmitted to a computer when it’s compared to a dictionary of patterns that have been previously placed in a storage unit of computer. When a close match is found, the word is recognized.