In: Computer Science
What is computer list some input and output devices of compueter.
computer is a programmable digital electronic device which can accept data as input from the user processess the data and provides the desired output i.e information to the user.
computer performs five basic functions which are as listed below
Input:Information or data that is entered into a computer is calle input.The input section sends data and instructions to the central processing unit of computer
Processing: Sequence of actions taken on data to convert it into information which is meaning to user.It can be comparisions, calculations or decisions taken by the computer.
output: It makes processed data available to the user,it is mainly used to display the desired result to the user as per input instructions
storage: It stores data and programs permanently.It is used to store information during the time of program execution and possible to get any type of information from it.
controlling: controlling of all the above functions of computer is controlled by controlling section.
Input devices are those devices which can accept data as input from the user,while ouput devices are those devices which which sends the proceesesd data to the user.
There are some input and output devices of the user as listed below.
input devices output devices
keyboard Monitor
Mouse Speaker
Trackball Printer
Joystick Plotter
Light pen Projector
Touch screen etc
Barcode Reader
Optical Mark reader
Optical character recognition
Magnetic ink character reader
Biometric sensor
Scanner
Microphone
webcam
etc
Touch sceen acts as both input and output device
computer is also known as data processor.
computer is not an intelligent device.