Functional Component of Computer :-
Input : The input unit is responsible for receiving input from the user for further processing it.
Some input devices are Mouse, Keyboard, Joystick, Web Cam, Microphone etc.
Processing : The processing unit like C.P.U is responsible for doing process under set of instructions it is also responsible for controlling processes.
Functional component of CPU
ALU (Arithmetic and logic unit) :- It control Arithmetic and logic Operations.
CU (control unit) :- It control the flow of information & data between CPU and other part of computer.
Memory Unit :- It is the space in which the information stored temporarily in CPU.
Output : The output unit is responsible for giving output to the user.
Some output devices are Monitor, Printer, Projector, Speaker, Plotter.
Input Devices :-
The input device takes input i.e. data and instruction from the user to further process. Some of the examples are…
Keyboard is typewriter like device which is used to type in the letters, digits and Commands . A keyboard contain a matrix of switches.
Mouse is a pointing device with a roller on its base. Mouse control movement of pointer on the screen.
A Mic convert the sound receive into computer’s format, which is called digitized sound or Digital audio from user to computer.
A Webcam is a video camera that streams its image in real time it convert video signal into computer format.
A joystick is a device consisting of a stick on its base and which reports its direction to the device it is controlling, it is often used to control video games.
Output Devices :-
The output devices
is responsible for producing the output for user to a user readable format after processing input. Some of the examples are…
It displays information in a similar way to that shown on a television screen. The picture on a monitor is made up of thousands of tiny coloured dots card pixels.
A printer is a device that accepts text and graphic output from a computer and transfers the information to the paper.
Speaker receives the sound in form of electric current from the sound card and then convert it to the sound format.
A device that projects computer output in a white or silver fabric screen that is a wall, ceiling or tripod mounted. It is widely used in classrooms and auditoriums.
A plotter is a computer printer for printing vector graphics. A plotter gives a hard copy of the output received from the computer.