Parts Of A Computer General Knowledge MCQS Notes
The computer is composed of two parts:
All physical components of computer, which can be touched, measured, have weight and occupy space, are collectively called computer hardware viz;
iii) Joy stick
vii) Central Processing unit etc.
Software can be defined as a set of instructions or codes written in a defined manner. In other words softwares are prewritten programs, which control the operations of computer.
All programs and data stored on floppy disk, Hard disk, CD-ROM are collectively called softwares. Examples are;
vii) MS Office
Devices OR Components Of A Computer:
The computer is a combination of many parts, each of which performs specific task independently. The major devices of a computer are as under.
1) Input Devices
The input devices are those devices which send data or information to the Central Processing Unit. The main input devices are:
i) KEYBORD: It is used to enter text. It contains alphabetic, numeric and other keys for entering data.
ii) MOUSE:It is a pointing device. It controls the pointer on the screen.
iii) MICROPHON: It is used to enter voice into the computer.
iv) SCANNER: It reads printed text and graphics and then translates the result into digital form.
v) DIGITAL CAMERA:It is used to take photos.
vi) PC CAMERA: It is used to create movie and to take photos on the computer.
2) OUT PUT DEVICES:
A hardware component used to display information to the user output device.
i) MONITER: It is used to display text, graphics and video output.
ii) PRINTER: It is used to display printed output on paper.
iii) SPEAKER:It is used to hear sound to hear sound music and voice outputs.
3) STORAGE DEVICE:
The hardware components used to store data, instructions and information permanently are called storage devices. For example floppy disk drive, zip drive, hard disk drive, CD-ROM drives etc.
4) COMMUNICATION DEVICES:
It is used to communicate and exchange data, instructions and information with other computers. For example Modem.