Output Devices
Category : 2nd Class
Output devices are the part of computer hardware equipment?s that are used to communicate the results of data processing carried out by an information processing system (such as a computer) to the outside world (such as a user). Output devices are the medium of communication between the computer and the user.
Using output devices, you can see results like pictures on the screen, sound or music, printed results on paper, etc. The common output devices are the monitor, speakers, headphones and printers.
These are the examples for Output Devices
Monitor
The monitor shows words, numbers, pictures and movies on the screen.
Speaker
The speakers play sound from the computer.
Plotter
The plotter is a computer printing device for printing graphics.
Headphones
The headphones help us to listen to music and sounds.
Printer
The printer helps us to print our work in the computer on paper. Printers are of different kinds such as daisy-wheel printers, laser printers and dot matrix printers. From the list of output devices given above, the monitor or VDU is the standard output device, without which the computer will not run. The other parts are optional and only provide additional features.
Computer performs many functions. The device which shows the result after the completion of work by computer is called _________device.
(A) Input
(B) Output
(C) Operations
(D) Processing
Answer: (B)
Explanation
Correct Option:
(B) Output device shows us the result after completion of work by the computer.
Incorrect Options:
(A) Input: Input device helps us in feeding the instruction
(C) Operating: System helps in operating the devices
(D) Processing: CPU helps in processing the data.
There are many storage devices that are kept away from the computer and inserted when required .Which one of the following is the storehouse available inside the system unit of a computer?
(A) Hard Disk
(B) Floppy Disk
(C) Compact Disk
(D) Pen Drive
Answer: (A)
Explanation
Correct Option
(A) Hard Disk is the storehouse available inside the system unit of a computer
Incorrect Options:
(B) Floppy Disk: is an outer storage device
(C) Compact Disk: is a storage device.
(D) Pen drive: Storage device.
Abbreviations
CPU - Central Processing Unit
VDU - Visual Display Unit
ALU - Arithmetic and Logic Unit
CU - Control Unit
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