| 1 |
Which of the following reasons increase the importance of computer? |
Speedy
Long time storage of memory
Quick decision
All of these
|
| 2 |
Which technology is used in mobile phone: |
Heat
Radio
Light
Laser
|
| 3 |
Which component is output device of computer? |
CPU
C.D
Keyboard
Monitor
|
| 4 |
Information storage devices work on the principles of |
Heat
Sound
Light
Magnetism
|
| 5 |
What is fitted in telephone receiver? |
Electromagnet
Diaphragm
Both a and b
None of these
|
| 6 |
A data storage device is. |
Printer
Hard disk
Monitor
CPU
|
| 7 |
An example of input device of computer is. |
Key board
Printer
Monitor
RAM
|
| 8 |
A device which has two way communication is: |
Television
Radio
Hard disk
Mobile phone.
|
| 9 |
CD which is made of soft material is called: |
Hard disk
Floppy disk
Iron disk
Copper disk
|
| 10 |
Hard disk is made of: |
Aluminium
Copper
Iron
Plastic
|
| 11 |
The data stored in C.D. is. |
680 MB
650 MB
700 MB
750 MB
|
| 12 |
Radio waves are: |
Electric waves
Electromagnetic waves
X-rays
Radio active ways.
|
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