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 Computer Questions

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Q:

The ..... key and the ..... key can be used in combination with other keys to perform shortcuts and special tasks

A) Control, Alt B) Function, Toggle
C) Caps lock,Num lock D) None of these
 
Answer & Explanation Answer: A) Control, Alt

Explanation:
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Q:

The KeyPress event will capture pressing the key

A) control. B) A.
C) Both a and b. D) shift.
 
Answer & Explanation Answer: B) A.

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Q:

The unit MIPS is used to measure the speed of a___.

A) Disk drive B) Tape drive
C) Printer D) Processor
 
Answer & Explanation Answer: D) Processor

Explanation:

MIPS refers millions instruction per sec and is used to measure the speed of Processor.

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Q:

A removable magnetic disc that holds information ______

A) Floppy disk B) Hard drive
C) Monitor D) Portable
 
Answer & Explanation Answer: A) Floppy disk

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Q:

The primary purpose of an operating system is ?

A) To allow people to use the computer B) To make computers easier to use
C) To keep systems programmers employed D) To make the most efficient use of the computer hardware
 
Answer & Explanation Answer: D) To make the most efficient use of the computer hardware

Explanation:

The primary purpose of an operating system is to make the most efficient use of the computer hardware.

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Q:

Which operation is not performed by computer?

A) Understanding B) Controlling
C) Processing D) Inputting
 
Answer & Explanation Answer: A) Understanding

Explanation:

A computer can perform inputting, processing and cotrolling but it can't perform understanding as it is has no brain. It can't earn from its previous experiances.

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Q:

Microprocessors as switching devices are for which generation computers?

A) Fourth generation B) Third generation
C) Second generation D) First generation
 
Answer & Explanation Answer: A) Fourth generation

Explanation:

Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors.

 

Microprocessors further revolutionized the development of computers.

 

The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.

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Q:

_______ uses laser technology to store large amount of information

A) Floppy disk B) CD-ROM
C) Hard disk D) ED-ROM
 
Answer & Explanation Answer: B) CD-ROM

Explanation:
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