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 Computer Questions

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Q:

Assembly is a _______ based low-level language replacing binary machine-code instructions, which are very hard toremember, it is the classic and uncontroversial example of alow level language.

A) Memory B) High Level
C) Key D) Mnemonic
 
Answer & Explanation Answer: D) Mnemonic

Explanation:

Assembly language is mnemonic based low levellanguage. Mnemonics are short codes of assemblylanguage which chosen to remind the programmer ofthe instructions of binary machine-code which areapparently which are very hard to remember, writedown, or correct.

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Q:

A computer always has a

A) Mouse B) Keyboard
C) CPU D) Graphics card
 
Answer & Explanation Answer: C) CPU

Explanation:
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Q:

What is the difference between Save and Save As?

Answer

Use SAVE when you want to update the lastly preserved or to revise an existing document or file with the latest content.


Whereas


Use SAVE AS when you are creating a new document/file or an existing document/file to a new location. This will keep the original document untouched in its original format and create a new document with a new name.


 

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Q:

Which circuit is used to store one bit of data ?

A) Register B) Flip Flop
C) Vector D) Encoder
 
Answer & Explanation Answer: B) Flip Flop

Explanation:
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Q:

_____changes each time it is installed to avoid detection by antivirus software.

A) Polymorphic virus B) worm
C) logic bomb D) trojan horse
 
Answer & Explanation Answer: A) Polymorphic virus

Explanation:
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Q:

An example of Full Duplex communication channel.

A) Radio Broadcasting B) Television Broadcasting
C) Walkie-Talkie D) Telephone conversation
 
Answer & Explanation Answer: D) Telephone conversation

Explanation:
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Q:

CPU Scheduler is also known as _____ .

A) Job Scheduler B) Resource Scheduler
C) Short-­term Scheduler D) Process Scheduler
 
Answer & Explanation Answer: C) Short-­term Scheduler

Explanation:
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Q:

Backing storage is so named because it

A) is always kept at the back of the CPU B) backs up the computer
C) lags behind the main memory D) is slow and backward
 
Answer & Explanation Answer: B) backs up the computer

Explanation:
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