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Q:

The silicon chips used for data processing are called

A) ROM chips B) PROM chips
C) RAM chips D) Micro processor
 
Answer & Explanation Answer: D) Micro processor

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Q:

What is the name of a memory buffer used to accommodate a speed differential ?

A) Cache B) Stack Pointer
C) Accumulator D) DISC
 
Answer & Explanation Answer: A) Cache

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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

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Q:

The following are components of a database except ________ .

A) indexes B) user data
C) metadata D) reports
 
Answer & Explanation Answer: D) reports

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Q:

Which among the following is a term representing unit ofdata storage in computer memory?

A) Pixel B) Decimal
C) Octet D) Point
 
Answer & Explanation Answer: C) Octet

Explanation:

Octet is another name for a byte=8bits

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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:

Sending a frame to a group of stations is known as __________

A) Single casting B) Spreading
C) Multicasting D) Casting
 
Answer & Explanation Answer: C) Multicasting

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Q:

Commonly used abbreviation ISP in computer science stands for?

A) Internet Service Provider B) Intranet Service Provider
C) Internet Systems Provider D) Intranet Systems Provider
 
Answer & Explanation Answer: A) Internet Service Provider

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