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Q:

What is meant by a dedicated computer?

A) Which is assigned one and only one task B) Which is meant for application software
C) Which is used by one person only D) Which uses one kind of software
 
Answer & Explanation Answer: A) Which is assigned one and only one task

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Q:

Which of the following statement is true?

A) A Primary key is also a candidate key B) Each relation has at least one foreign key
C) Foreign keys can't have null values D) A Primary key is also an alternate key
 
Answer & Explanation Answer: A) A Primary key is also a candidate key

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Q:

Identify the positive impact of internet in life.

A) Cyber-crimes are on the increase B) Users suffer from internet addiction disorder
C) Best source of knowledge through a click D) Leads to less physical activity and poor eye sight
 
Answer & Explanation Answer: C) Best source of knowledge through a click

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Q:

The process when the computer is switched on and the operating system gets loaded from hard disk to main memory is called

A) Booting B) Fetching
C) Processing D) Multi-Processing
 
Answer & Explanation Answer: A) Booting

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Q:

Multitasking system specifically refers to

A) More than one user B) More than one process
C) More than one hardware D) More than one IP address
 
Answer & Explanation Answer: B) More than one process

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Q:

In HTML, _______________ attribute is used for merging of two or more adjacent rows.

A) CELLPADDING B) CELLSPACING
C) ROWSPAN D) COLSPAN
 
Answer & Explanation Answer: C) ROWSPAN

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Q:

A serial port can

A) only transfer information from a hard drive B) only transfer information to a hard drive
C) transfer information both to and from a hard drive D) neither transfer information from nor to a hard drive
 
Answer & Explanation Answer: C) transfer information both to and from a hard drive

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Q:

The designers of the Internet Protocol defined an IP address as a ____­bit number.

A) 8 B) 16
C) 32 D) 64
 
Answer & Explanation Answer: C) 32

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