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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:

___________ is an object model language standard.

A) Data definition language B) Query language
C) Data manipulation language D) OQL
 
Answer & Explanation Answer: D) OQL

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Q:

On the basis of memory size & performance, which type of computer is known as "Big Iron"?

A) Micro computer B) Mini computer
C) Main Frame D) Supercomputer
 
Answer & Explanation Answer: C) Main Frame

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Q:

Which algorithm is used to decide the path to transfer the packets from source to destination?

A) Routing B) Pathing
C) Selecting D) Directing
 
Answer & Explanation Answer: A) Routing

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Q:

Full form of BIOS is

A) Binary Interchange Operation System B) Basic Input Output System
C) Beginner's Input Operation Symbol D) Basic Interface Oriented Service
 
Answer & Explanation Answer: B) Basic Input Output System

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Q:

UDP is a

A) connection ­ oriented protocol B) connectionless protocol
C) user-­defined protocol D) security protocol
 
Answer & Explanation Answer: B) connectionless protocol

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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:

In Microsoft Word, ____________ can be used to decide on the spacing between lines of a paragraph.

A) Alignment B) Effects
C) Indentation D) Line spacing
 
Answer & Explanation Answer: D) Line spacing

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