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Q:

The depth of a complete binary tree is given by

A) Dn = log 2 (n+1) B) Dn = log 1/2 (n+1)
C) Dn = log (n+1) D) Dn = log 2 (n-1)
 
Answer & Explanation Answer: A) Dn = log 2 (n+1)

Explanation:

A complete binary tree is a binary tree where all the levels have maximum number of nodes except possibly the last level.

 

The depth of complete binary tree of n nodes will be Dn=log 2 (n+1) where Dn is the height or depth of the tree and n is the number of nodes.

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Q:

The two  types of output devices are

A) Monitor and Printer B) Floppy disc and CD
C) Keyboard and Mouse D) None of these
 
Answer & Explanation Answer: A) Monitor and Printer

Explanation:
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Q:

Which of the following memories needs refresh ?

A) DRAM B) ROM
C) SRAM D) All of the above
 
Answer & Explanation Answer: A) DRAM

Explanation:
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Q:

What Does BIOS Stand For

A) Backup Input Output System B) Battery Integrated Operating Setup
C) Basic Input Output System D) Better Integrated Operating System
 
Answer & Explanation Answer: C) Basic Input Output System

Explanation:

BIOS in computers stands for Basic Input Output System.

 

BIOS is a set of computer instructions in firmware which control input and output operations.

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Q:

Unsolicited e-mail is called a ______

A) Newsgroup B) Usenet
C) Backbane D) Spam
 
Answer & Explanation Answer: D) Spam

Explanation:
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Q:

Find the "odd one out".

A) Linux B) Windows 98
C) C++ D) Windows 7
 
Answer & Explanation Answer: C) C++

Explanation:
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Q:

Storage and memory differ with respect to which of the following characteristics?

A) Price B) Reliability
C) Speed D) All of these
 
Answer & Explanation Answer: D) All of these

Explanation:
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Q:

The command used to remove text or graphics from a document. The information is then stored on a clipboard so you can paste it.

A) cut B) Chop
C) Cart away D) Clip
 
Answer & Explanation Answer: A) cut

Explanation:
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