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Q:

Magnetic Tape can serve as

A) Input device B) Secondary storage device
C) Output device D) None of the above
 
Answer & Explanation Answer: B) Secondary storage device

Explanation:

Related image

Magnetic tape can serve as a Secondary storage unit. It is a medium for magnetic recording, made of a thin, magnetizable coating on a long, narrow strip of plastic film.

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Filed Under: Computer
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Q:

How many years it takes for Pluto to Orbit the Sun?

A) 76 yrs B) 144 yrs
C) 198 yrs D) 248 yrs
 
Answer & Explanation Answer: D) 248 yrs

Explanation:

It takes 248 yrs for Pluto to orbit the Sun.

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Filed Under: General Science
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13 3500
Q:

What is 7 C in a R represents?

Answer

7 C in a R represents 7 Colours in a Rainbow.

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Q:

A man pointing to a lady says, “Her brother is the father of my only son's sister.” How is that lady related to the man ?

A) Daughter-in-law B) Sister
C) Niece D) Daughter
 
Answer & Explanation Answer: B) Sister

Explanation:

My only son's sister is my daughter
father of my daughter is me only
her brother means she is my 'sister'.

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Filed Under: Blood Relations
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Q:

Operating system functions may include

A) multiprogramming B) input/output control
C) virtual storage D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

An operating system has three main functions:

(1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers,

(2) establish a user interface, and

(3) execute and provide services for applications software.

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Q:

Ultimate strength to cement is provided by

A) Di-calcium silicate B) Tricalcium silicate
C) Tetra calcium alumino ferrite D) Tri-calcium aluminate
 
Answer & Explanation Answer: A) Di-calcium silicate

Explanation:
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Filed Under: Chemistry
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Q:

Which best describes the meaning of the term theorem?

A) A conclusion proved by deductive reasoning B) A statement explaining the meaning of a geometric term
C) A conjecture based on inductive reasoning D) A statement that is accepted as true without proof
 
Answer & Explanation Answer: A) A conclusion proved by deductive reasoning

Explanation:
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Q:

Sum of two numbers is 44. One number is 3 times as large as the other. What are the numbers?

A) 11 and 4 B) 3 and 11
C) 11 and 33 D) 40 and 4
 
Answer & Explanation Answer: C) 11 and 33

Explanation:

Let the smaller number be 'm'

Then, from the given data, the larger number is '3m'

Given that m + 3m = 44

=> 4m = 44

m = 44/4 = 11

=> m = 11

=> 3m = 3 x 11 = 33

 

Hence, the two numbers are 11 and 33.

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Filed Under: Problems on Numbers
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9 3494