Questions

Q:

The primary purpose of an operating system is ?

A) To allow people to use the computer B) To make computers easier to use
C) To keep systems programmers employed D) To make the most efficient use of the computer hardware
 
Answer & Explanation Answer: D) To make the most efficient use of the computer hardware

Explanation:

The primary purpose of an operating system is to make the most efficient use of the computer hardware.

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Q:

The ..... key and the ..... key can be used in combination with other keys to perform shortcuts and special tasks

A) Control, Alt B) Function, Toggle
C) Caps lock,Num lock D) None of these
 
Answer & Explanation Answer: A) Control, Alt

Explanation:
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Q:

Which Of The Following Statements Is Most Accurate For The Declaration X = Circle()?

A) x contains a reference to a Circle object B) You can assign an int value to x
C) x contains an object of the Circle type D) x contains an int value
 
Answer & Explanation Answer: A) x contains a reference to a Circle object

Explanation:
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Q:

Something which has easily-understood instructions is said to be___

A) Analog data B) Digital data
C) Modem data D) Watts data
 
Answer & Explanation Answer: A) Analog data

Explanation:
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Q:

Who called Subhash Chandra Bose as Desh Nayak?

A) Rabindranath Tagore B) Mahatma Gandhi
C) Bal Gangadhar Tilak D) Lala Lajpat Rai
 
Answer & Explanation Answer: A) Rabindranath Tagore

Explanation:

Rabindranath Tagore called Subhash Chandra Bose as Desh Nayak for the first time.

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Q:

Underground water and the water on the earth's surface is called ________________

 

A) hydrosphere B) biosphere
C) lithosphere D) thermosphere
 
Answer & Explanation Answer: A) hydrosphere

Explanation:
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Q:

The literal meaning of the word Arya is

A) Superior B) Learned
C) Priest D) Warrior
 
Answer & Explanation Answer: A) Superior

Explanation:
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Q:

A cube of edge 15 cm is immersed completely in a rectangular vessel containing water . If the dimensions of the base of vessel are 20 cm x 15 cm, find the rise in water level

 

A) 11.25cm B) 11.56cm
C) 11.66cm D) 10.86cm
 
Answer & Explanation Answer: A) 11.25cm

Explanation:

Increase in volume = Volume of the cube = (15 x 15 x 15) cm3.

 

\Rise in water level = volume/area = (15 x 15 x 15)/(20 x 15) cm = 11.25 cm.

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