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Q:

What is the difference between Primary storage and secondary storage?

Answer

Main memory - only large storage media that the CPU can access directly.

Secondary storage - extension of main memory that provides large nonvolatile storage capacity.

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Subject: Operating Systems

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Q:

Night blindness is caused due to deficiency of

A) Vitamin A B) Vitamin B
C) Vitamin K D) Vitamin E
 
Answer & Explanation Answer: A) Vitamin A

Explanation:

It is due to the deficiency of Vitamin A. Retinol which is present in vitamin A. Its deficiency causes night blindness. It is available in carrots. 

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Choose the correctly spelt word:-

A) Intrensic B) Intrinsic
C) Entrensic D) Entrinsec
 
Answer & Explanation Answer: B) Intrinsic

Explanation:

Intrinsic is spelt correctly which means essential.

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Select the word with the correct spelling.

A) adendum B) atlantise
C) inovate D) abseiled
 
Answer & Explanation Answer: D) abseiled

Explanation:
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Filed Under: English
Exam Prep: AIEEE , Bank Exams , GRE

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Q:

REM sleep is also known as paradoxical sleep because

A) Measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving. B) The person can have night terrors during this stage but will not remember them in the morning. (E) Th e person's vital signs are very slow, but the person can get up and walk around
C) Measures of the brain activity closely resemble waking consciousness, but the person is in the deepest stage of sleep. D) The person's heart rate is slower than when awake, but the person can sleepwalk or sleep talk.
 
Answer & Explanation Answer: A) Measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving.

Explanation:

REM sleep i.e, Rapid Eye Movement sleep is also known as paradoxical sleep because the measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving as the brain is in fully active mode that time.

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Filed Under: Biology
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Q:

An enzyme speeds up a reaction by

A) raising the activation energy B) absorbing energy
C) lowering the activation energy D) None of the above
 
Answer & Explanation Answer: C) lowering the activation energy

Explanation:

An enzyme speeds up a reaction by lowering the activation energy which is done by catalysts to increase the rate.

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Filed Under: General Science
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Q:

Which year was declared as the National Mathematical Year as a tribute to Mathematician Srinivasa Ramanujan?

A) 2012 B) 2013
C) 2011 D) 2010
 
Answer & Explanation Answer: A) 2012

Explanation:

Dr Manmohan Singh also announced that the year 2012 would be celebrated as the National Mathematics Year. The Indian mathematical genius Srinivasa Ramanujan was born on 22 December 1887 and died on 26 April 1920.

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Filed Under: General Awareness
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Q:

India successfully launched Chandrayaan1 satellite in

A) 2008 B) 2006
C) 2010 D) 2013
 
Answer & Explanation Answer: A) 2008

Explanation:

India successfully launched Chandrayaan1 satellite from SDSC Sriharikota, Andhra Pradesh on 22 October, 2008.

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Filed Under: General Awareness
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