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Q:

Why paging is used?

Answer

Paging is solution to external fragmentation problem which is to permit the logical address space of a process to be noncontiguous, thus allowing a process to be allocating physical memory wherever the latter is available.

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Subject: Operating Systems

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Q:

What is a binary semaphore?

Answer

A binary semaphore is one, which takes only 0 and 1 as values. They are used to implement mutual exclusion and synchronize concurrent processes.


 

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Subject: Operating Systems

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Q:

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word

A)

Auixiliary

 B)

Auxiliary
C)

Auxiliarry

 D)

Auixliary
 
Answer & Explanation Answer: C)

Auxiliarry



Explanation:
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Filed Under: English
Exam Prep: Bank Exams , CAT , GRE , TOEFL
Job Role: Bank Clerk , Bank PO

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Q:

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence inPassive/Active Voice.

Some girls were helping the wounded men.

A) The wounded men were helping some girls. B) The wounded men were being helped by some girls.
C) The wounded men are being helped by some girls. D) The wounded men received help from some girls.
 
Answer & Explanation Answer: B) The wounded men were being helped by some girls.

Explanation:
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Filed Under: English

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Q:

In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo (lion), the terms Mangifera, Solanum and Panthera represent the higher level of?

A) Taxon B) Taxonomic Hierarchy
C) Specific Epithet D) Binomial Nomenclature
 
Answer & Explanation Answer: A) Taxon

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

Which element is not a part of a nitrogenous base?

A) Carbon B) Oxygen
C) Phosphorous D) Nitrogen
 
Answer & Explanation Answer: C) Phosphorous

Explanation:

A nitrogenous base is an element that contains nitrogen that have same chemical properties of the base.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

A change in which one or more new substances are formed is called _________.

A) Physical Change B) Chemical Change
C) Rusting D) Galvanisation
 
Answer & Explanation Answer: B) Chemical Change

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

In this section, each of the following sentences has a blank space and four words are given below it. select the word or group of words you consider most appropriate for the blank space and indicate your response on the Answer Sheet accordingly.

 

The consequences of economic growth have now __________ to the lowest level.

A) drawn B) slipped
C) percolated D) crept
 
Answer & Explanation Answer: B) slipped

Explanation:

Slipped means to move with a smooth sliding option. Option-a drawn means showing effects of tension, pain or illness, the consequence of growth cannot always be low, so we cannot choose crept. Crept means to go very slowly, percolated means passed through a medium, therefore only option-2 follows.

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Filed Under: English
Exam Prep: Bank Exams

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