Q:

What are demand-paging and pre-paging?

Answer

With demand paging, a page is brought into memory only when a location on that page is actually referenced during execution. With pre-paging, pages other than the one demanded by a page fault are brought in. The selection of such pages is done based on common access patterns, especially for secondary memory devices.

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Subject: Operating Systems

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Q:

Which one among the following is the heaviest

A) 1 mole of water molecules	B) 1 mole of ammonia molecules
C) 1 mole of sodium atoms	D) 1 mole of hydrogen molecules

Answer & Explanation Answer: C) 1 mole of sodium atoms

Explanation:

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Filed Under: Chemistry

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Q:

The value of acceleration due to gravity (g) ____.

A) is greater at the poles than at the equator	B) is lesser at the poles than at the equator
C) is greater at the North pole than at the South pole	D) is greater at the South pole than at the North pole

Answer & Explanation Answer: A) is greater at the poles than at the equator

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which among the following noble gas has highest molar mass?

A) Kr	B) Ne
C) Ar	D) Xe

Answer & Explanation Answer: D) Xe

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Improve the bracketed part of the sentence.

I had (not only helped her by) giving hints but also with providing him links.

A) helped not only to her by.	B) helped her not only by
C) not only helped her	D) No improvement

Answer & Explanation Answer: B) helped her not only by

Explanation:

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Filed Under: English

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Q:

In HTML, ______________ is a set of links designed as buttons.

A) Header area	B) Menu bar
C) Body of the page	D) Footer area

Answer & Explanation Answer: B) Menu bar

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

The concept of biosphere reserve was evolved by

A) IUCN	B) UNESCO
C) Zoological Survey of India	D) Government of India

Answer & Explanation Answer: B) UNESCO

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Improve the bracketed part of the sentence.

(As soon after the players arrived) in decorated cars, the ceremony began with traditional African drummers and dancers blowing conch shells.

A) Soon after the players arrive	B) Soon after the players arrived
C) As soon as the players arrived after	D) No improvement

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