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

4 12366

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

30 12363

Q:

Which one of the following propounded that ' destiny determines everything, man is powerless'

A) Jains	B) Buddhists
C) Ajivakas	D) Mimansakas

Answer & Explanation Answer: C) Ajivakas

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Filed Under: Indian History

19 12338

Q:

Rearrange the parts of the sentence in correct order.

The white American underclass is in thrall

P-and used heroin needles
Q-to a vicious, selfish culture
R-whose main products are misery

A) PQR	B) QRP
C) RPQ	D) RQP

Answer & Explanation Answer: B) QRP

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Filed Under: English
Exam Prep: Bank Exams

0 12329

Q:

Ethanol is converted into ethoxy ethane,

A) by heating excess of ethanol with conc. H2SO4 at 140°C	B) by treating with conc. H2SO4 at room temperature
C) by treating with conc. H2SO4 at 273 K	D) by heating Ethanol with excess of conc. H2SO4 at 443 K

Answer & Explanation Answer: A) by heating excess of ethanol with conc. H2SO4 at 140°C

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Filed Under: Chemistry
Exam Prep: AIEEE

34 12328

Q:

At which of its session, did the Congress officially accept the ' Socialistic Pattern of society '

A) Bombay Session of 1953	B) Avadi Session of 1955
C) Calcutta Session of 1957	D) Nagpur Session of 1959

Answer & Explanation Answer: B) Avadi Session of 1955

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Filed Under: Indian Politics

18 12307

Q:

How many moles are there in 140g of Si (atomic mass of silicon is 28)

A) 5	B) 10
C) 28	D) 140

Answer & Explanation Answer: A) 5

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Filed Under: Chemistry

43 12303

Q:

Which subatomic particle has a positive charge?

A) Proton	B) Neutron
C) Electron	D) Ion

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