Q:

What are local and global page replacements?

Answer

Local replacement means that an incoming page is brought in only to the relevant process address space. Global replacement policy allows any page frame from any process to be replaced. The latter is applicable to variable partitions model only.

Workspace

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Subject: Operating Systems

4 7834

Q:

The world famous Ajanta caves are situated in

A) Orissa	B) Karnataka
C) Maharashtra	D) Madhya Pradesh

Answer & Explanation Answer: C) Maharashtra

Explanation:

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Filed Under: Famous Places

28 7831

Q:

The master plan of National Capital Region was approved in

A) 1959	B) 1962
C) 1981	D) 1996

Answer & Explanation Answer: B) 1962

Explanation:

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Filed Under: Indian Politics

7 7829

Q:

The fundamental rights of Indian citizens can be suspended by the

A) Supreme Court of India	B) Union Parliament
C) President of India	D) None of these

Answer & Explanation Answer: C) President of India

Explanation:

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Filed Under: Indian Politics

21 7829

Q:

What is one benefit of lifelong physical activity?

A) high blood pressure	B) increase in healthy eating habits
C) high physiological age	D) prevention of weight gain

Answer & Explanation Answer: C) high physiological age

Explanation:

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

12 7827

Q:

An object at rest may have

A) Momentum	B) Potential energy
C) Velocity	D) Kinetic energy

Answer & Explanation Answer: B) Potential energy

Explanation:

An object at rest may have Potential energy.

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

14 7824

Q:

Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

A) K1k2/k1+k2	B) 2k1k2/k1+k2
C) K1+k2/k1k2	D) None

Answer & Explanation Answer: B) 2k1k2/k1+k2

Explanation:

We know that,

The equivalent K = $\frac{L 1 + L 2}{\frac{L 1}{K 1} + \frac{L 2}{K 2}}$

where L1 & L2 are plate1 & Plate2 thicknesses, K1 & K2 are coefficient thermal conductivity of plate1 & Plate2 respectively.

But here L1 = L2 = L (say)

Then K = L+L/(L/K1 + L/K2) = $\frac{2 K 1 K 2}{K 1 + K 2}$

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Filed Under: Physics
Exam Prep: GATE , Bank Exams , AIEEE
Job Role: Network Engineer

12 7821

Q:

Which of the following crop is known as Green Gold?

A) Coffee	B) Neem
C) Tea	D) Rice

Answer & Explanation Answer: C) Tea

Explanation:

Tea crop is known as Green Gold.

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Exam Prep: AIEEE , Bank Exams , CAT
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11 7821

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