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Q:

How many jobs can be run concurrently on MVT?

Answer

15 jobs.

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Subject: Operating Systems

Q:

If a card is drawn at random from a pack of 52 cards,what is the chance of getting a spade or ace?

A) 0.25 B) 5/13
C) 0.20 D) 4/13
 
Answer & Explanation Answer: D) 4/13

Explanation:

Number of spades in a standard deck of cards=13
Number of aces in a standard deck of cards=4
And,one of the aces is a spade.
So, 13 + 4 - 1 = 16 spades or aces to choose from.
Therfore,probabiltiy of getting a spade or an ace=16/52=4/13

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Filed Under: Probability

Q:

What is process spawning?

Answer

When the OS at the explicit request of another process creates a process, this action is called process spawning.

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Subject: Operating Systems

Q:

What is a drawback of MVT?

Answer

It does not have the features like



  1. ability to support multiple processors

  2. virtual storage

  3. source level debugging

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Subject: Operating Systems

Q:

Is Windows NT a full blown object oriented operating system? Give reasons.

Answer

No Windows NT is not so, because its not implemented in object oriented language and the data structures reside within one executive component and are not represented as objects and it does not support object oriented capabilities.

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Subject: Operating Systems

Q:

What are the key object oriented concepts used by Windows NT?

Answer

Encapsulation, Object class and instance.

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Subject: Operating Systems

Q:

What is SMP?

Answer

To achieve maximum efficiency and reliability a mode of operation known as symmetric multiprocessing is used. In essence, with SMP any process or threads can be assigned to any processor.

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Subject: Operating Systems

Q:

What are the four layers that Windows NT have in order to achieve independence?

Answer

1.Hardware abstraction layer


2.Kernel


3.Subsystems


4.System Services.

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Subject: Operating Systems