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Q:

Explain the popular multiprocessor thread-scheduling strategies.

Answer

  1. Load Sharing: Processes are not assigned to a particular processor. A global queue of threads is maintained. Each processor, when idle, selects a thread from this queue. Note that load balancing refers to a scheme where work is allocated to processors on a more permanent basis.

  2. Gang Scheduling: A set of related threads is scheduled to run on a set of processors at the same time, on a 1-to-1 basis. Closely related threads / processes may be scheduled this way to reduce synchronization blocking, and minimize process switching. Group scheduling predated this strategy.

  3. Dedicated processor assignment: Provides implicit scheduling defined by assignment of threads to processors. For the duration of program execution, each program is allocated a set of processors equal in number to the number of threads in the program. Processors are chosen from the available pool.

  4. Dynamic scheduling: The number of thread in a program can be altered during the course of execution.

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Subject: Operating Systems

9 8782
Q:

In which one of the following islands of India is an active volcano found?

A) Car Nicobar Island B) Nancowry Island
C) Barren Island D) Maya Bunder Island
 
Answer & Explanation Answer: C) Barren Island

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Filed Under: Indian Geography

24 8776
Q:

Generally unemployment in a developing country takes place because of ___________.

 

A) lack of complementary factors of production B) seasonal factors
C) lack of effective demand D) switch over from one job to another
 
Answer & Explanation Answer: A) lack of complementary factors of production

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Filed Under: Indian Economy
Exam Prep: Bank Exams

1 8775
Q:

Complete the following sentence with the most appropriate option.

 

An office always has a /an ___.

 

A) Roof B) Kitchen
C) Authority D) Car
 
Answer & Explanation Answer: C) Authority

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Filed Under: English
Exam Prep: Bank Exams

1 8769
Q:

Rearrange the parts of the sentence in correct order

 

Taken together, this

P-­gives a total global
Q­-stockpile of almost 1,900 tons of
R­-nuclear weapons­usable material

 

A) QRP B) PQR
C) RPQ D) QPR
 
Answer & Explanation Answer: B) PQR

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Filed Under: English
Exam Prep: Bank Exams

1 8768
Q:

Fill in the blank with the most appropriate option.

 

18 volts = ___ x 3 ohms

 

A) 6 amperes B) 6 watts
C) 6 milliamperes D) 6 joules
 
Answer & Explanation Answer: A) 6 amperes

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

0 8757
Q:

Read the following information and answer the questions given below:

A has 28 elements, B has 32 elements and A U B has 40 elements.

How many elements does A ∩ B have?

A) 12 B) 8
C) 10 D) 20
 
Answer & Explanation Answer: D) 20

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 8757
Q:

The most important cause for the outbreak of the Ghaddar revolution was the

A) Commencement of World War I B) Hanging of Kartar Singh Sarabha
C) Kamagato Maru Incident D) Arrest of Lala Hardayal
 
Answer & Explanation Answer: C) Kamagato Maru Incident

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Filed Under: Indian History

12 8757