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Q:

How are the wait/signal operations for monitor different from those for semaphores?

Answer

If a process in a monitor signal and no task is waiting on the condition variable, the signal is lost. So this allows easier program design. Whereas in semaphores, every operation affects the value of the semaphore, so the wait and signal operations should be perfectly balanced in the program.

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Subject: Operating Systems

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Q:

In recombinant DNA methods, the term vector can refer to

A) the sticky end of a DNA fragment B) a plasmid used to transfer DNA into a living cell
C) a DNA probe used to identify a particular gene D) the enzyme that cuts DNA into restriction fragments
 
Answer & Explanation Answer: B) a plasmid used to transfer DNA into a living cell

Explanation:

The term 'Vector' in recombinant DNA methods, refers to a plasmid or other agent used to transfer DNA into a living cell.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

The Cholas were the only known rulers in the history of india to have undertaken successful overseas naval expeditions. Who of the following Chola rulers successfully invaded Laccadives, Maldives, Sri Lanka and Sumatra?

A) Parantaka - I B) Rajaraja - I
C) Rajendra - I D) Both (b) and (c)
 
Answer & Explanation Answer: C) Rajendra - I

Explanation:
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Filed Under: Indian History

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Q:

Which of the following nations in India sub-continent generates about 5000 mw electricity the excesss of which would be imported by india?

A) Nepal B) Bhutan
C) Bangladesh D) Myanmar
 
Answer & Explanation Answer: B) Bhutan

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams
Job Role: Bank PO

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Q:

Who said that " Man is a political animal" ?

A) Aristotle B) Karl Marx
C) Lenin D) Plato
 
Answer & Explanation Answer: A) Aristotle

Explanation:
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Filed Under: World History

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Q:

What are the particles emitted by radio active element after 3 consequtive disintegrations?

A) 2 alpha 1 beta B) 1 alpha 1 beta
C) 2 beta 1 alpha D) 2 beta 2 alpha
 
Answer & Explanation Answer: C) 2 beta 1 alpha

Explanation:
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Filed Under: Physics

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Q:

 A composite attribute is which of the following?

A) An attribute that can be broken into components B) An attribute that cannot be broken into components
C) Multiple attributes D) An identifier
 
Answer & Explanation Answer: A) An attribute that can be broken into components

Explanation:
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Filed Under: Database

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Q:

A fixture is defined as a device which

A) is used to check the accuracy of workpiece B) holds and locates a workpiece and guides and controls one or more cutting tools
C) holds and locates a workpiece during an inspection or for a manufacturing operation D) All of the above
 
Answer & Explanation Answer: B) holds and locates a workpiece and guides and controls one or more cutting tools

Explanation:

A_fixture_is_defined_as_a_device_which1551357222.jpg image

A fixture is defined as a device which holds and locates a workpiece and guides and controls one or more cutting tools.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
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