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Q:

Explain fork() system call?

Answer

The `fork()’ used to create a new process from an existing process. The new process is called the child process, and the existing process is called the parent. We can tell which is which by checking the return value from `fork()’. The parent gets the child’s pid returned to him, but the child gets 0 returned to him.

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Subject: Operating Systems Exam Prep: GATE

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Q:

State funding of elections takes place in

A) Germany and Austria B) USA and Canada
C) France and Italy D) Britain and Switzerland
 
Answer & Explanation Answer: A) Germany and Austria

Explanation:
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Filed Under: World Geography
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Low voltage cables are meant for use up to

A) 3.3 kV B) 1.1kV
C) 11 kV D) 0.5 kV
 
Answer & Explanation Answer: B) 1.1kV

Explanation:

Low Voltage Cables are used to supply power for use up to 1.1 kV.

low_voltage_cables_are_meant_for_use_up_to1553167280.jpg image

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

4 7012
Q:

Onion Eating Festival is celebrated in which country ?

A) Sweden B) Thailand
C) New Delhi D) Spain
 
Answer & Explanation Answer: D) Spain

Explanation:

Sweden - Potato Festival

Thailand - Vegetarian Festival

New Delhi - International Mango Festival

Spain - Onion Eating Festival

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Filed Under: World Geography
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

21 7006
Q:

Aryabhatta was India's renowned

A) Poet B) Physicist
C) Mathmartician D) None of these
 
Answer & Explanation Answer: C) Mathmartician

Explanation:
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Filed Under: Famous Personalities

10 7005
Q:

Fish and other aquatic creatures can live inside a deep frozen pond because 

A) fish are cold-blooded animals B) ice is a bad conductor of heat
C) there will always be water just beneath the ice level D) they can adapt themselves to live in ice
 
Answer & Explanation Answer: C) there will always be water just beneath the ice level

Explanation:

Water has the maximum density at 4oC. So at this temperature, it sinks down to bottom and stays here. If it cools further, it will become less dense and move up. So while the upper layers can cool enough to form ice, the bottom layers remain as water at  4oC .  

Therefore, (C) is correct.

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Filed Under: Physics
Exam Prep: CAT , AIEEE
Job Role: Analyst

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Q:

 When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the:

A) first step. B) second step.
C) third step. D) fourth step.
 
Answer & Explanation Answer: C) third step.

Explanation:
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Filed Under: Database

2 7003
Q:

Which among the following planets is smaller than the Earth

A) Neptune B) Venus
C) Saturn D) Uranus
 
Answer & Explanation Answer: B) Venus

Explanation:
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Filed Under: World Geography

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