Questions

Q:

What is mutex?

Answer

Mutex is a program object that allows multiple program threads to share the same resource, such as file access, but not simultaneously. When a program is started a mutex is created woth a unique name. After this stage, any thread that needs the resource must lock the mutex from other threads while it is using the resource. the mutex is set to unlock when the data is no longer needed or the routine is finished.

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Q:

How many Regional Commissions are established by the UN Economic and Social Council

A) 2 B) 3
C) 5 D) 1
 
Answer & Explanation Answer: C) 5

Explanation:
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Filed Under: World Organisations

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Q:

What is the world's least densely populated country?

Answer

Mongolia

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Subject: World Geography

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Q:

Read the passage carefully and select the best answer to each question out of the given four alternatives.

 

India’s title triumph in the Under-19 cricket World Cup at the Bay Oval in New Zealand seemed inevitable. Prithvi Shaw’s boys, astutely coached by Rahul Dravid, maintained an unbeaten record through their three-week sojourn. The rousing campaign commenced with a 100-run win against Australia on January 14; in subsequent games, Papua New Guinea, Zimbabwe, Bangladesh and Pakistan were all emphatically defeated. There were no big-game nerves and even in the much- hyped semifinal against Pakistan, India pocketed a facile 203-run victory. In the summit clash against Australia, Shaw’s boys followed their template of dominance.

Australia was bowled out for 216 and India cruised home in 38.5 overs with eight wickets to spare, and enjoyed the added lustre of opener Manjot Kalra’s unbeaten 101. Through the tournament India found diverse heroes. Fittingly, its batting troika of Shaw, Kalra and Shubman Gill, along with seamer Kamlesh Nagarkoti and spinner Anukul Roy, found a berth in the International Cricket Council’s Under-19 World Cup team, essentially a tribute to the best players on view in the championship. Cricketing excellence allied with the resultant celebrity status, especially during the teenage years, can be a double-edged sword and it helped that in the dressing room there was the calming presence of Dravid. As the ecstatic players leapt and photo-bombed after clinching the trophy, Dravid cut through the hype and said that this win should not be the team’s defining memory as each individual cricketer has much more to achieve in his career. Dravid has a point. India has won the Under-19 World Cup on four occasions, including the previous golden runs in 2000, 2008 and 2012. From among these champion sides, only a few graduated to the big stage. Yuvraj Singh and Virat Kohli came through the under-19 ranks and managed to carve a niche for themselves, but Unmukt Chand, who led the team to the Cup in 2012, and then featured in a soft drink advertisement besides writing a book, has been unable to make it to the Indian senior team.

 

Which one quality of Rahul Dravid is mentioned in the passage as a captain of U-19 Cricket team of India?

A) Calmness B) Dominate
C) Aggressiveness D) Sincerity
 
Answer & Explanation Answer: A) Calmness

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

For keeps

A) Himself B) Away
C) Forever D) Hid
 
Answer & Explanation Answer: C) Forever

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

The introduction of

A-­had ruled from the time man learned to cook food

B-­meant the end of firewood, which

C-­the kerosene stove also

A) CAB B) BCA
C) CBA D) BAC
 
Answer & Explanation Answer: B) BCA

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

For an ideal gas, which one of the following statements does not hold true?

A) The speed of all gas molecules is same B) The kinetic energies of all gas molecules are not same
C) The potential energy of the gas molecules is zero D) There is no interactive force between the molecules.
 
Answer & Explanation Answer: A) The speed of all gas molecules is same

Explanation:

In an ideal gas, at any particular time, different particles in the gas have different speeds and hence different kinetic energies. This assumption is reasonable because as the particles collide, we expect their speed to change. Even if initial speed of all the particles was same, the molecular collisions will disrupt this uniformity.Hence statement 1 is incorrect and 2 is correct.

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

3 functions of the nervous system?

Answer

The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body.


 


In vertebrates it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body.


 


The nervous system has three main functions:


* To collect sensory input from the body and external environment.


* To process and interpret the sensory input.


* To respond appropriately to the sensory input.

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Subject: General Science Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

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