Questions

Q:

What is an operating system?

Answer

 


An operating system is a program that acts as an intermediary between the user and the computer hardware. The purpose of an OS is to provide a convenient environment in which user can execute programs in a convenient and efficient manner. It is a resource allocator responsible for allocating system resources and a control program which controls the operation of the computer hardware.

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2 2068
Q:

Who has been elected as Rajyasabha Deputy Chairman in August 2018?

A) R. Venkaiah Naidu B) Harivansh singh
C) Niteesh Kumsr D) Hari Prasad
 
Answer & Explanation Answer: B) Harivansh singh

Explanation:

The Deputy Chairman of the Rajya Sabha presides over the proceedings of the Rajya Sabha in the absence of the Chairman of the Rajya Sabha. The Deputy Chairman is elected internally by the Rajya Sabha.

 

NDA's Harivansh Narayan Singh becomes Rajya Sabha Deputy Chairperson on the opponent Hari Prasad.

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Filed Under: Indian Politics
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4 2068
Q:

Which of these is an example of negative feedback?

A) After you eat, insulin stimulates the lowering of blood sugar levels. B) Once labor begins, contractions increase in frequency and intensity.
C) After you eat, glucagon stimulates an increase in blood sugar levels. D) As a blood clot begins to form, the process of its formation gets faster and faster.
 
Answer & Explanation Answer: A) After you eat, insulin stimulates the lowering of blood sugar levels.

Explanation:

Eating raises blood sugar levels, insulin stimulates the lowering of blood sugar level. In this example the response to the stimulus (increased blood sugar levels) opposes that stimulus (by lowering blood sugar levels).

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Filed Under: General Science
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0 2067
Q:

Ctrl+F in MS Word for

A) Re do B) to find the word
C) Select all D) Center text
 
Answer & Explanation Answer: B) to find the word

Explanation:

Ctrl + F is a shorcut keyword and it is used for searching the word you want in the large document in the M.S. Word.

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2 2067
Q:

VPN's are implemented to provide

A) A secure connection through public networks B) Additional security for selected computers
C) A secure connection within a private network D) Additional encryption by using IPSec
 
Answer & Explanation Answer: A) A secure connection through public networks

Explanation:

VPNs_are_implemented_to_provide1561554026.png image

 

VPN's are implemented to provide a secure connection through public networks. A virtual private network extends a private network across a public network, and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.

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Filed Under: Computer
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3 2067
Q:

Brownish film formed on iron when left in open is called?

A) Dust B) Shovel
C) Spade D) Rust
 
Answer & Explanation Answer: D) Rust

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

1 2067
Q:

Which cell feature is responsible for making proteins?

A) Chromosomes B) Nucleus
C) Ribosomes D) Cytoplasm
 
Answer & Explanation Answer: C) Ribosomes

Explanation:

Ribosomes comprise a complex macro molecular machine, found within all living cells, that serves as the site of biological protein synthesis. Ribosomes link amino acids together in the order specified by messenger RNA molecules.

 

which_cell_feature_is_responsible_for_making_proteins1558091245.jpg image

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Filed Under: Biology
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5 2067
Q:

A large underground economy results in an

A) Understated GDP price index B) Understated GDP
C) Overstated GDP D) Overstated GDP price index
 
Answer & Explanation Answer: C) Overstated GDP

Explanation:

A large underground economy results in an Overstated GDP. The underground economy is also called as Black market. It refers to illegal economic activity. Transactions in the underground economy are illegal either because the good or service being traded is illegal or because an otherwise licit transaction does not comply with government reporting requirements.

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Filed Under: Indian Economy
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2 2067