Questions

Q:

What are the various components of a computer system?

Answer

1.The hardware


2.The operating system


3.The application programs


4.The users.

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1 2064
Q:

Heat energy is transferred by conduction whenever molecules

A) collide each other B) means of photons
C) particles replaces there places D) All of the above
 
Answer & Explanation Answer: A) collide each other

Explanation:

Heat energy can be transferred by three major methods. They are 

 

1. Conduction,

2. Convection and

3. Radiation.

 

Conduction is the movement of heat through a substance by the collision of molecules

Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy.

Radiation is the transfer of energy by means of photons in electromagnetic waves governed by the same laws. It occurs through a vacuum or any transparent medium.

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Filed Under: Physics
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1 2063
Q:

Why is secondary storage needed?

A) no need of power supply B) large storage capacity
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Secondary storage therefore needed because it is non-volatile, meaning it retains its contents without the need for a power supply. It also has the large storage capacity needed to store the operating system and all the programs and files needed by a modern computer system.

secondary_storage1532340725.jpg image

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Filed Under: Computer
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0 2063
Q:

Computers use the _ language to process data.

A) Kilobyte B) Binary
C) Representation D) Processing
 
Answer & Explanation Answer: B) Binary

Explanation:

All the data in a computer system consists of binary information. 'Binary' means there are only 2 possible values: 0 and 1.

Computer software translates the information you actually give on it such as decimal numbers, text, photos, sound, and video to the binary information.

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Filed Under: Computer
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5 2063
Q:

The thyroid hormone that regulates carbohydrate metabolism is

A) Parathyroid B) Thyroxin
C) Parathormone D) Estrogen
 
Answer & Explanation Answer: B) Thyroxin

Explanation:

Thyroxin or Thyroxine is the thyroid hormone that regulates carbohydrate metabolism in the human body.

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Filed Under: Biology
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1 2063
Q:

Glycolysis is the conversion of

A) Glucose to pyruvate B) Glucose to proteins
C) Pyruvate to glucose D) All of the above
 
Answer & Explanation Answer: A) Glucose to pyruvate

Explanation:

Glycolysis is the metabolic process of converting 1 molecule of glucose to 2 molecules of pyruvate through a series of 10 enzyme catalyzed reactions.

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Filed Under: Chemistry
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1 2062
Q:

I go around and in the house but never touches the house. What am I?

Answer

The sun moves around and in the house, but cannot touch the house.

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Subject: Word Puzzles Exam Prep: GATE , CAT , Bank Exams , AIEEE
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0 2060
Q:

Which country blocked wikipedia in all languages?

A) China B) Japan
C) India D) North Korea
 
Answer & Explanation Answer: A) China

Explanation:

China blocked wikipedia in all languages recently in May 2019.

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Filed Under: General Awareness
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5 2060