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Q:

A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be____.

A) 50J B) 30J
C) 20J D) 40J
 
Answer & Explanation Answer: A) 50J

Explanation:
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Filed Under: Physics
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Q:

Who has re-appointed as chairman of the ICC Cricket Committee?

A) Anil Kumble B) Saurav Ganguly
C) Sunil Gavaskar D) Rahul Dravid
 
Answer & Explanation Answer: A) Anil Kumble

Explanation:
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Q:

Vertebrates and tunicates share 

A) a notochord and a dorsal, hollow nerve cord. B) the formation of structures from the neural crest.
C) jaws adapted for feeding. D) an endoskeleton that includes a skull.
 
Answer & Explanation Answer: A) a notochord and a dorsal, hollow nerve cord.

Explanation:
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which bestexpresses the same sentence in Indirect/Direct speech.

The doctor said, "well, what can I do for you?"

A) The doctor wanted to know what he could do for her. B) The doctor said that he couldn't do anything for her.
C) The doctor asked what he couldn't do for her. D) The doctor wondered what he could do for her.
 
Answer & Explanation Answer: A) The doctor wanted to know what he could do for her.

Explanation:
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Filed Under: English

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Q:

The difference between Greenwich Mean Time & Indian Standard Time is

A) 6 1/2 Hours B) 6 Hours
C) 5 1/2 Hours D) 5 Hours
 
Answer & Explanation Answer: C) 5 1/2 Hours

Explanation:

The difference between Greenwich Mean Time & Indian Standard Time is 5 1/2 hours.

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Q:

Which of the following is a function of Earth's atmosphere?

A) supplies the oxygen and water for life B) screens out much of the Sun's ultraviolet radiation
C) insulates the surface against temperature extremes D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Here all the options given are important functions of Earth's atmosphere.

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Q:

Which sport has been included in 2022 Asian Games?

A) Kabaddi B) Cricket
C) Chess D) Carroms
 
Answer & Explanation Answer: B) Cricket

Explanation:

Cricket has been included in 2022 Asian Games. The Asian Games, also known as Asiad, is a multi-sport event held every four years among athletes from all over Asia. In 2022, Asian Games are going to be hosted by China. The first Asian Games are hels in the year 1951 in New Delhi.

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Q:

Give the truth table for a Half Adder. Give a gate level Implementation of the same.

Answer

TRUTH TABLE FOR HALF ADDER


A    B  SUM  CARRY


0    0    0         0


0    1    1         0


1    0    1         0


1    1    0         1


INPLEMENTATION:


For SUM, The two inputs A and B are given to XOR gate.


For Carry, The two inputs A and B are given to AND gate.

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Subject: Hardware

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