Questions

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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Q:

Which describes how mRNA is used by a cell?

A) It is used to move information to other cells. B) It is used to check DNA for mutations.
C) It is used to replicate DNA for mitosis. D) It is used to transfer genetic information.
 
Answer & Explanation Answer: D) It is used to transfer genetic information.

Explanation:

A RNA copy of a DNA gene is called as messenger RNA or mRNA. mRna is used in translation because information is translated from one language (nucleotides) into another (amino acids).

 

Hence, mRNA is used to transfer genetic information by a cell.

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

1 2402
Q:

The HIV retrovirus is particularly deadly because

A) I can become AIDS shortly afte being contracted B) It attacks the body immune system
C) Treatments can be dangerous for patients D) Its hard to diagnose accurately
 
Answer & Explanation Answer: B) It attacks the body immune system

Explanation:

HIV is a virus that damages the immune system. HIV is a lifelong condition, and without treatment, a person with HIV can develop AIDS.

The_HIV_retrovirus_is_particularly_deadly_because1563452540.jpg image

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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9 2401
Q:

The process of depositing a layer of zinc on iron is called ___________

A) Galvanisation B) Crystallisation
C) Rusting D) Baking
 
Answer & Explanation Answer: A) Galvanisation

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

6 2401
Q:

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

Of the highest quality

A) Productive B) Reactive
C) Superlative D) Relative
 
Answer & Explanation Answer: C) Superlative

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Who described his policy of unification as one of 'blood and iron'?

A) Bismarck B) Napoleon
C) Mazzini D) Napoleon Bonaparte
 
Answer & Explanation Answer: A) Bismarck

Explanation:

With the failure of the revolution of 1848 to unify Germany, one phase in the struggle for unification came to an end. Now Germany was to be unified not into a democratic country by the efforts of revolutionaries but by the rulers into a militaristic empire. The leader of this policy Bismarck who belonged to a prussian aristocratic family. He wanted to preserve the predominance of the landed aristocrats and the army in the united German state and to achieve the unification of Germany under the leadership of Prussian monarchy. He described his policy of unification as one of 'blood and iron'. The policy of 'blood and iron' meant a policy of war.

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Filed Under: World History

2 2401
Q:

St Andreas Fault passes close to the US city of

A) Los Angeles B) New Orleans
C) Hollywood D) San Francisco
 
Answer & Explanation Answer: D) San Francisco

Explanation:

A devastating  series of earthquakes in 1906 ruined the city completely and its presence is a constant remainder of the past and a threat of repetition in future.

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Filed Under: World Geography

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Q:

What is located at 180 degrees longitude?

A) Fiji B) Russia
C) Antarctica D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The 180th meridian or antimeridian is the meridian 180° east or west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres.

It is common to both east longitude and west longitude.

It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean. However, the meridian passes through Russia and Fiji as well as Antarctica.

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Filed Under: World Geography
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