Q:

Which of the following is not a polymer?

A) DNA	B) Glucose
C) Starch	D) Cellulose

Answer & Explanation Answer: B) Glucose

Explanation:

Since A polymer is a large molecule, or macromolecule, composed of many repeated subunits. Glucose is not a polymer.

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Q:

When a piece of pure silicon is doped with aluminium, then

A) the conductivity of the doped silicon piece will remain the same	B) the doped silicon piece will become n-type
C) the doped silicon piece will become p-type	D) the resistivity of the doped silicon piece will increase

Answer & Explanation Answer: C) the doped silicon piece will become p-type

Explanation:

p type of semiconductor is obtained when Silicon is doped with a trivalent impurity like Aluminium. Aluminium is a p-type dopant, which means that when a semiconductor i.e. silicon is doped with aluminium, it creates a hole (positively charged carrier) by accepting an electron from the silicon atom. Electrical conductivity of semiconductors increasesand resistivity remains the same

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Filed Under: Physics
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Q:

A transaction for which all committed changes are permanent is called:

A) atomic.	B) consistent.
C) isolated.	D) durable.

Answer & Explanation Answer: D) durable.

Explanation:

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Filed Under: Database

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Q:

The transfer of data from one application to another in a computer system is known as

A) Dynamic Data Exchange	B) Dodgy Data Exchange
C) Dogmatic Data Exchange	D) Dynamic Disk Exchange

Answer & Explanation Answer: A) Dynamic Data Exchange

Explanation:

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Filed Under: Computer
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Q:

Who is the author of the book ' The Rights of Man '

A) Thomas Hardy	B) Thomas Mann
C) Thomas Moore	D) Thomas Paine

Answer & Explanation Answer: D) Thomas Paine

Explanation:

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Filed Under: Books and Authors

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Q:

How do you detect if two 8-bit signals are same?

Answer

Pass input to XOR and give their outputs to OR gate, if your output is 0 both 8-bit signals are same.

OR

Pass input to XNOR and give their outputs to AND gate, if your output is 1 both 8-bit signals are same.

Workspace

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Subject: Hardware

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Q:

The rising of the evening star indicates the

A) West	B) East
C) South pole	D) North pole

Answer & Explanation Answer: A) West

Explanation:

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Filed Under: General Awareness
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Q:

When was the 29th state of India formed?

A) 30th April 2014	B) 7th may 2014
C) 12th may 2014	D) 2nd june 2014

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