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Q:

Magnetic disks are the most popular medium for

A) Sequential access	B) Direct access
C) Both A & B	D) None of the above

Answer & Explanation Answer: C) Both A & B

Explanation:

A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots, and sectors. Hard disks, zip disks, and floppy disks are common examples of magnetic disks.

Magnetic_disks_are_the_most_popular_medium_for11558071061.png image

Hence, Magnetic disks are the most popular medium for both Direct access and Sequential access.

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Filed Under: Computer
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Q:

The concept of carbon credit originated from

A) G-8 Summit, Hciligendamm	B) Earth Summit, Rio de Janeiro
C) Montreal Protocol	D) Kyoto Protocol

Answer & Explanation Answer: D) Kyoto Protocol

Explanation:

The concept of carbon credit for manufacturers originated with the Kyoto Agreement (Protocol) of 1997.

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Filed Under: General Science
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Q:

What causes brownian motion in colloids?

A) coagulation of particles and the dispersed phase	B) erratic flashes of light
C) molecules of the dispersion medium colliding with dispersed phase particles	D) All the above

Answer & Explanation Answer: C) molecules of the dispersion medium colliding with dispersed phase particles

Explanation:

When their is a colloid in the solution, then it will show the Brownian movement, such as dust particle in the air will show the Brownian movement.

Hence, Brownian movement arises due to the impact of the molecules of the dispersion medium with the colloidal particles. It has been postulated that the impact of the molecules of dispersion medium on the colloidal particles are unequal.

This leads to the zig-zag (random) motion of the colloidal particles.

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Filed Under: Physics
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Q:

Give the common name for the following compound

${({CH}_{3})}_{2} CH {CH}_{2} - Br$

A) Isobutyl bromide	B) Methyl bromide
C) Propyl bromide	D) Butyl bromide

Answer & Explanation Answer: A) Isobutyl bromide

Explanation:

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Filed Under: Chemistry
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Q:

What has a head and a tail but nobody?

Answer

A Coin has a Head and tail but no body. Since the two sides of coin are called as heads and tails.

Workspace

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Subject: Logic Puzzles Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
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Q:

To buy goods on credit means to

A) promise to pay for goods later.	B) pay only a discount price.
C) promise to pay only a sale price.	D) pay cash for goods.

Answer & Explanation Answer: A) promise to pay for goods later.

Explanation:

If as a business, you buy goods or services on credit from a supplier (accounts payable) then the supplier will supply the goods and business will incur a liability to the supplier for that amount, but no cash will change hands at that stage.

Some of those shop keepers allowed regular "trustworthy" customers to purchase items without having the full payment.

Hence, Buying on credit means that no actual money has changed hands.

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Filed Under: General Awareness
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Q:

Which of the following is a compound sentence?

A) We can go see a movie, or we can get something to eat.	B) When you get there, please remember to call me.
C) Mohan bought some new shoes and wore them to a party.	D) None of the above

Answer & Explanation Answer: A) We can go see a movie, or we can get something to eat.

Explanation:

A compound sentence is a sentence that has at least two independent clauses joined by a comma, semicolon or conjunction. An independent clause is a clause that has a subject and verb and forms a complete thought.

Here except option A) other two options dependent.

Hence, A) We can go see a movie, or we can get something to eat is a compound sentence.

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Filed Under: Verification of Truth of the statement
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Q:

3/4 divided by 2 is

A) 3/2	B) 2/3
C) 8/3	D) 3/8

Answer & Explanation Answer: D) 3/8

Explanation:

3/4 divided by 2

= 3/4/2

= 3/4x2

= 3/8.

Hence, 3/4 divided by 2 is equal to 3/8.

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Filed Under: Decimal Fractions
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