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Q:

Size of the primary memory of a pc ranges between

A) 256 kb to 640 kb B) 64 kb to 256 kb
C) 256 kb to 512 kb D) 2 kb to 8 kb
 
Answer & Explanation Answer: A) 256 kb to 640 kb

Explanation:

Size of the primary memory of a PC ranges between 256 KB to 640 KB.

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Q:

Which among following first generation of computers ?

A) Integrated Circuits B) Magnetic Tape and Transistors
C) Vaccum Tubes and Magnetic Drum D) All of above
 
Answer & Explanation Answer: C) Vaccum Tubes and Magnetic Drum

Explanation:

First Generation  Vacuum Tubes (1940-1956)

The first computer systems used vacuum tubes for circuitry and magnetic drums for memory

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Q:

Sound travels fastest in

A) Vacuum B) Air
C) Glass D) Water
 
Answer & Explanation Answer: C) Glass

Explanation:

Sound is a mechanical vibration and needs a medium for propagation. The higher the density of the medium, the faster the sound travels. So, sound cannot travel through vacuum.

 

As the sound travels faster in solids than liquids and gases, sound travels faster in the glass than Air and water.

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Q:

Who is the leading wicket taker in the history of test cricket

A) Shane Warne B) Brian Lara
C) Courtney Walsh D) Muttiah Muralitharan
 
Answer & Explanation Answer: D) Muttiah Muralitharan

Explanation:
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Q:

Who is the author of the book "The Hungry Tide"?

A) Mitali Meelan B) Ravinder Singh
C) Amitav Ghosh D) Sudha Murty
 
Answer & Explanation Answer: C) Amitav Ghosh

Explanation:
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Q:

Where's MBR located on the disk?

Answer

 Main Boot Record is located in sector 0, track 0, head 0, cylinder 0 of the primary active partition.

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Subject: Hardware

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Q:

India's first experimental telecommunication satellite APPLE was put into orbit from a launch site in

A) USA B) Russia
C) French Guiana D) Mexico
 
Answer & Explanation Answer: C) French Guiana

Explanation:
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Q:

Nuclear Fission is caused by the impact of

A) Electron B) Neutron
C) Proton D) Deutron
 
Answer & Explanation Answer: B) Neutron

Explanation:

In nuclear physics, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei). The fission process often produces free neutrons and releases a very large amount of energy.

 

Thus, The Nuclear Fission is caused by the impact of Neutrons.

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