Sawaal

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Q:

During Processing data, programs, and processed information are held temporarily in _________

A) Secodary stoage B) ROM
C) RAM D) None of these
 
Answer & Explanation Answer: C) RAM

Explanation:
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Filed Under: Computer

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Q:

Cache memory acts between

A) CPU and Hard disc B) RAM and ROM
C) CPU and RAM D) None of the above
 
Answer & Explanation Answer: C) CPU and RAM

Explanation:

Cache memory is an extremely fast memory type that stores data so that future requests for that data can be served faster. It acts as a buffer between RAM and the CPU. It holds frequently requested data and instructions so that they are immediately available to the CPU when needed.

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Filed Under: Computer
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Q:

The main constituent of biogas is

A) Butane B) Methane
C) Hydrogen Sulphide D) Carbondioxide
 
Answer & Explanation Answer: B) Methane

Explanation:

The main constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia.

Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion.

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Filed Under: Chemistry
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Q:

Who amongst the following is the Secretary General of UNO

A) Koffi Annan B) Shashi Tharoor
C) Gordon Drown D) Hugo Chavez
 
Answer & Explanation Answer: A) Koffi Annan

Explanation:
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Filed Under: Famous Personalities

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Q:

A data dictionary is a special file that contains

A) The width of all fields in all files B) The data type of all fields in all file
C) The name of all fields in all files D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

A data dictionary is a special file that contains a set of information describing the contents, format, and structure of a database and the relationship between its elements, used to control access to and manipulation of the database.

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Filed Under: Database
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Q:

When was Jana-Gana-Mana (which later became 'National Anthem' of India) first sung and where ?

A) 24th Jan, 1950 in Allahabad B) 24th jan, 1950 in Delhi
C) 26th Dec, 1942 in Calcutta D) 27th Dec, 1911 in Calcutta
 
Answer & Explanation Answer: D) 27th Dec, 1911 in Calcutta

Explanation:
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Filed Under: Indian Politics

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Q:

One of the following sites from where the famous Bullseal of Indus Valley Civilization was found

A) Harappa B) Chanhudaro
C) Lothal D) Mohenjodaro
 
Answer & Explanation Answer: A) Harappa

Explanation:
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Filed Under: Indian History

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Q:

Why does'nt the hydrogen atom emit X-rays?

A) It is very small in size B) It has only one electron
C) Its energy levels are very close to each other D) it is highly electropositive
 
Answer & Explanation Answer: C) Its energy levels are very close to each other

Explanation:

For an atom to emit X-rays it should have difference in energy levels

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Filed Under: Physics

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