Q:

D.D.T. was invented by

A) Paul Muller	B) John Dalton
C) Rudolf	D) None of these

Answer & Explanation Answer: A) Paul Muller

Explanation:

Swiss chemist Paul Hermann Muller discovered DDT (dichloro-diphenyl-trichloroethane) noted its effectiveness as a pesticide during World War II to control malaria and typhus among civilians and troops, a discovery that earned him a Nobel Prize in 1948.

It was first synthesized in the year 1874.

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Filed Under: Inventions
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69 24486

Q:

Storage which stores or retains data after power off is called____

A) Volatile storage	B) Non-volatile storage
C) Sequential storage	D) Direct storage

Answer & Explanation Answer: B) Non-volatile storage

Explanation:

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Filed Under: Computer

73 24439

Q:

Name the first Indian businessman who found place in the cover story of Forbes magazine

A) Anil Ambani	B) Dr Reddy
C) Azim Hasham Premji	D) Narayan Murthy

Answer & Explanation Answer: C) Azim Hasham Premji

Explanation:

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Filed Under: Business Awareness

187 24437

Q:

The fundamental source of monopoly power is

A) profit	B) barriers to entry
C) a product without close substitutes	D) decreasing average total cost

Answer & Explanation Answer: B) barriers to entry

Explanation:

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Filed Under: Indian Politics
Exam Prep: Bank Exams

3 24432

Q:

Which of the following is not a valid escape code?

A) "	B) \
C) '	D) =

Answer & Explanation Answer: D) =

Explanation:

The valid escape codes in programming languages are ', ", \, n, or t are the valid escape codes.

For example, the sequence \n usually represents a newline, while the escape sequence \\ represents a backslash, \t usually represents a newtab.

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Filed Under: Programming
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Q:

Name the Scientist who stated that matter can be converted into energy

A) Boyle	B) Lavoisier
C) Avogadro	D) Einstein

Answer & Explanation Answer: D) Einstein

Explanation:

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Filed Under: Chemistry

146 24430

Q:

What characteristic of read-only memory (ROM ) makes it useful?

A) ROM informationcan be easily updated	B) Data in ROM is non volatile, that is, it remains there even without electrical power
C) ROM provides very large amounts of inexpensive data storage	D) ROM chips are easily swapped between different brands of computers

Answer & Explanation Answer: B) Data in ROM is non volatile, that is, it remains there even without electrical power

Explanation:

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Filed Under: Computer

93 24402

Q:

Myanmar is located in _____________.

A) South Asia	B) South-east Asia
C) East Asia	D) South-west Asia

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