Q:

Who invented the mouse of a computer?

A) John Backus	B) Charles Babbage
C) Douglas Engelbart	D) Simon Colton

Answer & Explanation Answer: C) Douglas Engelbart

Explanation:

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Filed Under: Inventions
Exam Prep: Bank Exams

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Q:

Choose the most appropriate answer:Indian-American music composer, Ricky Kej has won the Grammy Award for the album

A) In the Lonely Hour	B) Morning Phase
C) Beyonce	D) Winds of Samsara

Answer & Explanation Answer: D) Winds of Samsara

Explanation:

In 2015, Indian-American music composer, Ricky Kej won a Grammy at the 57th Annual Grammy Awards for his album Winds of Samsara, collaboration with South African flautist Wouter Kellerman, in the Best New Age Album category.

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Filed Under: Famous Personalities

1 1427

Q:

What is the role of Pneumatophores?

A) Protect plant from animals	B) Get oxygen for respiration
C) Supports plant in standing upright	D) Helps plant for pollination

Answer & Explanation Answer: B) Get oxygen for respiration

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

Majority of the fungal bionts of lichens belong to

A) Baridiomycetes	B) Ascomycetes
C) Gomycetes	D) Deuteromycetes

Answer & Explanation Answer: B) Ascomycetes

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

Rock Shelters of Bhimbetka is located in the foothills of?

A) Western Ghats	B) Aravalli Range
C) Vindhya Range	D) Eastern Ghats

Answer & Explanation Answer: C) Vindhya Range

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Filed Under: Indian Geography
Exam Prep: Bank Exams

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Q:

In Microsoft Word, under character formatting ___________ makes character stand out by making them bold, Italic or both.

A) Size	B) Font style
C) Effects	D) Font style

Answer & Explanation Answer: D) Font style

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

The attenuation in optical fibre is mainly due to

A) Scattering	B) Absorption
C) Both (a) and (b)	D) Neither absorption nor scattering

Answer & Explanation Answer: A) Scattering

Explanation:

The reason for transmitting data over optical fibers, is because the speed of data transmission through optical wires are equal to the speed of light. The intense speed of data transfer speed, has lead to the use of optical fibers. The optical fiber uses the technology of transferring light beams, from one end to the other end of optical cables. The attenuation in optical fiber is due to Scattering. The reason why scattering is caused, due to the folding, in the wire.

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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Q:

In an optical fibre the signal is transmitted

A) in a straight line path	B) In a curved path
C) due to total internal reflection	D) Due to refraction

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