Questions

Q:

Deccan Education Society was founded by

deccan_education_society_was_founded_by1553511683.jpg image

A) Bal Gangadhar Tilak B) Jyotiba Phule
C) Firoz Shah Mehta D) Gopal Ganesh Agarkar
 
Answer & Explanation Answer: A) Bal Gangadhar Tilak

Explanation:

Deccan education society is an organization which runs 43 education establishments in Maharastra, Pune founded by Bal Gangadhar Tilak.

Deccan_Education_Society_was_founded_by11553511766.jpg image

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Q:

Which of the following is the largest unit of storage?

A) GB B) KB
C) MB D) TB
 
Answer & Explanation Answer: D) TB

Explanation:

The storage capacity is measured in bytes, kilo bytes, mega bytes, giga bytes and tera bytes. The largest unit of storage is Tera bytes.

Which_of_the_following_is_the_largest_unit_of_storage1552389085.png image

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Q:

A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :

A) 518 nm B) 1035 nm
C) 325 nm D) 743 nm
 
Answer & Explanation Answer: D) 743 nm

Explanation:

1λ=1λ1+1λ2

1355=1680+1λ2

1λ2=680-355680×355

λ2=743nm.

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Filed Under: Chemistry
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Q:

The cricket match proved to be a big draw. (Idioms & Phrases)

A) a huge attraction B) a game without any result
C) a keen contest D) a lovely spectacle
 
Answer & Explanation Answer: A) a huge attraction

Explanation:

Here it is an idiom that says The cricket match proved to be a big draw means it stands as a huge attraction.

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Q:

From which one of the  following places,remains of wells have been found in houses belonging to the development stage of the Indus Valley Civilization

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

Explanation:
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Q:

An atom has 7 electrons in its M - shell and contains 18 neutrons in its nucleus. What is its mass number

A) 25 B) 27
C) 35 D) 43
 
Answer & Explanation Answer: C) 35

Explanation:

According to Bohr model, Each shell can occupy 2n2 electrons in their orbits where n=1,2,3.. for K,L,M,..

 

The atom has 2 electrons in k, 8 electrons in L and 7 electrons in M = 2 + 8 + 7 = 17

 

And given that its nucleus has 18 neutrons

 

=> its mass number = number of (electrons + neutrons ) = 17 + 18 = 35

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Q:

Round robin scheduling falls under the category of

A) Preemptive scheduling B) Non preemptive scheduling
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) Preemptive scheduling

Explanation:

Round-robin (RR) is one of the algorithms employed by process and network schedulers in computing. It falls under the category of Preemptive scheduling. In computing, the running task is interrupted for some time without requiring its cooperation and resumed later when the priority task has finished its execution. This is called preemptive scheduling. 

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Q:

Computer storage units smallest to largest?

Answer

The smallest unit of data storage in a computer is called Bit (Binary Digit). Half a byte (four bits) is called a Nibble.


 


1 bit (binary digit) = the value of 0 or 1


8 bits = 1 byte


1024 bytes = 1 kilobyte


1024 kilobytes = 1 megabyte


1024 megabytes = 1 gigabyte


1024 gigabytes = 1 terabyte


1024 terabytes = 1 petabyte


 


Hence, Computer storage units smallest to largest i.e, in ascending order is


 1 bit  <  1 byte  <  1 KB  <  1 MB  <  1 GB  <  1TB  <  1 PB.

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