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GATE Questions

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Q:

What frequency range is the high frequency band?

A) 3 kHz B) 3 to 30 MHz
C) 30 to 300 MHz D) 10 GHz
 
Answer & Explanation Answer: B) 3 to 30 MHz

Explanation:

The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.

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Filed Under: Physics
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4 3611
Q:

How can you get/set an environment variable from a program?

Answer

Getting the value of an environment variable is done by using `getenv()’. Setting the value of an environment variable is done by using `putenv()’

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Subject: Operating Systems Exam Prep: GATE

2 3611
Q:

Walker Cup is associated with POLO.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

No, the given statement that the Walker Cup is associated with POLO is FALSE. The Walker Cup is an International Trophy which is associated with GOLF.

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Subject: Sports
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7 3609
Q:

Programs stored in ROM are called

A) Firmware B) Software
C) Hardware D) None of above
 
Answer & Explanation Answer: A) Firmware

Explanation:

ROM stands for read-only-memory.

 

It's used to store the start-up instructions for a computer, also known as the firmware.

 

Most modern computers use flash-based ROM. It is part of the BIOS chip, which is located on the motherboard.

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Filed Under: Computer
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4 3601
Q:

A showroom on its anniversary gives a discount of 18% on marked price of bikes. Raghuram purchases a bike in Rs. 54,540. What is the marked price of bike?

A) Rs. 63548 B) Rs. 66512
C) Rs. 65000 D) Rs. 67857
 
Answer & Explanation Answer: B) Rs. 66512

Explanation:

The discount offered by showroom = 18%

Raghu purchased at Rs. 54540

Then,

The marked price is given by 

54540 x 100/82

=~ Rs. 66,512

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Filed Under: Percentage
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7 3600
Q:

Ultimate strength to cement is provided by

A) Di-calcium silicate B) Tricalcium silicate
C) Tetra calcium alumino ferrite D) Tri-calcium aluminate
 
Answer & Explanation Answer: A) Di-calcium silicate

Explanation:
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Filed Under: Chemistry
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2 3598
Q:

Who is the 45th President of United States ?

A) Hillary Clinton B) Barack Obama
C) George W. Bush D) Donald Trump
 
Answer & Explanation Answer: D) Donald Trump

Explanation:

Donald John Trump (born June 14, 1946) is an American businessman, television personality, politician, and the 45th President of the United States.

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Filed Under: Famous Personalities
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3 3593
Q:

Which letter has at least one line of symmetry?

A) A B) C
C) O D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The letter A has a vertical axis of symmetry.

The letter C has a horizontal axis of symmetry.

The letter O has more than one axis of symmetry, including vertical axis and horizontal axis.

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Filed Under: Arithmetical Reasoning
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2 3590