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Q:

What is Non-Maskable interrupts?

Answer

An interrupt which can be never be turned off (ie. disabled) is known as Non-Maskable interrupt

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Subject: Hardware

Q:

A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family ?

A) 31( 5/7) B) 32 (6/7)
C) 34(4/7) D) 35(4/9)
 
Answer & Explanation Answer: A) 31( 5/7)

Explanation:

Required average = (67 * 2 + 35 * 2 + 6 * 3) / (2 + 2 + 3)

                           = (134 + 70 + 18) / 7  =  222 / 7 = 31(5/7) years.

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Filed Under: Average

Q:

What is meant by Maskable interrupts?

Answer

An interrupt that can be turned off by the programmer is known as Maskable interrupt.

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Subject: Hardware

Q:

Hydrogen is lighter than Hydrogen .Hydrogen is lighter than helium.Therefore,Oxygen is the heaviest of the three gases

A) False B) Probably false
C) True D) Can't say
 
Answer & Explanation Answer: D) Can't say

Explanation:
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Filed Under: Verification of Truth of the statement

Q:

What is the Maximum clock frequency in 8086?

Answer

5 Mhz is the Maximum clock frequency in 8086.

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Subject: Hardware

Q:

Have you studied buses? What types?

Answer

There are three types of buses.


Address bus: This is used to carry the Address to the memory to fetch either Instruction or Data.


Data bus: This is used to carry the Data from the memory.


Control bus: This is used to carry the Control signals like RD/WR, Select etc.

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Subject: Hardware

Q:

The presence ofcalcium in milk makes it white.Rice,too,is white.Therefore rice also contains calcium

A) False B) Probably true
C) True D) Can't say
 
Answer & Explanation Answer: D) Can't say

Explanation:
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Filed Under: Verification of Truth of the statement

Q:

Taj is in Agra.Agra is in India.Therefore ,the Taj is in India

A) True B) Probably false
C) False D) Can't say
 
Answer & Explanation Answer: A) True

Explanation:
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Filed Under: Verification of Truth of the statement