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Q:

Jatin,Kamal and Navin are the 3 mountaineers.Jatin is kamals brother.Kamal is navinsbrother .Navin is not Jatin's brother.Therefore,Navin is jatin's brother

A) True	B) Probably false
C) False	D) Can't say

Answer & Explanation Answer: A) True

Explanation:

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Filed Under: Blood Relations

Q:

If the arithmetic mean of seventy-five numbers is calculated, it is 35. if each number is increased by 5, then mean of new numbers is :

A) 30	B) 40
C) 50	D) 60

Answer & Explanation Answer: B) 40

Explanation:

Let the numbers are $x_{1,} x_{2,} . . . . . . . x_{75}$

By Hypothesis , $\frac{x_{1} + x_{2} + . . . . x_{75}}{75} = 35$ ......(i)

Mean of new numbers = $\frac{(x_{1} + 5) + (x_{2} + 5) + . . . . . . . (x_{75} + 5)}{75}$

$\frac{x_{1} + x_{2} + . . . . . . x_{75} + 5 * 75}{75}$

$\frac{x_{1} + x_{2} + . . . . . . x_{75}}{75} + \frac{375}{75} = 35 + 5 = 40$ By (i)

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Q:

What does the EU do?

Answer

Execution Unit receives program instruction codes and data from BIU, executes these instructions and store the result in general registers.

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Subject: Hardware

Q:

What are the various segment registers in 8086?

Answer

Code, Data, Stack, Extra Segment registers in 8086.

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Subject: Hardware

Q:

What are different functional units in 8086?

Answer

Bus Interface Unit and Execution unit, are the two different functional units in 8086.

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Subject: Hardware

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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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

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