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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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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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Q:

The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years, The ratio of the number of boys to the number of girls in the class is :

A) 1 : 2 B) 2 : 3
C) 3 : 4 D) 4 : 5
 
Answer & Explanation Answer: B) 2 : 3

Explanation:

 Let the ratio be k : 1. Then,

k * 16.4 + 1 * 15.4 = (k + 1) * 15.8

<=> (16.4 - 15.8) k = (15.8 - 15.4)  <=> k =  0.4/0.6 = 2/3.

Required ratio  = 2/3 : 1 = 2 : 3.

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Filed Under: Average

Q:

How many bit combination are there in a byte?

Answer

Byte contains 8 combinations of bits.

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Subject: Hardware

Q:

A grocer has a sale of Rs 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs, 6500 ?

A) 4991 B) 5467
C) 5987 D) 6453
 
Answer & Explanation Answer: A) 4991

Explanation:

 Total sale for 5 months = Rs. (6435 + 6927 + 6855 + 7230 + 6562) = Rs. 34009.

 Required sale = Rs.[(6500 x 6) - 34009]

= Rs. (39000 - 34009) 

= Rs.  4991.

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Filed Under: Average