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Digital Electronics

Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 8
 6
 7
 5

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Digital Electronics
How many numbers are used in the decimal number system?

 0 to 10
 1 to 10
None of these
 0 to 9

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Digital Electronics
Fastest memory element is

 Cache
 ROM
 RAM
 Hard Drive

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m
 2m-1
 2m+1
 2m-1

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 47,877
 48,877
 48,777
 none

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Digital Electronics
Consider the following multiplication: (10w1z) × (15)10 = (y01011001)2 Which one of the following gives appropriate values of w,y and z?

 w = 0,y = 1,z = 1
 w = 0,y = 0,z = 1
 w = 1,y = 1,z = 0
 w = 1,y = 1,z = 1

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