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Digital Electronics

Digital Electronics
The hex address of the 256th memory location is

 00FFF
 000FF
 001FF
 00100

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 1
 both have same
 2
 none

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

 2m-1
 2m-1
 2m
 2m+1

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Digital Electronics
The binary number 110011.11 is equivalent to decimal number

 50.75
 50.65
 51.75
 51.65

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 -25, -9 and -57 respectively
 25, 9 and 57 respectively

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1100 1011 1111 1001
 1000 0101 1001 0010
 1100 1001 1111 1000
 1100 0111 1111 0011

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