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Digital Electronics

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

 1
 none
 both have same
 2

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 01011101
 11011101
 10100010
 11011110

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Digital Electronics
An EPROM

 is of random-access type
 is non volatile
All of these
 is programmable

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Only (II)
 Only (III)
 Both (I)&(III)
 Both (II)&(III)

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 3
 6
 9
 8

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Digital Electronics
A sequence of binary digits is known as

 byte string
 input string
 word string
 bit string

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