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Digital Electronics

Digital Electronics
An EPROM is

 erasable but not programmable
 volatile
 non erasable
 programmable and erasable

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 XS-3 code
 BCD code
 Gray code
 binary code

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 8
 6
 4
 2

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Digital Electronics
Which one of the following is 2’s complement of -68?

 11000100
 01111100
 00111100
 10111100

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

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Digital Electronics
The main equation for a D flip flop is

 Q=0
 Q=1
 Q=D'
 Q=D

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