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Digital Electronics

Digital Electronics
Positive integers must be represented by

 unsigned number
 signed numbers
 None of these
 Both A and B

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Hamming code
 XS-3 code
 Gray code
 8421 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

 4
 2
 6
 8

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Digital Electronics
In SSI, the number of gate circuits per chip is

 < 6
 < 25
 < 20
 < 12

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

 XS-3 code
 Gray code
 BCD code
 binary code

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 32
 16
 1024
 65536

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