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Digital Electronics

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

 1024
 65536
 32
 16

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Digital Electronics
Which of the following is 1’s complement representation of +57

 00111001
 01000110
 00000001
 11000110

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 16……..
 2, 3, 4, 5, 6, ….
 2, 4, 6, 10, 12, …
 2, 4, 6, 8, 10, …..

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Digital Electronics
Which of the following operations is commutative but not associative?

 NAND
 X-OR
 OR
 AND

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Digital Electronics
The resolution of a 12 bit analog to digital converter in percent in

 0.04882.
  0.02441.
 0.09760.
  0.01220.

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Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 OR
 none of these
 NOR
 AND

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