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Digital Electronics

Digital Electronics
Positive integers must be represented by

 signed numbers
 Both A and B
 unsigned number
 None of these

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 0, K = 0.
 J = 1, K = 0.
 J = 1, K = 1.
 J = 0, K = 1.

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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
 2
 4

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Digital Electronics
A device which converts BCD into octal is called

 code converter
 decoder
 encoder
 demultiplexer

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Digital Electronics
The binary number 110011.11 is equivalent to decimal number

 50.65
 51.65
 51.75
 50.75

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Digital Electronics
In Boolean algebra AND is represented by

 -
 ×
 +
 /

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