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Digital Electronics

Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 10
 9
 6
 12

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Digital Electronics
Which of the following logic circuits is the fastest ?

 All have same speed.
 RTL.
 TTL.
 DTL.

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Digital Electronics
NAND. gates are preferred over others because these

provide maximum density in a chip.
consume least electronic power
can be used to make any gate
have lower fabrication area

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Digital Electronics
A byte is equal to ________ bits.

 4
 8
 16
 32

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-OR
 NOR
 X-NOR
 NAND

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 0,10110.1011
 0,10110.1001
 1,10110.1001
 1,10101.1001

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