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Digital Electronics

Digital Electronics
In Boolean algebra AND is represented by

 ×
 +
 /
 -

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 0001111
 100111
 001000
 101001

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 none of these
 OR
 NAND
 AND

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

None of these
 Open collector output
 Tristate
 Output is inverted

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Digital Electronics
What is the gray code for the binary 101011?

 101011
 110101
 011111
 111110

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Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 12
 16
 10
 8

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