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Digital Electronics

Digital Electronics
The NAND gate is AND gate followed by ___________.

OR gate
None of these
NOT gate
AND gate

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is subtracted
 0011 is added
 0110 is subtracted
 0110 is added

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Digital Electronics
F’s complement of (2BFD)Hex is

 D402
 C403
 D403
 E304

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

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output is LOW
 the output follows clock
 the output follow input
 the output is HIGH

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 2
 1
 4
 any number

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