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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NAND
 NOR
 X-OR
 OR

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Digital Electronics
The fan put of a 7400 NAND gate is

8TTL
2TTL
10TTL
5TTL

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 complement of a NOR gate
 X-OR gate followed by an inverter
 inverter followed by an X-OR gate
 NOT gate followed by a NOR gate

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Digital Electronics
Which of the following is a self-complementing code?

 cyclic code
 Gray code
 XS-3 code
 Hamming code

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Digital Electronics
A single flip-flop can be cleared (reset) to

 None
 1
 0
 Both A and B

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Digital Electronics
The binary code of (21.125)10 is

10100.111
10101.001
10100.001
10101.01

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