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Digital Electronics

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

 101011
 011111
 110101
 111110

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 X-NOR
 AND
 NAND
 OR

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 none of these
 NOR
 NAND
 OR

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Digital Electronics
A Nibble is equal to ________ bit(s)

 4
 2
 1
 8

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Digital Electronics
Which one of the following is not a vectored interrupt?

 TRAP.
 INTR.
 RST 6.5.
 RST 7.5.

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Digital Electronics
A half adder is a ________ circuit.

 Sequential
 Combinational
 Both A and B
 None

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