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Digital Electronics

Digital Electronics
Positive integers must be represented by

 unsigned number
 None of these
 signed numbers
 Both A and B

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Digital Electronics
A flip flop is a _______ circuit.

 None
 Both A and B
 Combinational
 Sequential

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Digital Electronics
A sequence of binary digits is known as

 input string
 bit string
 byte string
 word string

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Digital Electronics
The time required for a gate to change its output is called as

 Decay time
 start time
 run time
 propagation time

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 XOR-NAND
 NOR-OR
 AND-AND
 AND-OR

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 XOR, NOR, NAND.
 NOR, NAND, XNOR.
 OR, NOT, AND.
 NOR, NAND.

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