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Digital Electronics

Digital Electronics
Which of the following gates is known as a coincidence detector?

 NAND gate
 AND gate
 X-OR gate
 X-NOR gate

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Digital Electronics
The binary code of (21.125)10 is

10101.01
10100.001
10101.001
10100.111

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Digital Electronics
A device which converts decimal number into BCD form is called

 encoder
 code converter
 decoder
 multiplexer

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32
 65,536
 32,767
 32,768

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Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

 NOR-NOR realization
 NAND-NOR realization
 NAND-NAND realization
 NOR-NAND realization

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

 Decay time
 run time
 propagation time
 start time

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