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Digital Electronics

Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 NAND
 NOR
 none of these
 AND

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Digital Electronics
What is the difference between xor gate and exor gate.

 xor gives two outputs while exor gives one
 both are same
 xor and exor are complement of each other
 xor gives one output while exor gives two

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Digital Electronics
1 Gigabyte is equal to

 1024 bits
 1024 bytes
 1024 kbytes
 1024 Mbytes

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 2
 4
 1
 0

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 2
 6
 4
 8

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

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

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MORE MCQ ON Digital Electronics

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