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Digital Electronics

Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

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

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin2
 Pin1
 Pin14
 Pin13

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 NOR
 AND, OR, and NOT
 X-OR
 NAND

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

NOT gates
NAND gates
None of these
OR gates

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Digital Electronics
In binary number system the first digit (bit) from right to left is called as

 First Bit
 Last Bit
 MSB, Most Significant Bit
 LSB, Least Significant Bit

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 weight
 volume
 size
 cost

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