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Digital Electronics

Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A + B
 A.B
 A & B
 A - B

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Digital Electronics
In VLSI, the number of gate circuits per chip is

 10,000 to 99,999
 > 10,000
 50,000 to 99,999
 < 10,000

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

None of these
 Output is inverted
 Open collector output
 Tristate

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 3 × 4
 8 × 8
 3 × 8
 8 × 4

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Digital Electronics
Boolean algebra is also known as

 Counting algebra
 Transistor algebra
 Gate algebra
 Switching algebra

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 6
 7
 8
 5

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