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Digital Electronics

Digital Electronics
Positive integers must be represented by

 Both A and B
 unsigned number
 signed numbers
 None of these

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Digital Electronics
Which of the following gate is a two-level logic gate

NOT gate
EXCLUSIVE OR gate
OR gate
NAND gate

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Digital Electronics
Boolean algebra is also known as

 Switching algebra
 Transistor algebra
 Counting algebra
 Gate algebra

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 65536
 1024
 16
 32

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 OR
 NAND
 none of these
 AND

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Digital Electronics
Which of the following codes is known as the 8421 code?

 XS-3 code
 Gray code
 BCD code
 ASCII code

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