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Digital Electronics

Digital Electronics
Positive integers must be represented by

 Both A and B
 signed numbers
 unsigned number
 None of these

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 0
 A = 0, B = 0, C = 0
 A = 1, B = 1, C = 1
 A = 1, B = 0, C = 1

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Digital Electronics
A Nibble is equal to ________ bit(s)

 8
 1
 4
 2

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Digital Electronics
Logic circuits are

 hybrid circuits
 analog circuits
 digital circuits
 none of these

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Digital Electronics
The fan put of a 7400 NAND gate is

5TTL
10TTL
8TTL
2TTL

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Digital Electronics
The 1’s complement of 11010111 is

 10101000
 00101000
 10101000
 11101000

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