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Digital Electronics

Digital Electronics
How many stable state/states present in flip-flop ?

 3
 2
 4
 1

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

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

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Digital Electronics
A number system with radix 2 is known as

 Binary
 Octal
 Decimal
 Hexadecimal

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Digital Electronics
The binary code of (21.125)10 is

10100.111
10100.001
10101.01
10101.001

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Digital Electronics
A 15-bit Hamming code requires

 4 parity bits
 none of these.
 5 parity bits
 15 parity bits

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 OR
 AND
 X-OR
 X-NOR

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