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Digital Electronics

Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 NOR-OR
 XOR-NAND
 AND-OR
 AND-AND

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Digital Electronics
Which of the following logic circuits is the fastest ?

 DTL.
 All have same speed.
 RTL.
 TTL.

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Digital Electronics
The 7-bit Hamming code is used to transmit

 3 data bits
 7 data bits
 no data bits
 4 data bits

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Digital Electronics
When will be the output of a NOT gate is LOW ?

 the input is LOW.
 the input is HIGH and LOW.
None of these
 the input is HIGH.

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 10 bits
 12 bits
 8 bits
 16 bits

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Digital Electronics
X + X.Y = ?

 Y
 X
 0
 1

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