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Digital Electronics

Digital Electronics
8421 code is

 weighted code
 non-weighted code
 alphanumeric code
 self-complementing code

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 8
Base 10
Base 3
Base 16

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

 cost
 power requirements
 space requirements
All of these

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

 AND-OR
 XOR-NAND
 NOR-OR
 AND-AND

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

 All have same speed.
 TTL.
 DTL.
 RTL.

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Digital Electronics
F’s complement of (2BFD)Hex is

 D402
 E304
 D403
 C403

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