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Digital Electronics

Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 2
 4
 0
 1

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLLS
ECL
CMOS
TTLAS

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 32
 8
 7
 16

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Digital Electronics
Truth table is used to express

 Boolean expression
 Boolean map
 Boolean addition
 Boolean matrix

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 coder
 code converter
 code decoder
 code encoder

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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 3
 2
 1
 4

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