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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 demultiplexer
 encoder
 decoder
 code converter

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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

ECL
CMOS
TTLLS
TTLAS

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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
The momentary change in the output/state of the flip-flops is known as

 tri-state
 trigger
 unstable state
 inverter

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Digital Electronics
In LSI, the number of gate circuits per chip is

 < 10,000
 100 to 999
 1000 to 10,000
 100 to 9,999

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Digital Electronics
The output of a NAND gate is low

 only when all the inputs are high
 only when at least one input is low
 only when all the inputs are low
 only when at least one input is high

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MORE MCQ ON Digital Electronics

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