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Digital Electronics

Digital Electronics
8421 code is

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

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Digital Electronics
In Boolean algebra AND is represented by

 /
 ×
 -
 +

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:2
 2:3
 2:1
 1:1

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Digital Electronics
A debouncing circuit is

A monostable MV
A bistable MV
An astable MV
A latch

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

 2
 1
 4
 3

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Digital Electronics
A 32 × 10 ROM contains a decoder of size

 32 × 32
 32 × 10
 10 × 32
 5 × 32

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