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Digital Electronics

Digital Electronics
A device which converts decimal number into BCD form is called

 decoder
 encoder
 multiplexer
 code converter

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Digital Electronics
How many stable state/states present in flip-flop ?

 4
 1
 3
 2

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

OR operation
AND operation
None of these
NOT operation

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Digital Electronics
The XS-3 code is a

 self-complementing code
 error-correcting code
 weighted code
 cyclic code

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Digital Electronics
The field, which is never present in an assembly language statement, is

 Continue
 Comment
 Opcode
 Operand

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 1 V and -5 V
 5 V and 0 V
 –1.5 V and – 5 V
 0 V and 5 V

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