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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 encoder
 demultiplexer
 decoder
 code converter

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Digital Electronics
If clock time period is 1ms, what is its frequency

None of these
 1 kHz
 1 mHz
 1 MHz

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Digital Electronics
When two n-bit binary numbers are added then the sum will contain at most

 (n + 1)-bit
 n-bit
 (n + 2)-bit
 (n + n)-bit

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Digital Electronics
How many output is high of NOR GATE ?

 3
 2
 4
 1

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Digital Electronics
The output of a NOR gate is high

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

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Digital Electronics
(44)8 in BCD 8421 code is

 01100011
 01000100
 00100100
 00110110

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