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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 demultiplexer
 code converter
 encoder
 decoder

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 9
 6
 8
 7

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be negative
 must necessarily be positive
 may be negative or positive
 must necessarily be 0 V and –5 V

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Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 00001000
 01110011
 00001100

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Digital Electronics
In Digital Logic Designs, GAL is abbreviated as

 Generic Advance Logic
 Generic Array Logic
 General Array Logic
 General Advance Logic

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Digital Electronics
A 16-square eliminates

 4 variables
 2 variables
 8 variables
 3 variables

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