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Digital Electronics

Digital Electronics
Truth table is used to express

 Boolean addition
 Boolean matrix
 Boolean map
 Boolean expression

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 hexadecimal
 natural BCD
 octal
 ASCII

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Digital Electronics
Temperature variation is a/an

 None
 Digital quantity
 Analog quantity
 Either Digital or Analog quantity

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Digital Electronics
The decimal number 0.246 in binary is

 0.001111
 0.001101
 0.010111
 0.011011

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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?

 2:3
 1:2
 1:1
 2:1

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Digital Electronics
The universal gate is ___________

OR gate
AND gate
None of these
NAND gate

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