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Digital Electronics

Digital Electronics
The decimal number 0.246 in binary is

 0.001101
 0.001111
 0.011011
 0.010111

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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
 1:1
 2:1
 2:3

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Digital Electronics
The complement of a function A is

 A
 Ā
 0
 1

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

NOT gates
None of these
NAND gates
OR gates

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Digital Electronics
The Quine– McClusky method of minimization of a logic expression is a (i) graphical method (ii) algebraic method (iii) tabular method (iv) a computer-oriented algorithm The correct answers are

 (ii) and (iv)
 (iii) and (iv)
 (i) and (iii)
 (i) and (ii)

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Digital Electronics
A sequence of binary digits is known as

 bit string
 word string
 input string
 byte string

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