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Digital Electronics

Digital Electronics
The parity of the binary number 11011001 is

 even
 not known
 odd
 same as the number of zeros

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 3
 8
 9
 6

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Digital Electronics
X + X.Y = ?

 1
 X
 0
 Y

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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

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

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Digital Electronics
(44)8 in BCD 8421 code is

 00100100
 01100011
 01000100
 00110110

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Digital Electronics
In an SR latch built from NOR gates, which condition is not allowed

 S=0, R=1
 S=1, R=1
 S=0, R=0
 S=1, R=0

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