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Digital Electronics

Digital Electronics
A number system with radix 2 is known as

 Decimal
 Hexadecimal
 Binary
 Octal

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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

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

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Digital Electronics
Combinations that are not listed for the input variables are

 Carry
 Borrow
 Don't Care
 Overflow

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 X-OR
 OR
 NOR
 NAND

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Both (II)&(III)
 Both (I) & (II)
 Only (II)
 Both (I)&(IV)

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Digital Electronics
X' AND X' will result

 X
 0
 X power 2
 1

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