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Digital Electronics

Digital Electronics
8421 code is

 alphanumeric code
 weighted code
 self-complementing code
 non-weighted code

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Digital Electronics
Digital computers are more widely used as compared to analog computers, because they are

Easier to maintain
Always more accurate and faster
Less expensive
Useful over wider ranges of problem types

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Digital Electronics
The XS-3 code is a

 cyclic code
 error-correcting code
 self-complementing code
 weighted code

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Digital Electronics
An EPROM is

 non erasable
 volatile
 erasable but not programmable
 programmable and erasable

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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 (iii)
 (i) and (ii)
 (ii) and (iv)

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

 Carry
 Don't Care
 Borrow
 Overflow

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