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Digital Electronics

Digital Electronics
An EPROM

 is non volatile
All of these
 is programmable
 is of random-access type

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

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Digital Electronics
The following code is not a BCD code.

 Gray code
 XS-3 code
 8421 code
 all of these

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Digital Electronics
How many numbers are used in the decimal number system?

None of these
 0 to 10
 0 to 9
 1 to 10

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Digital Electronics
In which code do the successive code characters differ in only one position?

 XS-3 code
 Gray code
 Hamming code
 8421 code

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 OR
 AND
 NOT
 NAND

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