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Digital Electronics

Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 none
 48,877
 48,777
 47,877

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Digital Electronics
A Binary number system has how many digits.

 10
 0
 2
 1

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 6
 4
 3
 5

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Digital Electronics
(11011) 2 in BCD 8421 code is

 01101100
 11011001
 00011011
 00100111

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

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Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 16 × 16
 256 × 1
 64 × 4
 32 × 8

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