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Digital Electronics

Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 10 bits
 16 bits
 12 bits
 8 bits

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Digital Electronics
A half adder has

 2 inputs and 1 outputs
 1 input and 2 outputs
 2 inputs and 2 output
 1 input and 1 output

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

 OR gate
 X-NOR gate
 X-OR gate
 AND gate

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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
A Nibble is equal to ________ bit(s)

 4
 8
 2
 1

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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
 32 × 8
 64 × 4
 256 × 1

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