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Digital Electronics

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

 NAND
 NOR
 X-OR
 OR

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 tri-state
 trigger
 unstable state
 inverter

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Digital Electronics
(44)8 in BCD 8421 code is

 00100100
 00110110
 01000100
 01100011

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all input is LOW
 When any input is HIGH
 When any input is LOW
 When all inputs are HIGH

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Digital Electronics
Stack is also known as

 LIFO memory
 LILO memory
 Flash memory
 FIFO memory

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

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