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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 3
 4
 1
 2

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Digital Electronics
The state of a flip-flop can be switched by changing its ________ signals.

 input
 triggering
 clearing
 output

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 7070
 1010
 5050
 F0F0

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 code encoder
 coder
 code converter
 code decoder

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Digital Electronics
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 SR flip-flop
 T flip-flop
 K flip-flop
 Shorted JK flip-flop

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

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

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