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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 OR gate
 NAND gate
 NOR gate
 X-OR gate

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Digital Electronics
In flip flop clock is present but in latch clock is

  present always.
  absent always.
  may be present/absent.
  none.

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

 8421 code
 Hamming code
 Gray code
 XS-3 code

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

 four
 one
 three
 two

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

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

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

 1010
 5050
 7070
 F0F0

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