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Digital Electronics

Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

  8.
 256.
 16.
  255.

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Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 10101010
 11101110
 11111111
 10011001

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Digital Electronics
A combinational circuit can be designed using only

 OR gates
 OR and X-NOR gates
 AND gates
 NOR gates

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

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

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Digital Electronics
The 7-bit Hamming code is used to transmit

 3 data bits
 no data bits
 4 data bits
 7 data bits

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Digital Electronics
Which of the following is equivalant to an ODD function

 XOR
 AND-NOR
 XNOR
 NOR

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