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Digital Electronics

Digital Electronics
16’s complement of BABA is?

 4445
 4544
 4546
 4446

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Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 NOR
 OR
 AND
 XOR

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Digital Electronics
The NAND gate can function as a NOT gate if

 inputs are left open
 one input is set to 0
 all inputs are connected together
 one input is set to 1

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Digital Electronics
An X-OR gate gives a high output

 for odd decimal value.
 if there are odd number of 1s
 if the decimal value of digital word is even
 if it has even number of 0s

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

  10.
 24.
 12.
  6.

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1100
 0100 1110 0010 1101
 0101 1111 0010 1100
 0100 1111 0010 1101

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