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Digital Electronics

Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 XOR, NOR
 NOR, XNOR
 OR, NOR
 XOR, OR

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Digital Electronics
A 15-bit Hamming code requires

 none of these.
 15 parity bits
 5 parity bits
 4 parity bits

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

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Digital Electronics
Which of the following is not a transmission medium?

 Microwave systems.
  Modem.
 Telephone lines.
 Coaxial cables.

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Digital Electronics
Stack is also known as

 LILO memory
 LIFO memory
 FIFO memory
 Flash memory

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Digital Electronics
9’s complement of 52784630 is

 47215369
 48225469
 57316379
 58326479

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