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Digital Electronics

Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 00011111
 11100000
 10101111
 011100001

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Digital Electronics
The fast logic family is

  ECL.
  TTL.
  TRL.
  DRL.

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 OR
 NAND
 X-OR
 NOR

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Digital Electronics
Excess-3 code is known as

Weighted code
Self-complementing code
Algebraic code
Cyclic redundancy code

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Digital Electronics
Which of the following memories uses one transistor and one capacitor as basic memory unit

 Both SRAM and DRAM
 SRAM
 DRAM
 None

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 OR
 X-OR
 NOT
 AND

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