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Digital Electronics

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

 one
 two
 three
 four

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Digital Electronics
The fast logic family is

  TRL.
  ECL.
  DRL.
  TTL.

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 8 × 4
 3 × 8
 8 × 8
 3 × 4

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Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

F53F
G52F
F52E
F53O

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 2
 none
 1
 both have same

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

OR gates
None of these
NOT gates
NAND gates

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