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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 X-OR gate
 OR gate
 NAND gate
 NOR gate

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Digital Electronics
F’s complement of (2BFD)Hex is

 E304
 D402
 C403
 D403

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are different
 All inputs are HIGH
 The inputs are equal
 All inputs are LOW

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

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

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Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  T FF.
  S-R FF.
  J-K FF.
  D FF.

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Digital Electronics
Which type of CPLD packaging can provide maximum number of pins on the package due to small size of the pins?

PLCC
PGA
BGA
QFP

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