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Digital Electronics

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

 24.
  10.
 12.
  6.

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Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A + B
 A - B
 A.B
 A & B

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NAND
 AND
 NOT
 OR

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 0 and 4
 0 and 3
 1 and 4

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Digital Electronics
The binary number 110011.11 is equivalent to decimal number

 51.65
 51.75
 50.65
 50.75

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Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 OR
 NOR
 AND
 none of these

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