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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?

  6.
 12.
 24.
  10.

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Digital Electronics
The NAND gate is AND gate followed by ___________.

NOT gate
AND gate
None of these
OR gate

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NOR
 X-OR
 OR
 NAND

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Digital Electronics
A combinational circuit can be designed using only

 NOR gates
 AND gates
 OR gates
 OR and X-NOR gates

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Digital Electronics
Counter is a

  sequential circuit.
  both.
  combinational circuit.
  none.

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 octal
 natural BCD
 ASCII
 hexadecimal

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