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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?

 three
 two
 one
 four

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Digital Electronics
Which number system has a base of 16

 Octal
 None
 Hexadecimal
 Decimal

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Digital Electronics
A 10 bit A/D conveter is used to digitize an analog signal in the 0 to 6 volt. The maximum peak to ripple voltage that can be allowed in the D.C. supply voltage is

 10 mV.
 5 mV.
  6 mV.
  5.85 mV.

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 NAND
 X-NOR
 NOR
 AND

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Digital Electronics
A Binary number system has how many digits.

 10
 0
 2
 1

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 1010
 5050
 7070
 F0F0

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