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Digital Electronics

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

 4
 2
 3
 1

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Digital Electronics
ASCII code is a

 8-bit code
 5-bit code
 10-bit code
 7-bit code

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Digital Electronics
Which of the following is not a transmission medium?

 Coaxial cables.
  Modem.
 Microwave systems.
 Telephone lines.

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Digital Electronics
Each term in the standard POS form is called a

 maxterm
 minterm
 literal
 don’t care

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Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 NAND
 OR
 AND
 NOR

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1100
 0100 1110 0010 1101
 0100 1111 0010 1101
 0101 1111 0010 1100

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