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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?

 four
 three
 one
 two

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

 Telephone lines.
 Microwave systems.
 Coaxial cables.
  Modem.

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 XOR
 NOR
 OR
 XNOR

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Digital Electronics
A bubbled AND gate is equivalent to a

 NOR gate
 OR gate
 X-OR gate
 NAND gate

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 3
Base 10
Base 8
Base 16

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Digital Electronics
In MSI, the number of gate circuits per chip is

 50 to 100
 < 50
 < 500
 12 to 99

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