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Digital Electronics

Digital Electronics
The number FF in base-16 systems will be equal to ________ in binary system.

 10011001
 11111111
 11101110
 10101010

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

 5050
 1010
 F0F0
 7070

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all input is LOW
 When any input is HIGH
 When any input is LOW
 When all inputs are HIGH

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Digital Electronics
X' AND X' will result

 X
 1
 0
 X power 2

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 NOR
 NAND
 none of these
 AND

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

 Microwave systems.
  Modem.
 Coaxial cables.
 Telephone lines.

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