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Digital Electronics

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

 7070
 F0F0
 1010
 5050

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Digital Electronics
The devices commonly used for making digital circuits are

 relays
 semiconductor devices
 mechanical switches
 contact switches

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Digital Electronics
A flip flop is a _______ circuit.

 Sequential
 Both A and B
 Combinational
 None

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Digital Electronics
What is the 2’s complement of 10110000?

 01001111
 01010000
 10001110
 10110000

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Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

AND gate
None of these
OR gate
NOT gate

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Digital Electronics
1’s complement of 17 is

  01110.
 11100.
 10001.
 10111.

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