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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 00001100
 01110011
 00001000

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 XOR-NAND
 AND-OR
 AND-AND
 NOR-OR

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

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

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is HIGH
 the input is HIGH and LOW
 the input is LOW
None of these

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Digital Electronics
An 8-square is called

 a pair
 an octet
 a quad
 a cube

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Digital Electronics
A boolean function can be transformed into logical ________.

 map
 matrix
 graph
 diagram

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