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Digital Electronics

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

 01001111
 01010000
 10110000
 10001110

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Digital Electronics
A full adder has

 3 inputs, 2 outputs
 2 inputs, 2 outputs
 2 inputs, 1 output
 3 inputs, 1 output

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 12
 8
 16
 4

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Digital Electronics
Queue is also known as

 FIFO memory
 LIFO memory
 LILO memory
 Flash memory

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 AND
 NAND
 X-NOR
 NOR

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +(2n-1-1),-2n-1
 +(2n-1-1),-(2n-1-1)
 +2n-1,-(2n-1+1)
 +2n-1,-2n-1

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