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Digital Electronics

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

 01110011
 00000011
 00001100
 00001000

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Digital Electronics
A bubbled OR gate is equivalent to a

 NAND gate
 NOR gate
 AND gate
 X-OR gate

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Digital Electronics
The field, which is never present in an assembly language statement, is

 Opcode
 Continue
 Comment
 Operand

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 Equal to the MSB of the original byte
 1
 Complement of the MSB of the original byte
 0

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Digital Electronics
In a T flip-flop no of input circuit is

 2
 4
 3
 1

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

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

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