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Digital Electronics

Digital Electronics
When two n-bit binary numbers are added then the sum will contain at most

 (n + n)-bit
 n-bit
 (n + 2)-bit
 (n + 1)-bit

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Digital Electronics
Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

State Assignment
State Evaluation
State Reduction
State Minimization

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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

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

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more squared than NOR
 NOR has got a bubble at its output terminal
 OR is more oval than NOR
 OR has got a bubble at its output terminal

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Digital Electronics
One bit full adder has ________ outputs.

 4
 any number
 2
 3

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 OR, NOT, AND.
 NOR, NAND.
 NOR, NAND, XNOR.
 XOR, NOR, NAND.

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