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Digital Electronics

Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+xyz
 x+yz
 x+y
 y+xz

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Digital Electronics
The following code is not a BCD code.

 XS-3 code
 all of these
 Gray code
 8421 code

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Three inputs and two outputs
 Two inputs and two outputs
 Three inputs and one output
 Two inputs and three outputs

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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
Which is typically the longest: bit,byte,nibble,word?

 word
 bit
 byte
 nibble

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Digital Electronics
An AND gate can be imagined as

 transistors connected in paralle
 switches connected in series
 switches connected in parallel
 transistors connected in series

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