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Digital Electronics

Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

F53F
G52F
F52E
F53O

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Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

None of these
NOT gate
AND gate
OR gate

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Digital Electronics
A three-state buffer has the following output states

 High, Low, Float
 1, 0, float
 Both A and B
 Set, Reset, Halt

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 48,877
 48,777
 47,877
 none

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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 Evaluation
State Minimization
State Reduction
State Assignment

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1000
 0011
 1100
 1001

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