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Digital Electronics

Digital Electronics
F’s complement of (2BFD)Hex is

 C403
 D402
 D403
 E304

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Digital Electronics
A flip flop is a _______ circuit.

 Combinational
 None
 Sequential
 Both A and B

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Digital Electronics
A half adder has

 1 input and 2 outputs
 2 inputs and 2 output
 2 inputs and 1 outputs
 1 input and 1 output

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Digital Electronics
An AND gate can be imagined as

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

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Digital Electronics
Which one of the following is not a vectored interrupt?

 TRAP.
 RST 7.5.
 RST 6.5.
 INTR.

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Digital Electronics
8421 code is

 non-weighted code
 weighted code
 self-complementing code
 alphanumeric code

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