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Digital Electronics

Digital Electronics
A device which converts 2421 code into 8421code is called a

 code converter
 coder
 code encoder
 code decoder

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Digital Electronics
A flip flop is a _______ circuit.

 Both A and B
 None
 Sequential
 Combinational

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Digital Electronics
The logic expression AB can be implemented by giving the inputs A and B to a two-input

 X-OR gate
 NOR gate
 NAND gate
 X-NOR gate

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Digital Electronics
An AND gate can be imagined as

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

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 1
 inputs are left open
 all inputs are connected together
 one input is set to 0

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NAND
 X-OR
 OR
 NOR

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