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DIGITAL ELECTRONICS

Digital Electronics
The output of a NAND gate is low

 only when all the inputs are high
 only when at least one input is high
 only when at least one input is low
 only when all the inputs are low

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 3
 1
 2
 4

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Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 3
 6
 5
 4

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 5
 3
 6
 4

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Digital Electronics
An AND gate can be imagined as

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

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