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Digital Electronics

Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 16
 32
 1024
 65536

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Digital Electronics
Which of the following is equivalant to an ODD function

 NOR
 AND-NOR
 XNOR
 XOR

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

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 3
Base 8
Base 10
Base 16

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Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 NOR
 AND
 OR
 none of these

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