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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NOR
 NAND
 OR
 X-OR

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Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 255
 256
 128
 8

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Digital Electronics
ASCII code is a

 10-bit code
 8-bit code
 7-bit code
 5-bit code

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Tristate
 Output is inverted
 Open collector output
None of these

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Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 10767
 17067
 17670
 17607

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

Base 3
Base 10
Base 16
Base 8

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