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Digital Electronics

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

 RST 7.5.
 TRAP.
 INTR.
 RST 6.5.

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Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 256 × 1
 64 × 4
 16 × 16
 32 × 8

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Digital Electronics
How many input and output required for demultiplexer ?

 number of selection inputs and one output
None of these
 one input and many output
 one input and one output

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Digital Electronics
10’s complement of 63325600 is

 366744399
 36774400
 633256600
 36674400

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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-NOR gate
 NAND gate
 X-OR gate
 NOR gate

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Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 AND
 NAND
 NOR
 OR

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