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Digital Electronics

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

 INTR.
 RST 7.5.
 RST 6.5.
 TRAP.

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Gray code
 XS-3 code
 Hamming code
 8421 code

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0110 is added
 0011 is added
 0011 is subtracted
 0110 is subtracted

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Digital Electronics
An EPROM is

 erasable but not programmable
 non erasable
 volatile
 programmable and erasable

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Digital Electronics
In Boolean algebra, OR is represented by

 +
 -
 /
 ×

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Digital Electronics
Logic circuits are

 digital circuits
 hybrid circuits
 analog circuits
 none of these

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