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Digital Electronics

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

 INTR.
 RST 7.5.
 TRAP.
 RST 6.5.

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 cyclic code
 binary code
 8421 code
 2421 code

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Digital Electronics
Switching circuits are

 digital circuits
 none of these
 analog circuits
 hybrid circuits

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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

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

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Digital Electronics
A group of four bits is known as

 Nibble
 Word
 Byte
 Bit

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +(2n-1-1),-2n-1
 +(2n-1-1),-(2n-1-1)
 +2n-1,-(2n-1+1)
 +2n-1,-2n-1

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