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Digital Electronics

Digital Electronics
A group of four bits is known as

 Word
 Bit
 Nibble
 Byte

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

Base 16
Base 8
Base 3
Base 10

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Digital Electronics
Which of the following codes is known as the 8421 code?

 BCD code
 Gray code
 XS-3 code
 ASCII code

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 X-OR gate followed by an inverter
 complement of a NOR gate
 NOT gate followed by a NOR gate
 inverter followed by an X-OR gate

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

 RST 7.5.
 INTR.
 RST 6.5.
 TRAP.

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 7
 9
 6
 8

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