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Digital Electronics

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

 8
 256
 128
 255

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NAND or an X-OR
 a NAND or an AND
 a NOR or an X-NOR
 a NAND or an X-NOR

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Digital Electronics
A device which converts BCD into octal is called

 decoder
 encoder
 demultiplexer
 code converter

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

 INTR.
 RST 6.5.
 RST 7.5.
 TRAP.

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Digital Electronics
A number system with radix 2 is known as

 Binary
 Octal
 Decimal
 Hexadecimal

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m + 1 literals less than the total number of variables
 n – m literals
 n + m literals
 m – 1 literals less than the total number of variables

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