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Digital Electronics

Digital Electronics
The field, which is never present in an assembly language statement, is

 Operand
 Opcode
 Comment
 Continue

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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
A ROM has a 16-bit address bus. The number of locations in this memory is

 32
 16
 65536
 1024

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:1
 1:2
 2:3
 2:1

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

NOT operation
OR operation
None of these
AND operation

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 12, …
 2, 4, 6, 8, 10, …..
 2, 4, 6, 10, 16……..
 2, 3, 4, 5, 6, ….

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