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Digital Computer Electronics

Digital Computer Electronics
Conversion of a octal number 638 to its decimal number is

5110
5310
None of these
5710
6110

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Digital Computer Electronics
The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

propagation delay
None of these
binary level transition period
decay time
rise time

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Digital Computer Electronics
For an input pulse train of clock period T, the delay produced by an n stage shift register is

(n-l)T
nT
2nT
(n+l)T
None of these

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Digital Computer Electronics
The 1's compliment of binary number 11010 is:

110
101
None of these
11101
10

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Digital Computer Electronics
How many outputs signals can a gate have?

one
more than one
two only
both (a) and (b)
None of these

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Digital Computer Electronics
The _____ is a sequence of instructions that tells the computer how to process the data.

data
None of these
instruction
controls
program

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