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Digital Computer Electronics

Digital Computer Electronics
The control and arithmetic-logic sections are called the _____

Block diagram
Central Processing Unit
None of these
Control Unit
Input / Output Unit

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Digital Computer Electronics
Subtraction of 1001011002 from 11101010102 is

11110000012
1101000012
10010111102
None of these
11110111112

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

excess 3 code
algebraic code
8421 code
None of these
gray code

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Digital Computer Electronics
What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

Lower cost
All of these
Higher reliability
Smaller size
None of these

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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

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

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Digital Computer Electronics
The output of the following gate is 0 only if at least one of the inputs is 1:

None of these
OR gate
EX-OR gate
AND gate
NOR gate

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