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Digital Computer Electronics

Digital Computer Electronics
The logic 1 in positive logic system is represented by:

negative voltage
higher voltage level
None of these
lower voltage level
zero voltage

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Digital Computer Electronics
How many bits are required to encode all twenty six letters ten symbols, and ten numerals?

None of these
5
3
6
2

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Digital Computer Electronics
Which TTL sub-family has maximum speed?

high speed TTL
standard TTL
low power TTL
schottky-clamped TTL
None of these

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the output of an AND gate?

None of these
NOR
XOR
NAND
OR

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Digital Computer Electronics
A diagram that illustrates the ore (Logic) of functions in a progran called a

Flowchart
Direction of flow
None of these
Sequence of steps
All of these

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Digital Computer Electronics
What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?

None of these
ASCII table
Routing table
Truth table
Function table

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