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Digital Computer Electronics

Digital Computer Electronics
An XOR gate recognizes only words with an _____ number of 1's.

even
All of these
None of these
odd
different

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

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

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Digital Computer Electronics
Conversion of hexadecimal number 6B216 to it's binary number equivalent is

1100110011112
None of these
111111112
11110001101112
110101100102

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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)

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

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Digital Computer Electronics
The clock signals are used in sequential logic circuits

to tell how much time has elapsed since the system was turned on
to carry serial data signals
to synchronize events in various parts of a system
None of these
to tell the time of the day

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

None of these
111000
111
111111

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