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Digital Computer Electronics

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

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

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Digital Computer Electronics
A NOR gate recognizes only the input word whose bits are _____

0's
1's
0's and 1's
None of these
0's or 1's

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Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

None of these
8
4
3
6

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Digital Computer Electronics
Cyclic codes are used in

All of these
data transfer
arithmetic and logical computation
None of these
continuously varying signal representation

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Digital Computer Electronics
The NOR gate is logically equivalent to an OR gate followed by an _____

None of these
XOR
inverter
AND
XAND

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Digital Computer Electronics
The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.

MOS
LSI
None of these
MOSFET
MSI

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