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DIGITAL COMPUTER ELECTRONICS

Digital Computer Electronics
A bus is a group of _____ carrying digital signals.

wires
gates
None of these
transistors
registers

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Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

XZ + Y
XY + YZ
None of these
X + YZ
X + Y + Z

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Digital Computer Electronics
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

None of these
XAND
XOR
AND
NOR

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Digital Computer Electronics
Addition of 102 and 112 is

None of these
1012
1102
1002
1112

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

2
None of these
3
6
5

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