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Digital Computer Electronics

Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

NAND
NOR
OR
None of these
AND

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Digital Computer Electronics
The number of two-input NAND gates required to produce the two-input OR function is

4
1
None of these
3
2

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Digital Computer Electronics
The 1's compliment of binary number 11010 is:

101
11101
10
None of these
110

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Digital Computer Electronics
Conversion of binary number 10100002 to an octal number is

1118
1018
1208
1198
None of these

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Digital Computer Electronics
_____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.

NMOS, CMOS
PMOS, CMOS
MOSFET, PMOS
None of these
NMOS, PMOS

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

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

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