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Digital Computer Electronics

Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

0 + A = A
A + A = A
1 . x = 1
1 + A = 1
None of these

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Digital Computer Electronics
Conversion of binary number 11000112 to its decimal number is

9310
None of these
9910
9710
2910

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

XAND
inverter
AND
None of these
XOR

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Digital Computer Electronics
Conversion of binary number 1011012 to its decimal number is

4510
4710
4010
4310
None of these

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Digital Computer Electronics
Resistor Ratio design is used in linear ICs because

Ratios increase amplifier gain
All of these
Ratios increase input resistance
None of these
Precise resistor values are not possible with IC processes

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

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

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