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Digital Computer Electronics

Digital Computer Electronics
Which of the following is not true?

0 x 1 = 1
1 x 0 = 0
1 x 1 = 1
0X0 = 0
None of these

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Digital Computer Electronics
Conversion of an octal number 1438 to hexadecimal number is

None of these
6316
5016
5716
6016

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

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

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Digital Computer Electronics
Arithmetic operation are coded in

Decision symbols
Processing symbols
None of these
Terminal symbols
Input/Outpur(I/0)

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Digital Computer Electronics
The logic 1 in positive logic system is represented by:

lower voltage level
None of these
higher voltage level
negative voltage
zero voltage

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Digital Computer Electronics
The ASCII code is a 7-bit code for

None of these
other symbols
All of these
letters
numbers

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