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Digital Computer Electronics

Digital Computer Electronics
Conversion of decimal number 9910 to it's binary number equivalent is

None of these
11100012
111 10002
1000112
11000112

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Digital Computer Electronics
Which of the following is not true?

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

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Digital Computer Electronics
Conversion of binary number 11000112 to an octal number is

1478
1408
None of these
1438
1498

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

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

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Digital Computer Electronics
In which of the following adder circuits, the carry look ripple delay is eliminated?

Full adder
Parallel adder
Half adder
None of these
Carry-look-ahead adder

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Digital Computer Electronics
A microprocessor has memory locations from 0000 to 3FFF. Each memory location stores 1 byte. How bytes can the memory store? Express this in kilobytes?

None of these
46,040, 46K
4,095, 4K
32,740, 32K
16,384, 16K

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