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Digital Computer Electronics

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

1408
1478
None of these
1498
1438

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Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

None of these
32
64
16
128

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Digital Computer Electronics
Which of the following is not true?

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

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

algebraic code
None of these
8421 code
excess 3 code
gray code

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

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

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Digital Computer Electronics
A combinational logic circuit which generates particular binary word or number is

decoder
encoder
multiplexer
demultiplexer
None of these

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