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Digital Computer Electronics

Digital Computer Electronics
Conversion of decimal number 1310 to it's octal number equivalent is

138
118
158
None of these
178

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

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

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Digital Computer Electronics
The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

NAND
OR
AND
None of these
XOR

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Digital Computer Electronics
A bus is a group of _____ carrying digital signals.

wires
None of these
gates
registers
transistors

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

16
None of these
32
128
64

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Digital Computer Electronics
Conversion of an octal number 1428 to binary number is

11000112
1101102
11000102
11011012
None of these

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