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Digital Computer Electronics

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

11011012
11000102
None of these
1101102
11000112

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Digital Computer Electronics
What is the 1's complement of 0000 1111 0010 1101 number?

1111 0000 0010 1101
1111 0000 1101 0010
None of these
1111 1100 1010 1100
1001 0010 1010 1100

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Digital Computer Electronics
An AND gate has 7 inputs, what is the only input word that produces a 1 output?

None of these
1111
1110000
1111111

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Digital Computer Electronics
A binary adder is a logic circuit that can add _____ binary numbers at a time.

One
Hundreds
Thousands
None of these
Two

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Digital Computer Electronics
The output of the following gate is 1 only if at least one of its inputs is 0.

None of these
NOR gate
AND gate
NAND gate
OR gate

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Digital Computer Electronics
How many full adders are required to construct an m- bit parallel adder?

None of these
m+1
m
m/2
m-1

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