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Digital Computer Electronics

Digital Computer Electronics
What logic function is produced by adding an inverter to each input and the output of an AND gate?

OR
NOR
NAND
XOR
None of these

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Digital Computer Electronics
The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output

odd, even
even, odd
high, low
None of these
low, high

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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.

AND gate
OR gate
NAND gate
None of these
NOR gate

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Digital Computer Electronics
Parallel adders are

All of these
sequential logic circuits
both of the above
None of these
combinational logic circuits

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

6016
5016
None of these
5716
6316

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Digital Computer Electronics
A logic circuit which is used to change a BCD number into an equivalent decimal number is

encoder
None of these
decoder
multiplexer
code converter

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