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Digital Computer Electronics

Digital Computer Electronics
What logic function is obtained by adding an inverter to the output of an AND gate?

NAND
None of these
OR
XOR
NOR

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Digital Computer Electronics
Convert the 1000 0000 0000 1111 signed binary number to decimal number.

None of these
-30
30
15
-15

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Digital Computer Electronics
Conversion of hexadecimal number 6B216 to it's binary number equivalent is

111111112
1100110011112
110101100102
None of these
11110001101112

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Digital Computer Electronics
Which of the following logic expression is wrong?

1 + 1 + 1 = 1
1+0+1 = 1
None of these
1 + 0=1
1 + 1=0

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Digital Computer Electronics
An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _____ An XOR gate can test each received word for parity rejecting words with _____ parity.

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

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Digital Computer Electronics
With positive clocking the clock signal must be _____ for the flip-flop to respond.

None of these
race
low
high
set

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