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Digital Computer Electronics

Digital Computer Electronics
Conversion of binary number 10010012 to hexadecimal is

4016
None of these
4916
4216
3916

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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.

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

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Digital Computer Electronics
A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _____ to get a low output

None of these
some low and some high
low
high
0's

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Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

AND
OR
NOR
None of these
NAND

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

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

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Digital Computer Electronics
The number of two-input NAND gates required to produce the two-input OR function is

None of these
1
2
3
4

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