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Digital Computer Electronics

Digital Computer Electronics
The 2's compliment of binary number 0.01011 is:

0.101
None of these
1.10101
1.101
0.10101

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Digital Computer Electronics
Conversion of a octal number 638 to its decimal number is

5110
5310
6110
None of these
5710

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Digital Computer Electronics
An XOR gate recognizes only words with an _____ number of 1's.

even
None of these
odd
All of these
different

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Digital Computer Electronics
How many full and half-adders are required to add 16-bit numbers?

8 half-adders, 8 full-adders
1 half-adders, 15 full-adders
16 half-adders, no full-adders
4 half-adders, 12 full-adders
None of these

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Digital Computer Electronics
Conversion of an octal number 478 to its binary number is

1001112
None of these
11110112
1100112
1100112

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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
3
1
2
4

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