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Digital Computer Electronics

Digital Computer Electronics
Which of the following is not true?

1 x 0 = 0
1 x 1 = 1
None of these
0X0 = 0
0 x 1 = 1

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Digital Computer Electronics
Conversion of an octal number 31378 to it's decimal equivalent is

163110
193110
None of these
163210
153110

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Digital Computer Electronics
The 1's compliment of binary number 11010 is:

101
None of these
110
10
11101

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Digital Computer Electronics
A NOR gate recognizes only the input word whose bits are _____

0's or 1's
None of these
0's
1's
0's and 1's

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Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

1 . x = 1
None of these
A + A = A
0 + A = A
1 + A = 1

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

8C
9E
AF
All of these
None of these

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