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Digital Computer Electronics

Digital Computer Electronics
A binary adder is a logic circuit that can add _____ binary numbers at a time.

Hundreds
None of these
Thousands
Two
One

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Digital Computer Electronics
Which of the following is not true?

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

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Digital Computer Electronics
Subtraction of 1001011002 from 11101010102 is

11110000012
1101000012
11110111112
10010111102
None of these

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Digital Computer Electronics
The hexadecimal digits are 0 to 9 and A to _____

G
D
F
None of these
E

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

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

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Digital Computer Electronics
What is the 1's complement of 0000 1111 0010 1101 number?

1111 0000 1101 0010
1001 0010 1010 1100
1111 1100 1010 1100
None of these
1111 0000 0010 1101

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