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Digital Computer Electronics

Digital Computer Electronics
Which of the following is not true?

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

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Digital Computer Electronics
What is the 2's complement of 0011 0101 1001 1100 number?

1100 1010 0110 0011
1100 1010 1100 1011
1100 1010 0110 0100
1100 1010 1111 1111
None of these

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Digital Computer Electronics
Cyclic codes are used in

arithmetic and logical computation
continuously varying signal representation
All of these
None of these
data transfer

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Digital Computer Electronics
Instead of counting with binary numbers, a ring counter uses words that have a single high _____

chip
bytes
None of these
gate
bit

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Digital Computer Electronics
Consider as RS flip-flops with both inputs set to 0. If a momentary '1' is applied at the input S, then the output

Q will flip from 0 to 1 and then back to 0
Q will flip from 0 to 1
None of these
Q will flip from 0 to 1 and then back to 0
Q will flip from 0 to 1

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Digital Computer Electronics
The octal equivalent of decimal 324.987 is

None of these
640.781
504.771
90.987
815.234

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