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Digital Computer Electronics

Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

excess 3 code
gray code
algebraic code
None of these
8421 code

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

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

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Digital Computer Electronics
A flip-flop is a _____ element that stores a binary digit as a low or high voltage.

I/O
memory
None of these
chip
bus

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

bit
bytes
chip
gate
None of these

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Digital Computer Electronics
How many full adders are required to construct an m- bit parallel adder?

m
None of these
m-1
m/2
m+1

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Digital Computer Electronics
Which function positive logic is equivalent to OR function in negative logic?

NOR
NOT
None of these
AND
OR

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