Multiple choice

In 2's complement addition, overflow

  1. Relational algebra is more powerful than relational calculus

  2. Relational algebra has the same power as relational calculus.

  3. Relational algebra has the same power as safe relational calculus.

  4. None of the above.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In 2's complement addition, overflow occurs when the carries from sign bit & previous bit doesn't match. So overflow can't occur when a positive value is added to some negative value.

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