Practice Jump Instructions Based On Flags (2.2.6) - Signed Arithmetic and Overflow

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

5 sample questions

Question 1.
What is the purpose of the overwrite flag?
Show hintHide hint
Think about the outcome when numbers are added together.
Question 2.
Define what an equality flag signifies.
Show hintHide hint
What condition does it check for?
3Question 3.
What does the overflow flag indicate?
- The result is positive
- The result exceeds storage capacity
- No condition is present
Show hintHide hint
Think about what happens when values are added together.
4Question 4.
True or False: The equality flag is set when two numbers are not equal.
- True
- False
Show hintHide hint
What does equality mean?
Question 5.
Outline a series of code snippets that demonstrate the correct use of flags. Explain how improper flag checks could lead to logical errors.
Show hintHide hint
Think about scenarios where outcomes depend on flag evaluations.

5 more questions in this section. Enroll free to practise them all.