Practice Sequence in CS Thinking
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
Executing a series of instructions one after another in a fixed, specific order.
Do this, then that, then the next thing—order matters and each step must finish before the next.
Example 1
easyWhat is the output of this sequence of instructions? SET x = 5. SET y = 3. SET z = x + y. OUTPUT z.
Example 2
easyRearrange these steps into the correct sequence for logging into a website: (A) Click 'Login'. (B) Enter password. (C) Open browser. (D) Navigate to website. (E) Enter username.
Example 3
easyWhat is the output? SET a = 10. SET b = a * 2. SET a = 0. OUTPUT b.
Example 4
easyTrace this pseudocode: SET x = 2. SET y = x + 4. SET x = y * 2. OUTPUT x, y.