Tutorial 3

Tutorial Questions

Part 1: Algorithms

1. Question 1: What is an algorithm?
2. Question 2: Name a type of algorithm that is not a program.
3. Question 3: Algorithms are named after:
   1. a) Euclid
   2. b) Brahmagupta
   3. c) Muhammad ibn Musa al-Khwarizmi
   4. d) Al Gore
4. Create a flowchart that expresses the following algorithm:
   1. 1. Ask the user for their age
   2. 2. If the user’s age >= 18, print “Welcome to Rick’s Place”
   3. 3. Otherwise, print “Come back when you are of age”
   4. 4. Go back to step 1 to serve the next user
5. Question 5: Create pseudocode for the same algorithm
6. Question 6: Create a flowchart and pseudocode for the process of getting ready to leave the house in the morning. Include such activities as hitting the snooze button several times, taking a shower, getting dressed, and so on. Make sure to have different procedures depending on whether it is a weekday or weekend.

Part 2: The Command Line

1. Question 1: What is the command line used for?
2. Question 2: What did the command line replace? Why?
3. Question 3: With GUIs everywhere, why is the command line still in use?
4. Question 4: What computer had the first GUI?
5. Question 5: Which key performs auto-complete? Why is auto-complete useful?

Tutorial Sheets