Chapter 2 - Tutorial 2
Creating The IPO Table Recall
| Phase | Practical Meaning | Typical Keywords (in the problem text) |
|---|---|---|
| Input | Data accepted from the user — always nouns, never actions. NEVER USE VERB. | enter, read, get |
| Process | Operations applied to the inputs — arithmetic, decisions, loops. Each item should begin with a verb. The suggested structure is: VERB + OUTPUT + BASED ON INPUT AND CONSTANT | calculate, compute, determine, if, while, repeat |
| Output | The result delivered to the user or another system — again nouns or messages. NEVER USE VERB. | display, print, show |
Scenario 1 - Simple Scenario Question
- Calculate the area of a circle if the radius is a positive value.
- Calculate the 10% tax on a product if the price is greater than RM200.00.
- Check if a student has passed or failed based on their exam score:
- If the score is greater than or equal to 50, display "Passed."
- Otherwise, display "Failed."
- If the person is 18 years or older, display the message "Eligible to vote". Otherwise, display the message "Not eligible to vote".
- Determine whether the number entered by the user is positive, negative or zero.
- Calculate phone bill based on the following terms:
- Usage less than RM50.00 per month: no discount will be given
- Usage less than RM100.00 per month: get 5% discount
- Usage RM100.00 and above per month: get 20% discount
Scenario 2 - Bookstore Price Question
A bookstore is offering discounts based on the price of books:
- If the price of a book is less than RM50.00, apply a 5% discount.
- If the price is between RM50.00 and RM100.00 (inclusive), apply a 10% discount.
- If the price is greater than RM100.00, apply a 20% discount.
Calculate the discount amount based on the price of a book.
Scenario 3 - Utility Charge Question
A utility company charges for electricity based on usage. The rates are as follows:
- If usage is less than 500 watts, the charge is RM0.50 per watt.
- If usage is between 500 and 1000 watts (inclusive), the charge is RM0.45 per watt.
- If usage is greater than 1000 watts, the charge is RM0.40 per watt.
Calculate the electric bill based on the usage (in watts) provided.
Scenario 4 - Gym Membership Question
A gym offers membership fees based on the membership type. If the membership is a premium membership, a 25% discount will be applied. If the membership is a standard membership, a 15% discount will be applied. If the membership is a basic membership, a 5% discount will be applied. Calculate the price after the discount based on the type of membership.
Scenario 5 - Hotel Price Question
A hotel is applying tax on room prices based on the room rate. If the room rate is greater than RM200.00, a 15% tax will be applied. If the room rate is between RM100.00 and RM200.00 (inclusive), a 10% tax will be applied. If the room rate is RM100.00 or less, a 5% tax will be applied. Calculate the price after tax for the customer based on the room rate.
Scenario 6 - Coffee Subscription Question
A café sells a monthly coffee subscription that includes 15 cups. After that, each extra cup costs:
Cumulative Cups Extra-Cup Price
- 16-25 : RM4.00 each
- 26-35 : RM3.00 each
- 36+ : RM2.00 each
Scenario 7 - Cinema Loyalty Pass Question
A cinema loyalty pass gives one free ticket every Tuesday or one free ticket any day once you've spent RM200.00 that month—whichever happens first. Tickets cost RM18.00. A member buys tickets on:
- 1st (Jan) : 3 tickets
- 7th (Jan, Tue) : 2 tickets
- 14th (Jan, Tue) : 4 tickets