This document will help you gain a better understanding about the algorithm and design procedures followed in the pseudocodes and flowcharts in the IGCSE,CIE system. It will also broaden your horizon of knowledge with different types of pseudocodes and flowcharts questions that are similar to the o...
1. An estate agent advertises houses for sale. The customer enquiries for a 7-day working
week are entered weekly into a computer.
Write an algorithm, using pseudocode or a program flowchart only, which:
⮚ inputs the number of customer enquiries each day,
⮚ inputs the house price each customer enquires about,
⮚ outputs how many customers enquired each day about houses costing less than
$100 000,
⮚ outputs the percentage of all enquiries made during the week about houses costing
more than $500 000.
2. Write an algorithm, using pseudocode or a program flowchart only, which:
⮚ inputs the population and land area for 500 countries,
⮚ calculates the population density (i.e. population/land area) for every country,
⮚ outputs the largest and smallest population density,
⮚ outputs the average population for all 500 countries.
3. A school has 1500 students. It is conducting a survey on their music preferences. Each
student uses a computer and inputs their name and then chooses one of 5 options:
⮚ rock (input value 1)
⮚ soul (input value 2)
⮚ pop (input value 3)
⮚ jazz (input value 4)
⮚ classical (input value 5)
Write an algorithm, using pseudocode or a flowchart, which:
⮚ inputs the choice of all 1500 students (values 1 to 5)
⮚ outputs all the names of the students who chose classical music
⮚ outputs the percentage who chose each option
.4 A survey is being carried out which involves reading and recording sound levels near a busy
road junction. Once all the data are collected, they are input manually into a computer. A sound
level of 0 decibels (0 dB) is input to indicate the end of the data.
Write an algorithm, using pseudocode or a flowchart, which:
⮚ inputs all the sound levels after a sound level of 0 is input, outputs the following:
⮚ average sound level
⮚ Highest recorded sound level.
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