What will happen if the user's book return is late?

Does not send them an SMS (text)

What is an algorithm?

The steps that are taken to solve a problem

What is the purpose of an arrow in a flowchart?

Shows the relationships between shapes/ the flow of information

They look nice when we use them

Shows the way the arrow is directed

What are the two main ways that algorithms can be designed?

In pseudocode or as a flowchart

A way of describing a set of instructions in text form

A specific programming language that all computers use

A diagrammatic representation of a set of instructions

What is important to remember when designing an algorithm?

the instructions are in the correct order

whether to use a flowchart or pseudocode

This flowchart is made to...

Calculate the area and perimeter of a square

Output figures of different sizes

Calculate the area and perimeter of a circle

Find out how long it takes to get to the moon

This flowchart is made to ...

find out which of two numbers is the biggest

add two numbers together and output the larger result

input two numbers and expand them

A storage location of memory which can change

A random area to store things in.

Something that can only store numbers

A storage location of memory which does not change

A random area to store things in.

Something that can only store numbers

Define the term ‘Algorithm’

An algorithm is a set of steps/instructions needed to complete a software task.

The process of filtering out the characteristics of problems that are not needed in order to concentrate on those that are needed

The process of breaking down a complex problem into a series of more manageable problems

Simplified programming language, that is not a specific language

Complicated programming language

Simple programming language, which is linked to a specific language

What does this pseudocode do? print "Hello"

Prints the word "Hello" to the output

Which of these is NOT an algorithm?

Working out how an engine works

Putting and executing instructions in order.

Instructions which a computer follows.

What are the three algorithm constructs?

Input/output, decision, terminator

Variables are assigned an identifier. The identifier should be:

not start with a capital letter

What is a "Variable" ?

A value that can be changed and manipulated as an algorithm is running

A value that cannot be changed and manipulated as an algorithm is running

IGCSE Unit 7 Algorithms & problem solving

Quiz

•

Computers

•

10th - 12th Grade

•

Practice Problem

•

Easy

•

CCSS

6.NS.C.7A, 6.NS.C.7C, L.2.1F

+7

Standards-aligned

L Timpson

Used 3+ times

FREE Resource

108 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the purpose of a flowchart?

To plan the program before it is made

Because it is easier

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why do we use flowcharts?

To represent algorithms in an easy way

To use different maths shapes

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does this symbol represent?

Start

Sub

Decision

Process

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is this symbol used for in a flowchart?

A decision/question

A task to carry out

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What symbol do flowcharts begin with?

oval

parallelogram

rectangle

diamond

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does this shape represent?

Input/Output

Decision

Process

Start/Stop

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What's missing from this part of a flowchart?

An Arrow

A Line

A Square

A Diamond

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IGCSE Unit 7 Algorithms & problem solving