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Form 3 EOT 1 Problem solving

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.

The first step in Problem Solving is

a)

Plan

b)

Understand

c)

Solve

d)

Check

2.

Which problem steps are in the correct order?

a)

Define the problem

Analyze the problem & Propose solutions

Select the most efficient solution

Produce a sequence of instructions

Test and validate the solution

b)

Test and validate the solution

Analyze the problem & Propose solutions

Define the problem

Select the most efficient solution

c)

Produce a sequence of instructions

Select the most efficient solution

Analyze the problem & Propose solutions

Select the most efficient solution

Test and validate the solution

d)

Define the problem

Analyze the problem & Propose solutions

Select the most efficient solution

Produce a sequence of instructions

Test and validate the solution

3.

A variable is a location in the computer’s memory to hold a piece of data.

a)

TRUE

b)

FALSE

4.

You can name a variable any which way you like once it is of reasonable length

a)

TRUE

b)

FALSE

5.

X is a valid variable name

a)

TRUE

b)

FALSE

6.

A constant changes when a program is executed

a)

TRUE

b)

FALSE

7.

Which is an invalid variable name?

a)

First Name

b)

FName

c)

First_Name

d)

FN

8.

Begin

Print "Enter Name"

Read Name

Print "Enter Age"

Read Age

Print Name, Age

End

The above is an example of....................

a)

Flowchart

b)

Narrative algorithm

c)

Pseudocode

d)

IPO chart

9.
What is used to connect the flowchart symbols together?
a)
Rectangles
b)
Lines
c)
Arrows
d)
Patterns
10.
What is this symbol used for in a flowchart?
a)
A decision/question
b)
A task to carry out
11.
What symbol do flowcharts begin with?
a)
oval
b)
parallelogram
c)
rectangle
d)
diamond
12.
What does this shape represent?
a)
Input/Output
b)
Decision
c)
Process
d)
Start/Stop
13.

What does the Rectangle illustrate in a flowchart?

a)

Beginning and end points

b)

Processing

c)

Yes/No or True/False questions

d)

Connects symbols to show the direction of flow of action

14.
A sequence of instructions is called an
a)
Algorithm
b)
Computer
c)
Network
d)
User
15.
The symbol in a flowchart represented by a rectangle
a)
Decision
b)
Start / End
c)
Process
d)
Input / Output
16.

Which ONE is a constant in a program?

a)

Radius

b)

Name of student

c)

Scores

d)

Pi

17.

An IPO chart is used to analyze a problem, identifying its Input, Processing and Output components.

a)

True

b)

False

18.

Which instruction would be placed in the "Output" column of the table?

a)

Read radius

b)

Calculate the circumference

c)

Circumference

19.

Which instruction would be placed in the "Processing" column of the table?

a)

Radius

b)

Calculate the circumference

c)

Circumference

20.

Which instruction would be placed in the "Input" column of the table?

a)

Radius

b)

Calculate the circumference

c)

Circumference