What is the definition of an algorithm?

Step by Step instructions for doing something

Is this while loop an infinite loop?

Yes, because the condition exiting the loop is never reached

Case...Select is used instead of if then else when:

the number of if..else statements > 3

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IGCSE Programming Concepts

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Testing knowledge of programming theory

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Questions 14

Answers

1
The For loop is an example of a:
selection-controlled loop
Condition-controlled loop
count-controlled loop
number-controlled loop
2
Another word for iteration is?
Constant
If Statement
Variable
Loop
3
A variable is a piece of data that, during the course of a program execution,
Does not change
Is unique
Can change its value
is only ever text
4
What is the definition of an algorithm?
Something from Maths
Baking a cake
a VB Program
Step by Step instructions for doing something
5
What would the outcome of this select/case statement be
"between 6 and 8, inclusive"
"equal to 9 or 10"
"Not between 1 and 10, inclusive"
"between 1 and 5, inclusive"
6
In a DO loop, the condition is tested:
Within the loop
A specific number of times
Before entering the loop
At the end of the loop
7
What are the three main programming constructs?
Sequence, selection, iteration
Algorithms, pseudocode, flowcharts
Python, Visual Basic, Scratch
8
If the condition in a While loop can never be false, then this is called?
an infinite loop
a constant loop
a loop is a loop
a permanent loop
9
To create a multiple or nested If statement, you extend the If statement with...
Else
Else If
If
10
Does the = sign in programming mean the same as it does in maths?
No
Yes
11
In a WHILE loop, the condition is tested:
Before entering the loop
Within the loop
A specific number of times
At the end of the loop
12
Is this while loop an infinite loop?
Yes, because the condition exiting the loop is never reached
No, because there can't be an infinite loop
Yes, because the condition exiting the loop is reached
13
Arrays contain a set of values that:
can only contain numbers
can only contain text
Can contain many data types
are all of the same data type
14
Case...Select is used instead of if then else when:
the number of if...else statements < 3
the number of if..else statements > 3
there are no if..else statements required
the number of if...else statements = 2

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