Computer Science for IGCSE & O level - Programming (Section 16)
1
What does the program calculate in the first nested loop (FOR Subject = 1 TO NumOfSubjects)?
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(D)
The sum of marks for a subject and average for the subject.
2
What are the common elements for a function definition?
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A
B
C
3
What does 'WRITE' do, in file handling as shown in pseudocode?
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(B)
Writes a line of text to the file.
4
Which logical operator indicates 'both' conditions must be true for the result to be true?
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(B)
AND
5
In the provided example of an IF-ELSE statement nested within another IF-ELSE, what's the relationship between the outer and inner blocks?
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(B)
The inner block is executed based on the condition of the outer block.
6
What is the purpose of the constant declaration in the given examples?
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(B)
To make the values unchangeable.
7
What does the '==' operator typically represent in programming?
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(B)
Equality comparison
8
Which elements are commonly part of an algorithm?
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A
B
C
D
9
In the examples given, which language uses `Console.WriteLine()`?
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(C)
Visual Basic
10
What is the role of the 'Finish' variable in the given pseudocode example, specifically related to the "REPEAT ... UNTIL" loop?
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(B)
To control the number of iterations.
11
In the Totaling example, what is the effect of `TotalWeight = TotalWeight + Weight;`?
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(C)
Adds 'Weight' to 'TotalWeight' and stores the result in 'TotalWeight'.
12
What determines the number of times a "For" loop executes?
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(C)
The range specified by the start, end, and step values.
13
What would be the outcome if the `answer` variable is given the value "*" in a case statement where cases are defined for '+', '-', '*' and '/', but no default case is available?
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(A)
The code block corresponding to the '*' case would be executed.
14
In pseudo-code, what is the purpose of the statement `DECLARE`?
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(B)
To define the data type of variables.
15
Based on the IF statement example, what will be the result if 'age' is 15?
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(D)
No output will be generated.
16
In the pseudocode, what function is used to display something on the screen?
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(C)
OUTPUT
17
What happens if the 'age' is 17 in the given code?
```
IF age >= 17
THEN
Print "You are an adult"
ELSE
Print "You are a child"
ENDIF
```
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(B)
You are an adult
18
How do you know if a variable is a local variable?
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(A)
It is declared within a procedure or function.
19
What does '/* ... */' denote in programming, based on the example?
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(B)
A multi-line comment.
20
What data is used to calculate the result in the code example?
