Computer Science for IGCSE & O level - Programming (Section 9)
1
What do parameters do in functions or procedures?
отговор
(B)
They receive data passed into the function or procedure.
2
In the context of file handling, what does 'WRITE' typically signify?
отговор
(D)
Write data into a file.
3
What is the primary purpose of storing data in a file?
отговор
(B)
To store data persistently for later use.
4
Which statement is used to select one option out of multiple options?
отговор
(C)
CASE statement
5
What is the name for a named storage location in a computer's memory?
отговор
(B)
Variable
6
What is the result of this comparison: `5 <= 5`?
отговор
(A)
True
7
What is a common characteristic of a well-designed algorithm?
отговор
(C)
It should be efficient and solve the problem correctly.
8
What is the benefit of using comments in code?
отговор
A
B
9
What is the purpose of the `ELSE` statement in an `IF` statement?
отговор
(B)
To specify the actions to be taken if the `IF` condition is false.
10
Which of the following are important aspects when writing a file?
отговор
A
B
C
11
What is the primary function of a loop in programming?
отговор
(B)
To execute a block of code repeatedly.
12
If you wanted to store the ages of students and their corresponding grades in an organized format, what type of structure would you use?
отговор
(C)
A two-dimensional array.
13
If `Value1 = MOD(20, 3)`, what is the value of `Value1`?
отговор
(D)
2
14
What is the result of the following operation: 10 % 3?
отговор
(A)
1
15
What is the primary difference between an `INTEGER` and a `REAL` data type?
отговор
(B)
INTEGER stores whole numbers, REAL stores numbers with decimal points.
16
In the context of programming, what is a variable?
отговор
(B)
A named data store that holds a value that can change.
17
Which statement is used in programming to execute a block of code multiple times?
отговор
(D)
FOR, WHILE
18
What is the purpose of a 'loop' in programming?
отговор
(B)
To execute a block of code repeatedly.
19
What is the role of comments in a program?
отговор
(C)
To explain the code to humans.
20
Which data type is most suitable for storing True/False values?
отговор
(C)
Boolean
21
What is a step-by-step set of instructions used for solving a problem?
отговор
(C)
An algorithm.
22
What does the term "iteration" primarily refer to in programming?
отговор
(B)
The repetition of a set of instructions
23
Why is it important to use clear and meaningful identifiers (variable names, function names, etc.)?
отговор
(C)
To improve the code's readability and maintainability.
24
Which of the following statements represents an input operation?
отговор
(B)
name = input()
25
What is the purpose of a 'comment' in a program?
отговор
(B)
To provide an explanation or description of the code.
26
Which of the following best describes the purpose of comments in code?
отговор
(C)
To provide documentation for the code.
27
Which of the following is a characteristic of high-level programming languages?
отговор
B
C
28
What does an IDE primarily offer to programmers?
отговор
A
B
C
29
What would be an appropriate data type to store a person's name?
отговор
(C)
String
30
Which statement represents a logical decision in a program?
отговор
(C)
IF x > 10 THEN
31
Which of these elements can be found in a procedure definition?
отговор
A
B
D
32
In the context of arrays, what does the term "index" refer to?
отговор
(C)
The position of each element within the array.
33
What keyword is commonly used to start a comment in Python, based on the provided examples?
отговор
(C)
#
34
Which string method is used to find the number of characters in a string?
отговор
(A)
Length
35
What is the role of the `NumOfSubjects` constant in the code?
отговор
(C)
To set a fixed value for a number of subjects.
36
What is the process of finding and fixing errors in a program called?
отговор
(B)
Debugging
37
What are the key components of a standard programming environment?
отговор
(A)
Text editor, compiler, and debugger
38
If the 'age' input is 20, what output will the following code produce?
```
IF age >= 17
THEN
Print "You are an adult"
ELSE
Print "You are a child"
ENDIF
```
отговор
(B)
You are an adult
39
What does the MOD function calculate in programming?
отговор
(C)
The remainder of a division.
40
What is a key benefit of using nested statements (e.g., an IF statement inside another IF statement)?
отговор
(C)
It allows for more complex and detailed logic.
41
What does the following Python code do? `myFile = open('myText.txt', 'r')`
отговор
(B)
Opens a file named 'myText.txt' for reading.
42
Which string method can be used to find the location of a certain character in a string?
отговор
(C)
Find
43
Which is true about nesting selection statements?
отговор
(B)
It can enhance code's modularity and structure.
44
What is the purpose of the 'length' string function?
отговор
(B)
To return the number of characters in a string.
45
What is a key characteristic of a procedure, as described in the provided text?
отговор
(C)
It is a set of programming statements grouped together under a single name.
46
What is a 'subroutine' also known as?
отговор
(C)
Function or Procedure
47
What is the objective of the 'Worked example' at the beginning of the document?
отговор
(B)
To calculate and output statistics for a class of students.
48
Which character is typically used as the multiplication operator?
отговор
(B)
*
49
In the pseudocode example for writing to a file, which command is used to write a line of text?
