In a Java program, where does the program start executing?
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(B)
In the main method
16
What is the main difference between a local and a global variable?
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(C)
Local variables are declared inside a function, and global variables are declared outside any function.
17
When designing an algorithm, what should you consider first?
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(B)
The desired output and the steps needed to achieve it.
18
Which of the following is a characteristic of a good algorithm?
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(B)
It should be efficient and produce the correct output.
19
What is the output of `print(10 // 3)`?
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(B)
3
20
Which of the following are considered string handling methods?
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A
B
21
What is the primary advantage of using nested loops in programming?
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(B)
To repeat a set of instructions multiple times for different levels of iteration.
22
In file handling, what is the purpose of closing a file?
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(C)
To release system resources.
23
Which of these is an example of a valid variable assignment in Python?
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(B)
name = "John"
24
What is a benefit of using a high-level programming language over a low-level programming language?
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(C)
Easier to write and understand.
25
What data type would be used to store the value 'True' or 'False'?
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(C)
Boolean
26
What is the main purpose of comments in programming?
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(B)
To provide explanations about the code.
27
How can you make your program easier to modify and update (more maintainable)?
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(B)
By using meaningful variable names and comments.
28
In a program dealing with student data, what is the likely purpose of a constant declared as `MAX_SUBJECTS`?
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(B)
To define the maximum number of subjects a student can take.
29
Why is modular programming beneficial?
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(C)
It helps with code reuse and makes code easier to manage.
30
In the example given (total and counting), what data structure is being used?
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(B)
Variables
31
What is the purpose of the `FOR` loop in the context of student and subject marks?
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(C)
To iterate through a specified number of subjects or students.
32
What is an 'operand' in a programming context?
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(B)
A variable or value that an operator acts upon.
33
Which data type is used to represent text in programming?
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(C)
String
34
In a one-dimensional array, what typically represents the first element's index in most programming languages?
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(C)
0
35
Which data type is most suitable for storing the number of hours worked?
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(D)
INTEGER
36
Which programming concept is used to repeatedly execute a block of code?
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(C)
Iteration
37
If you want to find the largest value in a set of numbers, what programming construct would you use?
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(A)
A loop combined with a conditional statement.
38
What distinguishes local variables from global variables?
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(C)
Local variables are only accessible within the block (e.g., function) where they are declared; global variables can be accessed throughout the program.
39
What is the purpose of the `OR` operator in a conditional statement?
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(B)
To execute code if at least one condition is true.
40
What does a conditional statement (e.g., `IF-THEN-ELSE`) primarily do?
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(C)
Execute code based on a specific condition.
41
What does DRY stand for in programming principles?
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(A)
Don't Repeat Yourself
42
What is the role of the `break` statement inside a loop?
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(B)
To stop the execution of the loop.
43
What does the `OUTPUT` statement typically require?
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(B)
A variable or expression to display.
44
If you wanted to convert the string "hello" to uppercase, what string handling method would you use?
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(C)
ToUpper()
45
When declaring an array, what determines the maximum number of elements it can hold?
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(C)
The specified size or bounds of the array
46
Which data type is the most suitable for storing someone's age?
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(D)
INTEGER
47
In which programming language can you find the `CASE` statement?
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(D)
All languages that support Selection
48
Which structure is used to execute a piece of code repeatedly?
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(C)
A loop.
49
What is the first line in Python code output?
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(C)
print ('Hello World')
50
Which data type would you use to represent a true or false value in programming?
