CC102 - part 2

Flowcharts & Pseudocode

5

Which shape is used to represent a process in a flowchart?

Rectangle

10

In pseudocode, what is the purpose of 'IF'?

To make decisions

15

How many branches follow a decision in a flowchart?

2

20

If a flowchart asks 'Is number < 0?' and the input is 10, what happens?

End process

25

In a flowchart, if there is a step labeled 'Calculate total cost' but no input for cost is provided, what can you conclude?

The flowchart is incomplete

Syntax and Structure

5

What is the correct syntax for including a header file in C?

#include <stdio.h>

10

In C, what is the role of curly braces '{ }' in a program?

To define the start and end of a block of code

15

What does the statement 'return 0;' signify in the main function of a C program?

The program has executed successfully

20

Evaluate the following code structure: '#include <stdio.h> int main() { printf("Hello World!") return 0; }'. What will be the output of this program?

Error

25

Analyze the following code structure: '#include <stdio.h> int main() { return 0; }'. What does the '#include <stdio.h>' statement do?

Includes standard input/output functions

Data Types

5

What data type is used to store whole numbers in C?

int

10

What type of data does 'double' store?

Decimal numbers

15

Which of the following data types can hold the largest value?

double

20

If you want to store a value with decimals, which data type would you use?

Float (4bytes) & Double (8bytes)

25

Given a variable 'x' of type float initialized with the value 7.2503, what will be the output when using the format specifier '%.2f' in printf?

7.25

Variables and Constants

5

What keyword is used to define a constant in C?

const

10

Can a variable start with a number?

NO

15

What is the scope of a variable?

Where the variable can be accessed

20

Analyze the following code snippet: int x = 5; x = x + 9; x = x - 4; . What will be the final value of 'x'?

10

25

Given the declaration 'const int MAX = 80;' and the attempt to change 'MAX' to 50 later in the code, what will happen?

Error

Arithmetic Operators

5

What does the '%' operator return?

The remainder

10

If 'a' is 9 and 'b' is 2, what will be the result of 'a - b + 3'?

10

15

What does the '%s' format specifier in C print?

String

20

If 'x' is 12 and 'y' is 4, which of the following expressions results in the highest value: 'x + y', 'x * y', or 'x - y'?

x * y

25

What will be the output: 'printf("%d", 10 - 7 + 3 * (10 / (5 - 2)) )'?

12