C Module 1

Which of the following is the correct order of steps in problem-solving using programming?

• Flowchart → Algorithm → Coding

• Problem Definition → Algorithm → Flowchart → Coding

• Pseudo code → Debugging → Coding

• Design → Testing → Compilation

What does a flowchart use to represent a decision?

• Rectangle

• Diamond

• Parallelogram

• Circle

Which of these is not a characteristic of structured programming?

• Use of sequence

• Use of selection

• Use of GOTO statements

• Use of modularity

Which of the following is not a component of pseudo code?

• Logical steps

• Conditions

• Syntax-specific keywords

• Loops

The main advantage of using algorithms is:

• Easy to understand problem logic

• Requires less memory

• Does not need programming skills

• Avoids compilation errors

Which of the following is a valid variable name in C?

• 1value

• my-value

• value1

• #value

Which keyword is used to define a constant in C?

• const

• #define

• static

• fixed

What will be the size of int data type in a 32-bit system?

• 8 bytes

• 4 bytes

• 2 bytes

• 1 byte

Which of these is not a valid C data type?

• int

• float

• real

• char

The correct syntax for reading input using scanf is:

• scanf("%d", &a);

• scan("%d", &a);

• scanf("%d", &&a);

• input("%d", &a);