SAQ: Comments, Operators & Typecasting

What is the primary purpose of comments in C programming?

• To make the code run faster

• To increase the program's memory efficiency

• To document and explain code functionality

• To debug syntax errors automatically

Which of the following is the correct syntax for a single-line comment in C?

• // Comment

• /* Comment

• {# Comment #}

In C programming, what is the proper way to write a multi-line comment?

• // Comment line 1

  // Comment line 2

• // Comment line 1

  Comment line 2//

• {* Multiple lines of comments *}

• /* Multiple lines of comments */

What best describes the impact of comments on program execution?

• Comments are converted to machine code

• They slow down program execution

• They are completely ignored by the compiler

• They increase program file size during runtime

What is an operand in C programming?

• A symbol that represents a specific operation to be performed

• A function that performs mathematical calculations

• A keyword used to declare variables

• A value or variable on which an operator acts

Which is considered a best practice when writing comments in C?

• Commenting every single line of code

• Using comments to explain complex algorithms

• Writing comments in multiple languages

• Repeating the exact code in comment form

Which of the following represents a poor commenting practice?

• Writing comments that explain complex business logic

• Stating the obvious that's clear from the code itself

• Using consistent comment style throughout the project

• Documenting function parameters and return values

Which operator is used for modulus (remainder) in C?

• %

• /

• #

• &

What is the result of the expression 5 / 2 in C when both operands are integers?

• 2.5

• 2

• 3

• 2.0

Which operator has the highest precedence in C?

• =

• +

• *

• ()