C Programming Basics for Grade 1

What is a data type in C?

• A data type in C is a classification that specifies which type of value a variable can hold.

• A data type in C is a color used for highlighting code

• A data type in C is a musical instrument

• A data type in C is a type of computer mouse

What are variables used for in C?

• Variables in C are used to play music

• Variables in C are used to make coffee

• Variables in C are used to store and manipulate data within a program.

• Variables in C are used to predict the weather

What is the syntax for an if-else statement in C?

• if (condition) { // code to be executed if the condition is true } else { // code to be executed if the condition is false }

• if (condition) { // code to be executed if the condition is true } else { // code to be executed if the condition is false }

• if (condition) { // code to be executed if the condition is true } else { // code to be executed if the condition is false }

• if (condition) { // code to be executed if the condition is true } else { // code to be executed if the condition is false }

How do you declare an integer variable in C?

• int variableName = 0;

• int variableName;

• variableName = int;

• integer variableName;

What is the purpose of using comments in C?

• To make the code harder to read

• The purpose of using comments in C is to provide additional information and explanations within the code.

• To slow down the code execution

• To confuse other programmers

Explain the concept of a loop in C.

• A loop in C is a dance move

• A loop in C is a programming construct that allows a set of instructions to be executed repeatedly based on a condition.

• A loop in C is a type of knot

• A loop in C is a type of fruit

What is the difference between '==' and '=' in C?

• '==' is used for subtraction, and '=' is used for addition.

• '==' is the equality operator, and '=' is the assignment operator.

• '==' is used for logical operations, and '=' is used for bitwise operations.

• '==' is used for assignment, and '=' is used for comparison.

How do you define a constant in C?

• const int NUM = 5;

• const NUM = 5

• define NUM as 5

• int NUM = 5

What is the role of the 'printf' function in C?

• The 'printf' function in C is used to read user input

• The 'printf' function in C is used to print formatted output to the standard output.

• The 'printf' function in C is used to create graphical interfaces

• The 'printf' function in C is used to perform mathematical calculations

What is the 'sizeof' operator used for in C?

• It is used to determine the size of a data type or a variable in bytes.

• It is used to print the size of a variable on the console

• It is used to convert a data type to another data type

• It is used to check if a variable is initialized