C++ Basics for Grade 7 Students

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

• double

• int

• char

• float

Which control structure is used to execute a block of code repeatedly as long as a condition is true?

• while loop

• if statement

• for loop

• switch case

What is the purpose of a function in C++?

• The purpose of a function in C++ is to encapsulate a set of instructions that perform a specific task.

• The purpose of a function in C++ is to confuse the programmer.

• Functions in C++ are used for decorative purposes only.

• Functions in C++ are designed to slow down program execution.

Which loop structure is used when the number of iterations is known?

• do-while loop

• for loop

• while loop

• if-else loop

In C++, how do you check if a condition is true before executing a block of code?

• if (condition) then { // code block to execute }

• while (condition) { // code block to execute } else { // code block to execute }

• for (condition) { // code block to execute } else if (condition) { // code block to execute }

• if (condition) { // code block to execute }

What is the keyword used to declare a variable in C++?

• int

• var

• integer

• char

What is the data type used to store decimal numbers in C++?

• double

• char

• integer

• floating

Which control structure is used to make decisions in C++?

• for loop

• while loop

• if statement

• do while statement

What is the syntax for defining a function in C++?

• void functionName() {
    // code to be executed
  }

• return_type function_name(parameters) // function body

• function_name(parameters) { // function body }

• return_type function_name(parameters) // function definition

Which loop structure is used when the number of iterations is not known beforehand?

• for

• if

• while

• switch