Q1 Summative Test 1 in C++

What is a correct syntax to output "Hello World" in C++?

• Console.WriteLine("Hello World");

• cout << "Hello World";

• System.out.print ("Hello World");

• print ("Hello World");

C++ is an alias of C#

• True

• False

• Maybe

• I don't know

How do you insert COMMENTS in C++ code?

• /* This is a comment

• // This is a comment

• # This is a comment

• / This is a comment /

Which data type is used to create a variable that should store text?

• String

• myString

• Txt

• string

How do you create a variable with the numeric value 5?

• num x = 5

• double x = 5;

• int x = 5;

• x = 5;

How do you create a variable with the floating number 2.8?

• x = 2.8;

• byte x = 2.8

• double x = 2.8;

• int x = 2.8;

Which method can be used to find the length of a string?

• length()

• getSize()

• len()

• getLength()

Which operator is used to add together two values?

• The + sign

• The & sign

• The * sign

• The / sign

The value of a string variable can be surrounded by single quotes.

• True

• False

Which header file lets us work with input and output objects?

• #include <iosstring>

• #include <iostream>

• #include <stream>

• #include <inputstr>