Basics of C

Choose correct syntax to output "Hello World" in c?

• printf("Hello World");  

• Console.WriteLine("Hello World");

• System.out.printline("Hello World");

• cout << "Hello World";

How do you insert COMMENTS in C code?

• # This is a comment

• -- This is a comment

• // This is a comment  

• * This is a comment
  

When a variable is created in C, a memory address is assigned to the variable.

• True

• False

In C, code statements must end with a semicolon (;)

• True

• False

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

• val num = 5;

• num = 5;

• num = 5 int;

• int num = 5; 

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

• num = 2.8 float;

• num = 2.8 double;

• float num = 2.8;  

• val num = 2.8;

Which operator is used to add together two values?

• The + sign  

• The & sign

• The * sign

• The ADD keyword

Which function is often used to output values and print text?

• write()

• printf()  

• output()

• printword()

Which format specifier is often used to print integers?

• %d  

• %s

• %f

• %c

Which operator can be used to compare two values?

• =

• ==  

• <>

• ><