AP CSA Unit 1

Front

What is a variable in programming?

Back

A named storage location that holds a value.

Front

What is the purpose of functions in programming?

Back

The purpose of functions in programming is to group a set of instructions together and give them a name.

Front

What are the different types of loops in programming?

Back

for loop, while loop, do-while loop

Front

How do you declare a variable in Java? Options: int number;, int num;, variable num;, declare num;

Back

int num;

Front

What is the syntax for defining a function in Python?

Back

def function_name(parameters):

Front

What is the difference between a while loop and a for loop?

Back

A while loop repeatedly executes a block of code as long as a specified condition is true, while a for loop executes a block of code a specified number of times.

Front

What is the scope of a variable?

Back

The scope of a variable refers to the part of a program where the variable is accessible.

Front

How do you use a for-each loop in Java?

Back

Use the 'for-each' loop to iterate over elements in an array or collection in Java.

Front

What is the purpose of a return statement in a function?

Back

To specify the value that the function should output or return.

Front

What is an infinite loop and how can it be avoided?

Back

An infinite loop is a loop that continues to execute indefinitely because the loop condition is always true or there is no exit condition. It can be avoided by ensuring that there is a proper exit condition in the loop or by using control statements like break or return to exit the loop when necessary.