AP Computer Science Principles (Final Exam part 2)

Front

According to ASCII character encoding, which letter is represented by the binary (base 2) number 1010100?

Back

T

Front

What code should Jasmine insert where it says in order for her app to work? Options: cart total = 1; , cartTotal + 1; , cartTotal = cartTotal +1; , var cartTotal = cartTotal + 1; , var cartTotal + 1;

Back

cartTotal = cartTotal +1;

Front

What is a possible output when the following code segment executes? The ending position of the turtle is shown in each diagram. The starting position is shown as a white triangle in cases where the turtle starts and ends in different locations.

Back

Front

A Boolean expression is an expression that evaluates to which of the following? Yes/Maybe/No, Any Integer, Integers between 1 and 10, Any single character

Back

True/False

Front

Consider the following segment given in pseudo code. What will be displayed if grade is set to 70? Options: You passed! , Time to start studying again! , You passed! and Time to start studying again! , Nothing will be displayed , An error will occur on line 7; you cannot have an IF inside an ELSE statement

Back

You passed!

Front

Back

Front

Which of the following is true about while loops? While loops terminate after a fixed number of loops that is pre-determined , While loops terminate after a fixed number of loops that is determined after the loop executes once. , While loops run as long as a given boolean condition is true. , While loops run as long as a given boolean condition is false. , While loops are known as "forever loops" and never stop until the program is halted by the user.

Back

While loops run as long as a given boolean condition is true.

Front

Which variable is named correctly? BlueFish, Bluefish, blueFish, BLUEFISH

Back

blueFish

Front

Which of the following is the best definition for callback function? Options: Program designed to run blocks of code or functions in response to specified events (e.g. a mouse click), Coding tasks involved in making your app respond to events by triggering functions., Function specified as part of an event listener; it is written by the programmer but called by the system as the result of an event trigger., A command (onEvent in App Lab) that can be set up to trigger a function when a particular type of event occurs on a particular UI element.

Back

Function specified as part of an event listener; it is written by the programmer but called by the system as the result of an event trigger.

Front

What is a Conditional Statement?

Back

A part of the code that allows you to perform different actions depending on which is true or false