Unit 4 Conditional, variables, loops

A precise sequence of instructions for processes that can be executed by a computer

• computer science

• algorithm

• processing

• output

What is output by line 6?

What is output by the program?

• less than 10

• less than 20

• less than 30

• 30 or more

What is output by the program?

• Option A

• Option B

• Option C

• Option D

• Option E

What is output by the program?

• Option A

• Option B

• Option C

• Option D

• Option E

What is needed to complete the code?

var score

score <- 5

score <- score + 2

score <- "The score is: " + score

• 5

• The score is 7

• 7

• The score is score

• score + 2

A variable with local scope is one that can only be seen, used and updated by code within the same scope. Typically this means the variable was declared (created) inside a function -- includes function parameter variables.

• Short Variable

• Small Variable

• Global Variable

• Local Variable

A variable whose scope is "global" to the program, it can be used and updated by any part of the code. Its global scope is typically derived from the variable being declared (created) outside of any function, object, or method.

• Global Variable

• Local Variable

• Wide Variable

• Limited Variable

 a program designed to run blocks of code or functions in response to specified events (e.g. a mouse click)

• Callback function
• Event handling
• Event-driven program
• Event listener