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Across 4. NOT, AND, and OR, which evaluate to a Boolean value. 6. allows a program to change the value represented by a variable 7. an ordered sequence of characters. 9. a named group of programming instructions. Also referred to as a “procedure”. 12. an ordered collection of elements 14. a common method for referencing the elements in a list or string using numbers 15. <, >, <=, >=, ==, != indicate a Boolean expression 16. an individual value in a list that is assigned a unique index

Down 1. affect the sequential flow of control by executing different statements based on the value of a Boolean expression. 2. manage complexity in programs by giving a collection of data a name without referencing the specific details of the representation. 3. a data type that is either true or false. 5. a repetitive portion of an algorithm which repeats a specified number of times or until a given condition is met. 8. occurs when the ending condition will never evaluate to true. 9. a command that executes the code within a function 10. a combination of operators and values that evaluates to a single value 11. the process of accessing each item in a list one at a time. 13. a named reference to a value that can be used repeatedly throughout a program.