intro flash cards

AP Computer Science Intro Flash Cards

Mrs. Lorelei Howard

Problem-solving Formulating a problem, finding a

solution, and expressing the solution

High-level language Language that is easy to read and understand!

Low-level language Easy for the computer to run. (machine

language or assembly)

Formal language Designed for a specific purpose. Programming

languages are considered formal.

Natural Language Languages people speak! Do you speak

Java?

Portability A program that can run of more than 1 kind of computer

Interpret To translate a high-level language one

line at a time.

compile Translate high-level to low-level all at once—so that the program may be

executed.

Source code High-level language program before it is

compiled

Object code Output of the compiler—translated

program.

executable Object code that is ready to run. Usually

Byte code Java object code. Like low-level, but it is

portable

statement Part of a program that needs computation

(working out—causes something to happen)

Print statement Causes output to appear on the screen

comment Contains information about the succeeding statements (explains what is happening in the code).

No effect on the actual program.

method Collection of statements

class Named collection of methods

library Collection of class and method definitions

bug Error in the program

syntax Structure of a program (like punctuating a sentence correctly)

semantics Meaning of a program

parse To look through and examine a program

Syntax error Error which does not allow the program to

compile.

ExceptionOr

Run-time Error

Program fails at run-time

Logic Error Program does not do what it is supposed to do! (The computer only does what

you tell it to do )

debugging Getting rid of syntax, run-time and logic

errors.

French Braces{ }

Used in Java to group things together

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