Computer Hardware and Software

Decision Symbol

A symbol that holds a question that allows program logic to follow divergent paths, and is represented by a diamond.

Terminal Symbol

A symbol that marks the beginning or end of a segment in a flowchart and is represented by a lozenge.

Pseudocode

An English-like representation of the logical steps it takes to solve a problem.

GUI (pronounced gooey)

An acronym for Graphical User Interface and allows users to interact with a program in graphical environment.

OOA

An acronym for Graphical User Interface and allows users to interact with a program in graphical environment.

IDE

An acronym for Integrated Development Environment and is a software package that an editor, compiler, and other programming tools.

OOD

An acronym for Object-Oriented Analysis and is an analyzing a system using an object-oriented approach.

OOP

An acronym for Object-Oriented Program and is a technique that focuses on objects, or "things." It describes the objects' features (or attributes) and their behaviors.

RAM

An acronym for Random Access Memory and is internal computer memory.

CPU

CPU stands for Central Processing Unit. It is the hardware component that processes data.

System Software

Comprises The programs that you use to manage your computer, incluyding operating systems such as Windows or UNIX.

Binary Language

Consists of 1s and 0s , its machine language.

Syntax error

Is an error in language or grammar.

Desk-checking

The process of walking through a program's logic without using a computer.

Interpreter

Translates high-level language into machine language. and indicates if you have used a programming language incorrectly. It translates a program one instruction at a time.

Compiler

Translates high-level language into machine language. and indicates if you have used a programming language incorrectly. It translates the entire program at once.

Program Code

Written computer instructions.

Input

describes the entry of data into the system using hardware devices such as keyboards.

Data Items

include all text, numbers, and other raw that are processed by a computer.

Logical Error

occurs when incorrect instructions are performed, or when instructions are performed in the wrong order.