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38 Cards in this Set
- Front
- Back
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A computer system
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All the components required to process and store data using a computer.
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Hardware
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The set of physical devices in a computer system
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Software
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The set of programs that tells a computer what to do.
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Programs
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The sets of executable instructions written by programmers
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Programming
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The act of developing and writing software instructions.
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Application software
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All programs that are applied to a task
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System software
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Programs used to manage a computer
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Input
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Describes the entry of data into a system using hardware devices such as keyboards and mice
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Output
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Describes the operation of retrieving information from memory and sending it to a device,
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Program code
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Written computer instructions
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Coding the program
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The act of writing program instructions
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Syntax
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Consists of rules
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Syntax error
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An error in language or grammar
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Run
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A program is to carry out a programs instructions
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Execute
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A program is to carry out a programs instructions
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Compiler
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Translates high-level language into machine language, shows error in syntax, and translates an entire program at once
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Interpreter
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Translates high-level language into machine language, shows error in syntax, and translates a program one instruction at a time
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Source code
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Statements you write in a programming language before they are translated to object code
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Object code
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Machine language statements that have been translated from source code
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Logical error
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Occurs when incorrect instructions are performed or when instructions are performed in the wrong order
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The attributes of an object
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Are the features it has
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State of an object
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Made up of its attributes' values
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Behaviors of an object
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The things it does
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Object Oriented Approach
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Involves defining the objects needed to accomplish a task and developing the objects so that each maintains its own data and carries out tasks when another object requests them
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GUI
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Allows the user to interact with a program in a graphical environment
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Object oriented analysis
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analyzing a system using an object oriented approach
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Object oriented design
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Designing a system using an object-oriented approach
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Relationships
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Describe how objects communicate with and react to each other
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Class
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A category of objects
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Conversion
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The entire set of actions an organization must take to switch over to using a new program or set of programs
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Psuedocode
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An English like representation of the logical steps it takes to solve a problem
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Flowchart
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A pictorial representation of the logical steps it takes to solve a problem
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Conventions
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Standards of format and style that are selected for consistency
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Processing symbol
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Contains processing statements and is represented by a rectangle
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Output symbol
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Contains an output statement and is represented by a parallelogram
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Terminal symbol
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Marks the beginning or the end of a segment and is represented by a lozenge
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Decision symbol
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Holds a question that allows program logic to follow divergent paths, and is represented by a diamond
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Flow lines
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Arrows in a flowchart that show the sequence of steps carried out
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