Computer Science I/II Chapters 1 and 2 Review
Chapters 1 and 2.
Terms
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- Hierarchy Chart
- Shows how different parts of the program relate to each other.
- Toggle Key
- A key that has two states. (On/Off)
- GUI
- Graphical User Interface. Pictures and icons to guide.
- Terminal (oval)
- Beginning/end.
- Algorithm
- A step-by-step process to solve a problem.
- George Boole
- Devised an Algebra of logic used in computer design, Boolean logic.
- Tim Berners-Lee
- Proposed the World Wide Web project in 1989.
- Program Development Cycle
- Analyze, Design, Choose the interface, Code, Test + Debug, Document + Maintain.
- Path
- The name of the folder preceded by the names of the larger folders that contain it.
- John Mauchly and J. Presper Eckert
- Built the first large-scale electronic digital general purpose machine. (ENIAC)
- Charles Babbage
- Father of the computer. Designed on paper a mechanical "analytical engine" which influenced modern computers.
- Flowline (arrow)
- Connects symbols and shows the flow of logic.
- Hardware
- The physical components of a computer.
- Flowchart
- Graphically depicts the logical steps to carry out a task.
- Processing (rectangle)
- Data manipulation.
- Paul Allen and Bill Gates
- Co-founders of Microsoft Corporation. Developed the operating system known as MS-DOS.
- Software
- The programs that run on a computer.
- Herman Hollerith
- Founded Tabulating Machine Company. (IMB)
- Input/output (parallelogram)
- I/O operations like reading/printing.
- Tom Button
- Headed the team that developed Quickbasic, Qbasic, and VisualBasic.
- Reynold B. Johnson
- Invented the computer disk drive. It weighed a ton (2,000 pounds) and stored 5 MB.
- Stephen Wozniak and Stephen Jobs
- Co-founders of Apple Computer Inc.
- Disk
- Holds programs or collections of data. (A:\ floppy, C:\ Hard drive, E:\ Disk)
- Decision (diamond)
- Used for logic and comparisons.
- Filespec
- File path + the name of a file.
- Psuedocode
- English-like phrases with some VisualBasic terms.
- Grace M. Hopper
- Wrote the first major subroutine and one of the first assembly languages. Also pioneered the development of COBOL.