System Design Basics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| hardware | the machines, wiring, and other physical components of a computer or other electronic system
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| software | the programs and other operating information used by a computer
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| peripheral | computer device that is not part of the essential computer
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| network | a group of two or more computer systems linked together
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| resources | any device that can be used or data or routines that are available to programs
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| client | an application that runs on a personal computer or workstation and relies on a server to perform some operations.
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| server | computer or device on a network that manages network resources.
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| email server | a computer within your network that works as your virtual post office.
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| router | A device that forwards data packets along networks, is connected to at least two networks and located at gateways.
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| firewall | hardware, software or a combination designed to prevent unauthorized access to or from a network.
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| stakeholder | a person with an interest or concern
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| system flowchart | is a concrete, physical model that documents, in an easily visualized, graphical form, discrete physical components (programs, procedures, files, reports, screens, etc.).
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| data flow diagram | is a graphical representation of the information interchange and transformation through a system.
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| structure chart | is a graphical representation which shows the breakdown of a system to its lowest manageable levels.
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| design cycle | problem solving method which includes a feedback loop to make changes in the product as it is being created.
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| iteration | a single pass through a group of instructions
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| end user | the individual who uses a product after it has been fully developed and marketed.
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| usability | describes how well users can utilize a program or system.
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| digital devices | a piece of electronic equipment which uses discrete, numerable data and processes for all its operations.
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| accessibility | the privilege to use computer information in some way.
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| user interface | a set of commands or menus through which an human communicates with a program.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
shoemaker
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