Glossary of Terms for HU2644


The terms listed here will grow as we progress through the semester. Check this list often if you meet a word that confuses you. If it does not appear in the Glossary, send me an email (jasheppa@mtu.edu) and I will add it to the listing.

Term Definition

ASCII
Ameican Standard Code for Information Interchange.
Bit One unit of data, either a zero or a one.
Bus Transfers data from device to device. It is only as fast as the devices it serves.
Byte Eight bits.
Cache
Very fast memory, the last place for data storage before it enters the CPU. Makes CPU operate more efficiently.
CPU Central Processing Unit - actually does the work in the computer.
Desktop The opening Windows screen. It has icons on it and a background.
Drive A place where memory is stored.
Directory A folder for organizing documents and other files.
FAT File Allocation Transfer - keeps track of where files are in a storage unit.
File An individual document, graphic, etc, created with a piece of software. It should have an extension (i.e., .exe, .gif, .jpg) which indicates which software created it. Can also be called an object.
Floppy or Diskette a storage device for information, holds 1.4 megs usually. Name derives from larger disks which were 'floppy.'
Folder A subdirectory which contains files.
Gigabyte or Gig Abillion bytes.
Input Device Moves data into a machine.
Kilobyte or K One thousand bytes.

Left-Click
To push the left button on the front of the mouse.
Megabyte or Meg One million bytes.
Menu Bar Across the top of a window. Has drop-down lists of actions.
Modem Modulate and Demodulate what the device does that receives and sends information over phone lines.
Netiquette Behavior standards on the Internet, in chat rooms, and in email. How you behave on the Net.
Output device
Destination for the information being generated by the program working with the data.
Password Originally the user's student number, it is the secret that gets you into your home directory. When changing it, it must have at least two characters that are NOT letters.
Pixel One dot on the screen, can only vary in color and intensity. It takes eight bits to define the pixal.
Platform
The operating system on the machine, usually IBM (PC) or acIntosh, but could also refer to Unix, Sun, linux, etc..
RAM Random Access Memory - data storage that allows data to be pulled from any location, not sequential.
Right-Click
To push the button on the right side of the mouse.
ROM Read Only Memory - can not be altered, only read by the computer.
SubDirectory A folder inside a folder to facitltate organization.
Toolbar
Usually down the side of the window. Allows user to change tools they work with on the screen.
Unix
An operating system that works across platforms.
userID

The (up to) eight letter combination used to sign into the computer. It consists of your first two initials and the first six letters of your last name.

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