| A | B |
|---|
| backup | a copy made for safety purposes |
| transient | operating instructions that just pass through |
| system | add a number and get MacIntosh's OS name |
| formatting | preparing a diskette's surface to accept data |
| time slicing | giving each program a piece of the processor's time |
| windows | a gui-based operating systems for PC's |
| DOS | the grandfather of PC operating systems |
| multitasking | juggling more than one task at a time |
| backup | a copy made for safety purposes |
| foreground | the task getting the highest priority |
| virtual | almost memory-things swapped from memory to disk |
| configure | set up to your desire |
| accessories | program group including calendar or notepad |
| single program | describes a less-capable operating system |
| background | a less critical task |
| tree structure | a branching design on disk |
| internal command | something an operating system knows how to do |
| commands | tell a non-GUI operating system, such as DOS, what to do |
| window | the part of a GUI screen that is used to present information |
| Icons | pictures that represent processing options or documents |
| Menu | in a GUI, a list of related options |
| editing | word processing features such as inserting, deleting, cutting, copying, and pasting |
| context switching | one process relinquishes control of the CPU and another starts |
| kernel | part of OS that contains internal commands |
| buffers | areas of memory where input/output data is stored |
| Unix | a preemptive multitasking Operating System |
| multiprocessing | operating systems that allow the CPU to execute different processes simultaneously |
| multithreading | allows multiple threads to execute simultaneously within the same program |
| executive | the "supervisor" |
| restoring | copying data from backup media after a disaster |
| drivers | software programs that connect the os to pieces of hardware |
| program manager | windows "launching pad" |
| file manager | windows "finder" |
| finder | mac's shell for launching programs |
| logical device | a "generic" device from which applications programs receive input or send output |
| decryption | bring data back from hiding |
