Chapter 5 Flashcards
What are the two main types of programs within the system software category
operating system and utility programs
How are the operating systems categorized?
by the type of device they are installed on
has a specific simple device, for example a robotic camera
RTOS
This is required by network servers and it prioritizes tasks. It’s also called the network operating system
Multiuser
Give two examples of Mobiles OS
android; iOS
Describe windows
by microsoft, user friendly and visually, made for home use, replaced DOS
Describe MAc
apple, first OS with GUI with point and click technology
Describe Linux
open source operating system, can be modified
Dos
command driven operating system
what determines a computers platform
operating system and processor
Five main functions of the operating system
- manages computer hardware and peripherals (keyboard and mouse)
- provides consistent interaction between apps and cpu
- manages processor
- manages memory and storage
- provides user interface
what type of user interfaces do OS support?
command driven, menu driven, GUI
Briefly explain the OS role in processor management
it arranges the execution of multitasking activites
what is the OS’s role in managing memory resources?
it uses ram for storage and then it clears it when it is no longer needed
how is virtual memory used as part of memory management
borrowing hard drive space when Ram is full
what is the purpose of a device driver?
middle man program between the device OS, aka, a translater
explain plug n play (pnp)
facilitates the install of new hardware; ex the wizard that pops up when you get a new printer
can immediately recognize a device, example flashdrive
hot plugging
operating system code apps used to interact with CPU, ex is google map on yelp
api
what is the OS role in file management
open, copy, move, rename, delete, recycle bin/trash
what is the significance of a file name extension
shows file type
what determines the file location
file path
reduces file size ex winzip and stuffit
file compression
rearranges files on your hard drive to allow for faster access of files
disc defrag
