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System Software : (What the operating system does? (User Interface -…
System Software
:
Operating System Fundamentals
Operating system basics
a type of system software
OS for Machinery, Networks and Business
UNIX, Green Hills Software INTEGRITY,Free RTOS
OS for Personal Use
comprised of operating system and utility programs
What the operating system does?
OS - Coordinates and directs the flow of data and information
User Interface - enables user to interact with the computer
Command-driven interface
Menu-driven interface
Graphical user interface (GUI)
Manage memory and storage
RAM borrowing hard drive space when there isn't enough room. (Virtual memory)
Manage computer hardware and peripheral
Plug and Play (PnP) - Facilitate the installation of new hardware in PCs by including in the OS the drivers these devices need in order to run
Device driver - facilitates communication between the device that attached to the computer and the OS.
Manage the processor
Interrupt handler
Preemptive multitasking
The Spooler - coordinate all print jobs currently being sent to the printer
File Management
Naming files
File Compression
Open, Copy, Move, Rename and Delete files.
Utility Programs - small applications that perform special functions.
Windows Administrative Utilities
Disk Cleanup
Disk Defragmenter
Task manager and Resource Monitor
File history , file recovery
System restore
File and System Backup Utilities
File history
system restore
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