Unit 3: System Software Flashcards
Application Software
helps computer run specific tasks
System Software
enables application software, general tasks
3 Components of Systems Software
Utility Programs
Device Drivers
Operating Systems
Operating System manages
Manages computer operations:
CPU management
Security management
File management
Task management
Booting
Supervisors (kernel)
manages the CPU, non volatile
Memory Management
OS keeps track of memory locations to avoid overlapping
Task Management
managing operations the computer has to carry out
Device Drivers
enables communication with input/output software, peripheral devices
Utilities
control of computer resources (smoothens operations of computer, handles data, security management)
Graphical User Interface
desktop, icons, menus
3 Principle Categories of OS
1) Stand-Alone
2) Network
3) Embedded
Novell’s Open Enterprise Server (OES) [NOS]
network OS located on main server
Unix, Solaris & BSD [NOS]
multitasking operating system, built-in networking capabilities, used to run backbone of internet
Linux
free version of unix, open-source software (anyone can suggest improvements)
Embedded Operating Systems
resides on CPU chip, used on mobile devices
