Zusammenfassung der Ressource
OPERATING SYSTEM
- WHAT IS AN OPERATING SYSTEM?
- An operating system is a low-level
software that supports a computers
function, such as schueduling tasks.
- WHAT IS THE PURPOSE OF AN
OPERATING SYSTEM?
- Its an essential componet of the system
software in a computer system.
Application programs usually require an
operating system to function.
- WHAT ARE THE MOST COMMON OPERATING SYSTEMS?
- Windows, Apple, Linux and Ubuntu
- FUNCTIONS
- Provides a user
interface
- Booting the computer
- Managing the
hardware and
software
- File
managment
- WHAT IS GUI?
- Stands for graphical user interface. It allows users to
interact with electronic devices through graphical icons
and visual indicators.
- Advantages:
- It can be user friendly
- It can be more
attractive for
non-technical people
- It looks more professional
- Disadvantages:
- When it is not
properly built, it can
be difficult to work
with
- Requires more memory
resource than a
non-graphical one
- Might require installation of
additional software (e.g. running
time)
- WHAT IS A CLI?
- Was the primary means of interaction
with most computer systems until the
introduction of the video display
terminal in the mid-1960s
- Advantages:
- Needs much less memory
(RAM) in order to use it than
other user interfaces
- Uses less CPU processing
time compared to others
- Doesn't require
Windows to run
- Disadvantages:
- Can be confusing for someone who has never used it before
- Commands have to be types precisely; if there is a spelling error the command will fail
- You can't guess what the instruction might be. You've got to know
all the instructions in order to succed