Zusammenfassung der Ressource
operating
system/Building PC
- Purpose of the operating system
- The operating system manages certain aspects of the
computer so the users doesn't have to,it can have a
graphical interface (GUI) and/or a command line
interface (CLUI)
- Building PC
- Keywords
- RAM
- Random Access Memory
- Ram allows data to be read and written.
- Optical Drive
- Memory stick
- CD's
- DVD's
- It uses laser to read data on a CD or DVD
- ROM
- Read Only Memory
- It contains instructions that the computer to uses to boot up
- mother board
- Allows different components to
commmunicate with each
other.
- Hard Drive
- Is what stores all of your data( files and folders).
- CMOS batery
- The battery that sets the time and date on the computer and when you take it out it goes back to defult
- Input Devices
- Mouse
- Keyboard
- Microphone
- output Devices
- moniter
- Printer
- Speakers
- Utility Software
- Anti-Virus
- Finds and quarantines virus in the computer the user then
gets the choice on whether they want to delete it or not
- Disk Fragmenter
- Firewall
- Automatic updates
- Network topolohgies
- ring network
- Sends one data packet one way round to the
correct nodes. However it cannot go the
opposite way in a ring network.
- The ring nwtwork is the cheeper and
easiest to set up out of the three networks.
- If one nodes is removed from the network then the
whole network will break down because it cant
pass the gap between the node that is broken.
- Network topologies
- Bus network
- Advantages
- If one node breaks the
system will still work as if
the node didn't break
- Disadvantages
- Custom Written
- Advantages
- If there is any bugs with it the user can
tell the people who made it that there is
something wrong with it.
- It is designed only for the
people who want it.
- Disadvantages
- Really expensive
- Takes time to make because you have to make sure
that it is working properly before they can give it to
the person who wants it.