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Description
Flashcards by dboardman611, updated more than 1 year ago
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Created by dboardman611
over 9 years ago
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| Question | Answer |
| Operating system | ----------------------------------------------------------- |
| What does a OS do | provides a link between a user and there PC |
| What are two types of interfaces | GUI and CLI |
| What can a OS do? | File management Basic input output system(mouse,keyboard ) Allows software on CPU Security (passwords, user access levels) |
| What is a client OS | Used on laptops,desktops etc simple user friendly |
| What does a anti virus do? | searches the computer for viruses and removes them if found |
| What does a firewall do? | Stops data packets leaving or entering your PC unless you allow them too |
| What does spyware do? | Searches your Pc for software that may take your details or send you ads etc |
| What does disk defragmentation do | it places all the same data together so your cpu doesn't have to take forever finding it all because it is in one place |
| What types of software are there? | Open source and proprietary |
| Advantages of open source? | You can view the code Normally free Always evolving as its always being worked on |
| Disadvantages of open source | More bugs less user friendly Less support |
| Advantages of proprietary | More user friendly Less bugs More support |
| Disadvantages of proprietary | Costs money Cant view code Have to rely on devs to keep it updated and find bugs |
| What different types of networks are there | Star Bus Ring |
| Advantages of star? | If one node goes down the rest can stay up and running No data collisions can happen |
| disadvantages of star? | If the switch goes down it all does costs more than all the others |
| advantages of Bus | Easy to install Cheap cable doesn't cost much |
| disadvantages of Bus | If the main cable breaks it all does A chance of data collisions A pc can see all the data on the the system |
| advantage of ring | Can get data round fast no chance of data collisions |
| disadvantage of ring | If the main cable goes down all the nodes that are connected to it go down if one port goes down it all does |
| advantages of bus | easy to install cheap to make |
| disadvantages of bus | If the main cable goes down it all does Chance of data collisions All Pc's can view whats on the system |
| advantages of ring network | Transfuse data quickly as it all goes one way no data collisions |
| disadvantages of ring network | If the main cable dies it all goes down if one port goes down it all does |
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