Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
What is a computer? |
A computer is anything that has: Input, Storage, Processing, Outputs. |
|
|
Reliability of computers |
It is important that computer systems are reliable because we use them all the time. If they malfunction people could: Lose money, Lose information, Damage equipment, Get hurt. |
|
|
Standards |
Standards mean a set of rules that manufacturers follow when they make hardware or software. |
|
|
Proprietary standards |
Standards controlled by one company (eg IOS) |
|
|
Open standards |
Standards created by volunteers that anyone can use (eg HTML, WWW) |
|
|
De-facto standards |
Standards that are so widely used everyone starts using them. |
|
|
Computer misuse act |
This makes it illegal to access computers without permission |
|
|
Data protection act |
This makes it illegal for people to sell on personal data without the subjects permission |
|
|
Regulation of investigatory powers act |
This makes it illegal for the government to read your e-mails and tap your phone. |
|
|
Health and safety at work act |
This means employers have to provide equipment so employees don't get hurt whilst using computers |
|
|
Copyright act |
This makes it illegal to distribute artistic work without the owners permission |
|
|
Computers and the environment |
When they are created: They are made of lots of minerals like gold which need to be mined and plastics which come from oil. When they are used: They are powered by electricity which is created by burning fossil fuels. When they are disposed of: They contain lots of toxic chemicals like lead and mercury then can get into water supplies and harm the environment. |
