Random Flashcards
What is RAM
Random access memory that stores programs and data while it’s been executed
What is dual core CPU mean
It has two processes in one, having two means it can process more intrusions at once making it faster
What does 5 GHz stand for
Clock speed of the processor runs at
Two advantages of star topology and two disadvantages
Data goes straight to the workstation meaning it is faster, if one cuts out the rest will still work also more secure
It cost more and is expensive also it is harder to maintain compared to a bus topology
What does a virus software do
Checks for viruses on your computer. It checks downloaded files, websites and emails. Also keeps a database of the different viruses to check against and constantly updates it
What does a firewall do
It protects you against viruses also tops unauthorised access to your computers, looks and filters data packets also block certain ports if necessary
Name the data types
House number
Postcode
If for sale or not
Int
String
Boolean
What does graphical user interface do
Provides the user a interface which they can interact with the computer using and understand, use a mouse, screen with icons, copy + paste. It will show you an error message instead of crashing straight away.
Syntax error is
Grammar error
Run time error is
Stops the code executing
Logical error is
The logic doesn’t work such as 1 = z- unexpected result.
