What is more valuable a computer or data?
The data itself. PROVIDED you have an up-to-date back-up of your data - a 'lost' computer can be replaced. You CANNOT replace lost data without a back-up.
Although ROM is a crucial component of the modern computer and its ability to store data, its actual function has remained a mystery to many users, and it is often confused with another form of computer memory, RAM. ROM is a storage system that holds valuable data that your computer needs to run properly.
The width of a data bus and the amount of data it can physically carry. It relates to how much data a computer can transfer within itself. A simple way of thinking of it is like a motorway. The more lanes there are on the motorway, the more cars can travel on it. A bus in a computer consists of lines of data being transferred around, so the more that can be carried, the faster…