Guide to Buying a Desktop Computer by Andrew Gates
With the rapid pace of technological developments, nothing has become as ubiquitous as the computer. Everyone's got one. And they are used for all manner of endeavour, by people of all walks of life. So, do you simply buy the computer that someone's selling? ... But memory is a relatively cheap component, and it costs little extra to upgrade to 512 M or greater. ... Faster video cards use an AGP, and this proves a faster data transfer than PCI cards. ... Data transfer rate is critical to video performance.

Data Storage Media – A Guide to Selecting Media For Storing and Backing Up Computer Data by David Haysom
Data, or information stored on your computer, can either be held on fixed disk drives inside the computer or on removable media such as CD's that can be inserted and removed. Removable media can be used to transfer files between computers or to backup the data already existing on fixed disk drives. ... Projects that need to be continuously backed up such as a film script, as it is a cheap alternative. ... Not so good for… Some newer computer and laptop models that do not have a diskette or floppy drive installed.

Seven Things to Consider When Choosing a PDA by Jason Kohrs
In the early days, Personal Digital Assistants (PDAs) were not much more than glorified calculators with the ability to store contact information and brief notes. Now, the line between personal computer and personal digital assistant is blurred thanks to the advanced capabilities of these useful... Your best bet for information on battery life is to seek out independent reviews or owner comments on a PDA of interest. ... Flash memory is fairly cheap these days, but selecting a PDA based on a format that one already uses could be a good idea.