1) Input devices are any devices that input information to the computer - Examples include your keyboard, mouse, microphone, ect.
2) Output devices are any devices that output information from the computer. - Examples include your monitor, printer, headset/speakers, ect.
3) Processing devices are devices that take the information and process it. The most obvious example of this is the Central Processing Unit (CPU) on your computer.
<span>A firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on security rules that are configured by the network administrator.</span>
.png - ability to maintain a transparent background. good for logos.
.jpg - more common image format. used for general image rendering and also has a higher quality than the .png format.
Answer:
Spreadsheet or database depending on how he's setting it up and what tools he's using.
The question makes it sound like Paul wants to store some arbitrary data and does not have any particular tool set up for it, so spreadsheet is probably the "correct" answer.
A database would be used more by developers to build a system that can be used to store such data (e.g. back end on a web site that takes the data).