WinDirStat is a disk usage statistics viewer and cleanup tool for all current verions of Microsoft Windows.

What is a folder with the file extension {ED7BA470-8E54-465E-825C-99712043E01C} and what can you do with it? In 32-bit Vista and Windows 7 you can create an empty folder with that name and suddenly have instant access to many configuration options in one place.

goog-malware-shavar is Google's anti-phishing API. Google uses it to identify malware, specifically phishing. Google provides data for the anti-phishing feature implemented in the Firefox and Chrome browsers and Google Desktop. These clients get their blacklist and whitelist data using an "update protocol".

File compression is commonly used when sending a file from one computer to another over a connection that has limited bandwidth. The compression basically makes the file smaller and, therefore, the sending of the file is faster.

In the keyboard are little switches. When you press a key one of the switches is activated and when you release that key the switch is activated again. Each key on the keyboard has its own code that it sends when pressed and when released; this is called its scan code.