DB9 connector ShowDB9 connector
The DB9 (originally DE-9) connector is an analog 9-pin plug of the D-Subminiature connector family (D-Sub or Sub-D). The DB9 connector is mainly used for serial connections, allowing for the asynchronous transmission of data as...
Linking two PCs with a null modem cable ShowLinking two computers without network cards
The best way to link two computers is to use an RJ45 cable to connect the machines' network cards. However, when one or both of the computers has no network card, there is still a fairly easy way to...
Uninstall Windows Media 9, 10, 11 ShowUninstall Windows Media 9, 10, 11
Uninstallation of WMP9
This tips is designated to show how to uninstall Windows Media Player completely from your system.
However for version WMP1O and WMP11, you just have to go to Control Panel...
[Ubuntu 9.04] Installing VirtualBox 3 Show[Ubuntu 9.04] Installing VirtualBox 3
You may have noticed VirtualBox is already present in the Ubuntu, but note that only the version 2.x, and without USB support is present.
Here is how to install version 3.x:
wget -q...
What is a switch? ShowWhat is a switch?
A switch is a device used to interconnect several computers to one local area network. They are used in offices and even at home. It operates at the layer two, Data Link Layer of the OSI model. Most network switches...
Download Adium ShowAdium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
Adium X 1.1 and later require Mac OS X 10.4 or greater
If you're using Mac OS X 10.3.9, you'll want Adium 1.0.6.
If you're using...
Download Direct mp3 joiner 3 ShowDirect MP3 Joiner from Pistonsoft is a very powerful software to merge/combine MP3 music files.
You can fastly combine Mp3 files with no need of recompressing and quality loss will never occur.
The sequence of the mp3 files ca be adjusted very...
Download Family Tree Builder ShowFamily Tree Builder is a software of genealogy under Windows.
It gives a very good quality, it takes care of 29 languages and it is one of the best software programs of genealogy.
A simple recording during the 1st use is necessary.
Data transmission - Cabling ShowCabling types
Several physical data-transmission media are available to connect together the various devices on a network. One possibility is to use cables. There are many types of cables, but the most common are:
Coaxial cable
Double twisted...
Introduction to Wi-Fi (802.11 or WiFi) ShowIntroduction to Wi-Fi (802.11)
The IEEE 802.11 specification (ISO/IEC 8802-11) is an international standard describing the characteristics of a wireless local area network (WLAN). The name Wi-Fi (short for "Wireless Fidelity", sometimes incorrectly...
The Wi-Fi link layer ShowData link layer
The data link layer of the 802.11 standard is composed of two sublayers: the Logical Link Control layer (or LLC for short), and the Media Access Control layer (or MAC). The MAC layer defines two different access methods:
The...