Prefix Notation
When you’re preparing to pass the CCNA exam and earn this coveted Cisco certification, you’ve got to be totally prepared for the many kinds of binary and subnetting questions Cisco may throw at you.
Category Archives: Glossary
Static VLANs
Earning your CCNP certification requires you to add to your knowledge of VLAN configuration. When you studied for your CCNA exam, you learned how to place ports into a VLAN and what the purpose of VLANs was, but you may not be aware that there are two types of VLAN membership. To pass the exam, you must know… Read More »
Five Hardware Myths
The big boys in the computer industry want you to continue thinking the way you are. The major desktop computer manufacturers thrive on consumers lack of knowledge and old ideas about desktop computers and computer hardware to drive sales of new desktop computers.
How Computers Add
You probably realize that the ‘standard’ PC code is in 8 bit bytes taking the hex system a stage further. You may also know that processors, and Windows software that runs on them, have progressed from 8 bits to 16 bits to 32 bits to 64 bits. Basically this means the computer can work on 1,2, 4 or… Read More »
What is a Backbone?
A high-speed line or series of connections that forms a major pathway within a network. The term is relative as a backbone in a small network will likely be much smaller than many non-backbone lines in a large network.
What are Runtime Errors?
Runtime errors are glitches or problems that occur when a computer program is executed. Because a wide range of errors is usually grouped under the collective term of a runtime error, the operating system usually provides some information about the nature of the error that has occurred. The message provides the end user or the technician with some… Read More »
What is LSASS.exe ?
LSASS stands for Local Security Authority Subsystem Service. It’s a crucial component of the Windows operating system, responsible for enforcing security policies on your computer. Think of LSASS.exe as the security guard of your digital world, working tirelessly behind the scenes to keep your system safe and secure.
Memory Card Speed defined
In a few short years since the launch of the first 4Mb flash memory card, the number of flash memory cards available for digital cameras and other devices has exploded with a number of different formats and speeds of memory card. It’s no wonder the average person is totally baffled by this plethora of memory cards.
Why Defrag?
Defragging is process done to a hard disk in order to improve performance and recover some lost disk space. Defragging is an essential part of a PC’s upkeep as it keeps all the data on your hard disk in an easily readable order.
Power supply replacement overview
A bad or failing power supply can cause many problems such as your computer rebooting itself randomly or not coming on at all. Here we will explain how to replace the power supply and what to look for in a new one.