Category Archives: Glossary

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.

Replacing the battery in an iPod

iPods are a great invention; however, many have complained about the lack of playtime and poor battery life. Previously, replacing an iPod battery was next to impossible. So, when your battery dies, it’s time for a new iPod. This of course proved to be extremely expensive.  We teach you how to replace your own iPod battery at a… Read More »

What is ODBC ?

ODBC (Open Data Base Connectivity) is a function library which provides a common API (Application Programming Interface) for ODBC compliant database management systems. ODBC was developed by the SQL Access Group in 1992. ODBC operates as an industry-standard “shim” between applications which utilize databases and the databases themselves.

What is LDAP?

Lightweight Directory Access Protocol or LDAP is a TCP/IP-based Internet protocol used by email programs and a few other applications to search and fetch information from a directory stored on a server. A directory is a data repository storing identical chunks of information in a hierarchical and logical sequence.

What is a Datacenter?

Why is it important to have a data center for that matter? A data center is a facility that will house a good amount of the electronic equipment (and information) that a business or group has and needs. There will be computers and communication elements in this area as well as a number of other vital components to… Read More »

MS SQL Locking and Concurrency

SQL Server has no multi-version consistency model, which means that “writers block readers and readers block writers” to ensure data integrity. In contrast, with Oracle, the rule is “readers don’t block writers and writers don’t block readers.”