Every story.

Memory

Most people know that a computer has memory. But what does that really mean? You often hear techies toss around…

Central Processing Unit (CPU)

Inside the computer case, hidden amongst all the wiring and gizmos, is a particularly important part of the computer known…

Upgrading a Computer

When you upgrade a computer, you usually replace older components with newer components to improve the computer’s performance. You can…

Computer Performance

Wondering why your neighbor’s computer is so much faster than your computer? There are a number of reasons why a…

Memory Cache

A memory cache increases a computer’s performance by storing the most recently used data. There are two types of cache:…

Common Types of Expansion Cards

v  An expansion card plugs into a computer‘s motherboard to give it additional capabilities. v  A computer communicates with its expansion cards…

System Bus and Expansion Cards

You’re furious! You just bought an expensive digital camcorder only to find out that it can’t connect to your computer…

What’s on the Back of a Computer Case?

The Back of a Computer (Ports)

When you look at the back of a computer, you may feel a bit overwhelmed by all the slots and…

The Inside of a Computer

Now that you know what’s on the outside, let’s crank open that mysterious computer case and look inside. But no…

Types of Operating System

Real-time Operating System: It is a multitasking operating system that aims at executing real-time applications. Real-time operating systems often use…

On line Real Time Processing

On Line Processing: In on line processing the transaction data is directly sent to secondary on-line storage devices by the…