Basics 2 min read
Upgrading a Computer
When you upgrade a computer, you usually replace older components with newer components to improve the computer’s performance. You can…
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Basics 1 min read
Computer Performance
Wondering why your neighbor’s computer is so much faster than your computer? There are a number of reasons why a…
Basics 1 min read
Memory Cache
A memory cache increases a computer’s performance by storing the most recently used data. There are two types of cache:…
Basics 1 min read
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…
Basics 2 min read
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…
Basics 2 min read
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…
Basics 1 min read
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…
Basics 3 min read
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…
Basics 1 min read
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…
