Saturday, September 17, 2011

Dustin's Chapter 2 Blog

Virtualization

Virtualization allows you to run multiple operating systems on a single computer. This differs from multi-booting in that it allows you to run multiple operating systems at the same time. Virtualization is more cost effective than multi-boot simply because it does not require expensive hardware upgrades. It's also easier to manage, has a reduced backup time, and allows businesses to consolidate servers.

One example of a virtualization software is VMWare Fusion, shown in the video below:


Saturday, September 3, 2011

Chapter 1 Blog

Categories of Computers:

Mainframe

A mainframe computer is a high performance computer used for large-scale computing purposes that require greater availability and security than a regular computer can offer.

Server

A server is a computer designed to process requests and deliver data to other computers over a local network or the Internet.

Desktop Computer


A desktop computer is a personal computer that is designed to fit conveniently on top of a home or office desk. They are capable of running a wide variety of applications, but they are typically not super computers.

Workstation Computers

Workstation Computers are intended for use by one person, but have a much faster processor and more memory than an ordinary desktop computer.

Laptops 

A laptop, also referred to as a notebook computer, is a personal computer designed for portability. This is the same laptop I have. :)

Portable Devices
Portable devices have a variety of purposes. They generally use proprietary operating systems. Many portable devices are even capable of connecting to wireless networks via wi-fi.