Computer Memory Options by Michael Russell
When you first purchase a computer, it may possess limited memory. Nevertheless, if you so choose, you can upgrade your computer memory later on down the road. The reasons for upgrading your computer memory may vary, but with the purchase of additional hardware, you can easily upgrade your... You will need to know who manufactured your computer, the precise product line and the model so that you get the correct memory for your computer. ... For example, if you currently have 256 Megabytes of RAM (Random Access Memory) and you want your home computer to run more efficiently, you may want to...

OSI Layers Model by Kashif Raza
Introduction During the early years of our modern computer era, very few standards and protocols existed between various manufacturers. However, as time went on and computer technology continued to improve and become more widespread, it became apparent that standards would be necessary to... Although it does not actually perform any functions or do any of the actual work, the OSI model defines the way things should be done by the software and hardware on a network so that communications can take place between two computers or nodes.

The Value of IT Certifications in Career Development by Natalie Aranda
Information technology (IT) is the branch of engineering dealing with the use of computers and telecommunications, developing and maintaining systems as well as retrieving, storing and transmitting information. Therefore, any person wanting to develop a career in IT should be aware of the value... IT Certifications in career development add valuable credentials for IT professionals in a competitive industry where a certification for jobs like these is needed at the same time that learning is necessary due to the constant changing business environments A+ Certification prove the competency...

Computer Diagnostics 101 by Natalie Aranda
If your PC is sluggish, the screen freezes more, the hard disk makes strange noises and/or you reboot frequently due to error messages then computer diagnostics are essential to sort out the trouble. A complicated machine is bound to have trouble in delivering every time, smoothly. ... Computer diagnostic tools flood the markets in both software and hardware form. ... The costs of computer diagnostic software is higher than the cost of computer data recovery software, as the later does a myriad of functions that includes identifying, analyzing and trouble shooting that also includes data...

Microsoft Certified Systems Engineer (MCSE) by Smita Mathur
The IT professionals generally face the most challenging roles in the decision making jobs. In the networking field many Microsoft Operating System Software are implemented through the Microsoft Certified Systems Engineer certification (MCSE) on the desktop and server. ... The MCSE certification courses cover the different software, hardware and networking subjects to meet the rising demands of their IT professionals. ... The 70-210 series of Windows Server 2003 Network Planning MCSE Course is designed to assist in learning or gaining knowledge and skills required for installation,...

Computer Skills: Which Ones Your Staff Needs by Joshua Feinberg
Don't worry too much if you lack advanced technical computer skills. A lot of that can be remedied by just putting in a little bit of time each week in doing some self-study. In this article, you'll learn which computer skills are necessary to serve your sweet spot small business clients. ... The Bottom Line about Computer Skills In this article you've learned about which technical computer skills are necessary to service your sweet spot clients. ... But all of these companies, especially Microsoft, put a lot of money into making it easier for people who don't have advanced IT backgrounds...

Overview of Major IT Certifications by Natalie Aranda
In today’s competitive IT job market, an IT certification is often a prerequisite to get a high-paying job or a salary increase. Professional certifications are the best way to demonstrate your skills and expertise in any given technical field to present to prospective employers. ... A+ Certification A+ certification is different from the others because it is not promoted by one company only, but by a whole group of PC manufacturers and other companies in the hardware market and its acceptance as an industry-wide credential offers additional benefits.

Local Area Networks - Computer Networking by Michael Cooper
Local Area Networks also called LANs have been a major player in industrialization of computers. In the past 20 or so years the worlds industry has be invaded with new computer technology. It has made such an impact on the way we do business that it has become essential with an ever-growing need... A computer that receives the token is given permission to send a packet of information or, if the computer has no packet to send, it passed the token to the next computer.”(Local Area Network Microsoft 2000) I know that it is complicated to understand, but for the actual user the software takes...

Data Recovery Tips by Paul MacIver
If you have ever faced the loss of data, you will know what it’s like to have anxiety over severe trouble with your server, hard disk or RAID health. This is however, a time for some caution in terms of time and money. Data recovery can sometimes be worked out yourself, with help of software and... Hardware Crash: If you have detected that your hardware is at fault and has crashed, by no means try the normal shutting down procedures. ... • Computer or hard drive does not function at all, like no booting is possible.

Huntsville, AL Offers Municipal WiFi Offering That Makes Sense by Kurt Uhlir
For the past several years, municipalities across the country have talked about and even begun implementing free WiFi offering. Many critics of these plans have claimed that cities have no business offering free high-speed wireless access as it competes with local telephone companies, cable... Some municipalities have proposed offering WiFi for a cost and simply providing free services for low-income households, but this still leaves the cost of the initial computer hardware as a barrier to internet access and moves the city into the position of a utility/service provider.