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Lesson 1 familiarized you with the Excel 2007 window, taught you how to move around the window, and how to enter data. A major strength of Excel is that you can perform mathematical calculations and format your data. In this lesson, you learn how to perform basic mathematical calculations and how to format text and numerical data. To start this lesson, open Excel. Excel Formulas Excel Formulas
Shorthand is a term for the acronyms and other words used in chat rooms, e-mail, message boards, Internet, and other text-based messaging devices. For example, lol, which is short for "laugh out loud" is an example of shorthand. Shorthand is used as an easy and quick way to express an emotion or type something in chat. Below is a listing of shorthand currently listed on Computer Hope. If you are looking for chat slang (common English misspellings and words) such as "wot" for "what" or "y" for "why" see the chat slang definition. Also see: Chat terms, Chat slang, Internet terms, Internet tips, Jargon Shorthand Shorthand
Keyboard definitions
PS/2 PS/2 1. Often referred to as the mouse port or keyboard port, the PS/2 port was developed by IBM and is used to connect a computer mouse or keyboard to an IBM compatible computer. The PS/2 port is a mini DIN plug that contains six pins and is still found on all IBM compatible computers today, however, is starting to be replaced by USB. In the picture to the right, are two pictures of what the PS/2 ports look like on the back of your computer. As can be seen by both of these pictures many computers have adopted the color codes purple and teal as identifications for each of the port. The mouse is teal and the keyboard is purple.
Keyboard One of the primary input devices used with a computer, the keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer and is what allows you to write e-mail and is what you used to visit this web page. Below is an example of a Saitek keyboard with indicators pointing to each of the major sections of the keyboard. Overview of each section of the keyboard Keyboard
Computer Hopes computer dictionary
Basic computer troubleshooting steps Below is a listing of commonly asked computer questions and answers and basic troubleshooting steps for operating systems, software programs, and computer hardware. Keep in mind that this is just a select few of our thousands of questions and answers in our database. See our troubleshoot definition for a general overview of steps that should be taken when troubleshooting a computer. Basic computer troubleshooting steps
Top 10 keyboard shortcuts everyone should know Top 10 keyboard shortcuts everyone should know Using keyboard shortcuts can greatly increase your productivity, reduce repetitive strain, and help keep you focused. For example, highlighting text with the keyboard and pressing Ctrl + C is much faster than taking your hand from the keyboard, highlighting the text using the mouse, clicking copy from the file menu, and then putting your hand back in place on the keyboard. Below are our top 10 keyboard shortcuts we recommend everyone memorize and use. Ctrl + C or Ctrl + Insert Both Ctrl + C and Ctrl + Insert will copy the highlighted text or selected item.
What is computer support? A Technology Word Definition From Webopedia.com What is computer support? A Technology Word Definition From Webopedia.com Main » TERM » C » Computer support companies and services specialize in troubleshooting and fixing a wide variety of primarily software-related personal computer issues and network connectivity problems as well as some hardware issues. Also known as technical support, computer support can take the form of an on-site visit or remote help via telephone, e-mail, text or instant messaging, online chat or even remote desktop control. Many larger companies have their own technical support departments, whereas smaller businesses and individuals typically turn to a computer support firm or the Internet when diagnosing and addressing computer-related issues.
Main » Did You Know » Hardware & Software » Posted January 25, 2008 Operating & Environment Conditions Do not place a PC directly near a heating or cooling source, such as heating vents or air conditioners. Both excessive heat and cold can damage a PC. This includes putting the PC in the path of direct sunlight. Manufacturers often recommend that PCs be in a humidity-controlled environment, but again the PC should not be positioned so that an air conditioner is blowing cool air directly onto the unit (as temperature drops, the likelihood of static electricity increases). Preventive Maintenance of a PC Preventive Maintenance of a PC
It happens to the best of us. One day your Windows-based PC just seems to be taking far longer than usual to open applications and save files on your hard drive. Unfortunately, there are many reasons why your computer could be running slowly, but here are some easy steps you can take to try and figure out what is causing the slow down and how to fix it before calling your techie friends for assistance. The first thing you should do is to save any open files and quit any applications that are running. Try rebooting your computer to see if that is a quick fix — there really are a lot of users out there who leave their systems running as close to 24/7 as they can, and this could lead to your system slowing down. Tips to Diagnose and fix a slow running computer Tips to Diagnose and fix a slow running computer
Free Web Tools and Open Source Software Tools for Students - Webopedia Free Web Tools and Open Source Software Tools for Students - Webopedia Main » Quick Reference » Posted June 01, 2011 If you are a student you're probably wondering how to manage the cost of tuition, books and living expenses – and still pay for the software you need for your student laptop or desktop computer for research and assignments. Commercial software purchases can quickly eat away at the budget you have. The good news is that there are many free Web tools and open source software for students that will help you stay on task and organize your busy student life. From typing reports to taking and sharing class notes, this list of 30 free Web tools and open source software will help you get through your courses without spending a dime on software.
Short for electronic mail, e-mail is the transmission of messages over communications networks. These messages can be notes entered from the keyboard or electronic files stored on disk. Most mainframes, minicomputers, and computer networks have an e-mail system. Some e-mail systems are confined to a single computer system or network, but others have gateways to other computer systems, enabling users to send electronic mail anywhere in the world. Deciphering Internet E-mail
10 Data Center Server Hardware Must-Haves.
Main » Quick Reference » Posted February 10, 2011 Servers are often dedicated, meaning that they perform no other tasks besides their server tasks. This list, courtesy of ServerWatch.com, categorizes the many different types of servers used in the marketplace today. Server Types
Learn How Technology Works With Webopedia.com Quick Reference articles breaks down complicated concepts and products in technology to digestible bite-sized bits for quick and easy understanding. Learn how to navigate the digital tech world with our Quick Reference. Featured Articles and Guides Flash Data Storage Vendor Trends Although it is almost impossible to keep up with the pace of ongoing product releases, here are three recent highlights in the flash data storage space. » 15 Important Big Data Facts for IT Professionals Keeping track of big data trends, research and statistics gives IT professionals a solid foundation to plan big data projects.
USB Overview[edit] In general, there are four basic kinds or sizes related to the USB connectors and types of established connections: the older "standard" size, in its USB 1.1/2.0 and USB 3.0 variants (for example, on USB flash drives)the "mini" size (primarily for the B connector end, such as on many cameras)the "micro" size, in its USB 1.1/2.0 and USB 3.0 variants (for example, on most modern cellphones)the versatile "USB On-The-Go" scheme, in both mini and micro sizes.
Internet Explorer
Free Computer Tutorials for Beginner & Senior Users
Java SE Runtime Environment 7 Downloads
DSL Troubleshooting
Help Center
Network Troubleshooting
Taskbar Repair Tool Plus!
Cleanup the Taskbar Notification Area (System Tray) in Windows XP & Vista
Web Tools

How to make netbooks run faster -- Newley.com
5 Ways to Speed Up Your Netbook
CTT-TAC: Routing Information Protocol (RIP)
IP Routing
PARTS OF A SENTENCE
What is a URL (Uniform Resource Locator)?
What is executable file
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Exploring the Internet
Windows Basics: all topics
Computer Dictionary Glossary Lexicon Online
Computer Glossary
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Computer Corp. - Support
PC Virus/Problems Tools