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You've got questions. Or you should have questions. We've got answers. Listed here are many of the things people want to know or should know. If you have a question not listed and you've searched the site already, give us a call or an email. We're easy to talk to and we take the time to impart what you need.
Several possibilities. One, something might be starting to break, such as a hard drive. Two, programs called TSR's (terminate and stay resident) over time get loaded into your computer's startup routine. They clutter the working memory (RAM which stands for Random Access Memory) and limit the amount of memory available for processing other tasks. Three, an invasion by a virus or worm has gummed up the programming. Four, software called 'adware' has been installed. Part of it is taking up your computer's working memory with TSR's. Five, new programs are bigger and require more RAM. You may not have enough. Six, your internet provider has slow service for some reason.
Malicious software can slow down your computer by loading up RAM (operating memory) with junk and making it harder for other programs to run (because they don't have enough RAM). Or the malware is reporting back to another website with your personal information, such as the keys you are pressing as you do your work.
Another thing that can slow down your computer is perception. If you have two different computers you use regularly (say, one at home and one at work) and one of them seems slower, it's probably because the slower one is older. Newer computers are designed for greater speed, so the older computer will be slower no matter how many TSR's are removed. You'll think something is wrong with the slower one but it's just, well, old and slow.
If you have dial-up internet access (or DSL, otherwise known as digital subscriber line) on one computer, and cable access on the other, the phone line computer will be slower, without question. Cable is anywhere from three to five or six times as fast (or more) at data transfer than DSL or modem transfer.
If your speed problem is with the internet, it's probably because more and more web sites have all kinds of data (photos, videos, audio) to give you and your computer just can't handle it. You need more RAM to be able to handle larger files such as DVD's and pictures or music.
Sometimes computer files are stored on the hard drive in sections, in different areas of the physical platters that make up the hard drive. So when your computer has to move them to your working memory (RAM) and back, it can take a few extra heartbeats. Defragmenting is a good way to reorganize your drive and put the pieces of files closer together. This makes it easier on your hard drive and your computer to move data around. Defragmenting or defrag for short is a program that puts all the file fragments back together. It helps organize the data on your hard drive, which makes finding it quicker.
You can defragment your hard drive with a simple utility program that comes with most operating systems. In Windows the program is found by clicking Computer then right clicking on the hard drive (C:\) then Properties and the Tools tab. There's a radio button that says Defragment you can click, and the computer does the rest. If you need to defrag a Mac because you use a lot of large files (like videos) then you will need a third party defrag program.
There are trade-offs to using the defrag utility. It really gives your hard disk a workout if it has been a while. On the other hand, if the hard drive is heavily fragmented it can get a workout just trying to find all the file fragments. Tech Support recommends not using the defragment utility very often. If the hard disk is used heavily, perhaps every couple of months. If it is used lightly (like a homeowner with only a little bit of work to do) then you can wait longer. But defragmenting a hard drive that is heavily fragmented will help your computer's speed.
However, with newer drives, having faster features like read-ahead write-behind caching and larger sizes, fragmenting is less of an issue. Macs have some automatic features that keep files from fragmenting too badly. Defragmenting is mostly for older computers that had smaller drives and operating systems that didn't manage data as well as modern drives. So defragmenting is a somewhat of a toss up. It's not as important as it used to be.
There are five basic parts to a computer: power supply, motherboard (mobo), processor, RAM, and the hard drive. Usually there will be some other parts too (like a CD/DVD burner/reader) that have memory like the hard drive (just differently constructed).
The power supply is like the heart in your body. It makes the computer go. The motherboard (abbreviated mobo) is like your skeleton and the processor is like your brain. RAM is short term memory in the brain, and the hard drive (or DVD reader) is like long term memory.
When you turn on the power supply, there is a set of instructions imbedded in the mobo that help the computer get started. After it checks itself out with these instructions, the computer goes to the hard drive to find the operating system (Windows, Mac OS, Linux), which tells it more about what to do. It puts some of those operating instructions into RAM (short term or working memory) and (eventually) loads your work area (the Windows desktop for instance). This is also called a GUI or graphical user interface, because you just click on some pictures to make programs execute. When you ask for a program (by clicking on an icon or menu item), the computer gets the information and puts it in RAM, and that's where you work (you can also think of RAM like a chalkboard or whiteboard). When you save your data, the data goes back to the hard drive.
A motherboard nowadays has audio and video outputs on it, as well as a network (LAN which stands for local area network) socket, and USB (stands for universal serial bus) ports. The keyboard, mouse, monitor, and printer plug into the motherboard and are part of this group of devices which are called input/output devices (I/O devices). I/O devices are called that because the operator (that's you) use them to give instructions to the computer (input) and the computer gives you information (output) according to what you asked for. And sometimes even what you didn't ask for.
There are literally millions of math calculations (with one's and zero's) being made when you run programs on the computer. The computer uses eight digit 'words' made up of one's and zero's (like 10011011) to make all the magic happen on your screen (this is called a 'binary' language because it consists of only two characters). Each of the eight digits is called a 'bit.' Every letter and number on the screen is one eight-digit word (called a byte). The binary words to spell the word Computer for instance look like this: 01000011 01101111 01101101 01110000 01110101 01110100 01100101 01110010. There are other languages such as hexidecimal, C language, C++ and so on. A thousand of the binary words is called a kilobyte. A million bytes is a megabyte. With all those numbers flying around, no wonder there can be so many problems sometimes.

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Tech Support of Grand JunctionPhone: (970) 260-7122 Bruce Bertram
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