Computers are the wave of the future. Now more than ever, computers make the simplest jobs even easier. One can run a business, do research, and even wire one for their stereo systems. So many tasks a computer can do, one can only wonder what they will be able to do if there was no such thing as a computer...

Buying a brand new or refurbished computer or laptop doesn't necessarily mean you have to fork over a big chunk of your hard-earned money. Today's high-end computers and laptops have all the latest ends when it comes to technology, capability, performance and specifications. However, if you bought the most expensive one on the market, complete with all the bells and whistles, chances are it will be out-dated in six months or less. So why would you buy the latest model if all you really want out of your computer is basically to type, surf the web, and play a couple of video games. Leave these mammoth machines for the professionals who need the top-of-the-line performance, and the storage these super computers offer.

TIP # 1

The average cost for a new computer is around $700 - $1500 dollars. There are many places to find a good computer to suit your needs for around $150 - $300. You can find refurbished or reconditioned computers online at places such as Ebay.com, Yahoo auctions, or any other auction site. Check with your local classified ads, local store ads running specials, and ask around for anyone wanting to get rid of their computer. Make sure the computer doesn't have any fatal errors that can't be fixed and can be upgraded.

Professionals who need these expensive computers are web developers, programmers, software engineers, graphic and layout artists, and others who work in the IT field and business industries. However, the average user is prone to use refurbished or reconditioned computers and laptops. Personal or home users are your typical average user. Many of these users have simple tasks they do on their computers. These tasks may include:

• Internet browsing
• Checking emails
• Using applications such as word processors, spreadsheet, and presentations
• Chatting on the Internet
• Listening to downloaded music or their CD's

These tasks will only need the minimum specifications. These tasks won't require you to opt for the most advanced technologies and gadgets that will push your budget past what you need for it to be. The tasks the average user needs will only require the minimal specifications on CPU, Ram, Memory and Hard Disk. First, let's get acquainted with the basic components of the computer:

• CPU - The abbreviation for Central Processing Unit. This is considered the brains of the computer. This is where most calculations take place. In terms of power, the CPU is the most important element of a computer system. Housed in a single chip called a microprocessor on most home computers, there are two components to the CPU. The arithmetic logic unit (ALU) performs arithmetic and logical operations. The other component is the Control Unit (CU), which extracts instructions from memory, decodes, and executes them.
• RAM - The acronym for Random access memory. It's a type of computer memory that's considered the main memory. It's the most common type of memory found in computers. There's two basic types of RAM. Dynamic RAM (DRAM) is the more common type and needs to be refreshed thousands of times per second. Static RAM (SRAM) doesn't need to be refreshed but it's the more expensive of the two. Both of these components lose their contents when the power is turned off.
• Memory - This is the internal storage area. There's physical memory and virtual memory. Physical memory is the actual chips capable of storing data. Virtual memory expands physical memory onto the hard disk.
• Hard Disk - The opposite of a floppy dick, it's a magnetic disk on which you store computer data.

TIP # 2

Look for a computer that offers the basics as well as a few extras. Look for computers that have a system memory of 1GB or more. The hard disk storage should be around 120 GB to 250GB or more. A 17-inch monitor may be bought separately if the computer doesn't come with one at your local flea market for about $25 dollars.

Now that the definitions have been established for the main components of the computer, we can now focus on the whole computer. Most computers come with a bundled package of software and accessories. Some of the main software you'll find on most computers include Microsoft Word, Windows Media, various games, and miscellaneous other software. Other factors to consider when purchasing a computer include:

• Size of the monitor - Monitors can be as small as 14 inches to 18 inches. The bigger the size the better you'll be able to see the whole screen. Other factors to consider include getting a flat screen, plasma, or basic monitor.
• Amount of video memory - Due to the demands of video systems, video memory needs to be faster than the main memory. The amount of memory determines how much resolution and how many colors can be displayed.
• Backup and archive media - CD writers, a second hard drive, DVD writers, and floppy disks are the type of media that enables anyone to store data besides leaving it on the hard disk.
• Sound card and speakers - If you plan on listening to music or playing video games, then a decent sound card and speakers will be needed. Sound cards enable the computer to output sound through the speakers, record sound input from a microphone connected to the computer and play sounds stored on a disk.
• Network interface card or modem - Network cards enables computers to be connected to a main network, protocol, and media. A modem is a device that enables a computer to transmit data over a telephone or cable line. Other factors to consider with modems include bps, voice/data, data compression, and fax capabilities.
• Operating system - This is the main software that runs all of your applications on your computer. Windows 95/98, Windows XP, and the brand new operating system, Vista, are a few examples.
• Case style - The style of the casing that holds all the components together. If you plan to upgrade your computer, make sure your computer case allows you the access to input upgraded components without replacing the outer case altogether.

TIP # 3

Most newer model computers are upgradeable. This makes it possible to find a computer that may or may not have all the components you need. Many computers run Windows 98 or above as the operating system and are usually upgradeable to suit your needs. You should have a professional install the new components or you can purchase an inexpensive book and install them yourself.

Nowadays, new top of the line computers can cost thousands, but remember that few people will need the power these computers possess. It's possible that even if you really want a top of the line computer, you still don't have to purchase a brand new one. You can save a bundle of money by buying an upgradeable computer and installing the components you want to suit your needs. The computer you get or rebuild can last for a few years.