Tim's Computer Science Blog

 There are a variety of factors that you should consider when you go out to buy a computer. Start by figuring out what you need the computer for, is it for home, entertainment, work, or school. A home computer doesn't need to be portable, It is often cheaper in this case to buy a Tower, Desktop, computer. Desktop computers generally are cheaper with better hardware than what you could buy for the same price as a laptop. Entertainment computers can range from an average computer to expensive top of the line luxury computers. If you aren't a Pro-Gamer most modern computers will be sufficient. If you are a student look into getting a Net book for going to school. Net books are lightweight and are good for word processing and connecting to the Internet and have a longer battery life. These are a list of feature you might want to consider: Portability, Processor, Ram, Hard drive, Video Card, CD/DVD/Bluray drive, speakers, built-in microphone, bluetooth, wifi, sim card reader, card ...

Computers may not sleep but they certainly can seem crabby when they wakeup. First the screen is black. Then it will show a logo while the insides grind and gurgle, balk and beep. With little relief you will likely see a Windows logo (unless you are using a Mac, Linux or other OS) and after what seems like a excruciatingly long time your login screen. Unless of course you don't randomly get a screen with a list of options with names such as Windows Vista Home Premium, Recovery Options, linux Kernel 2.6.32.22-generic, memtest86+ after the nice looking logo you first saw. The computer boot up process happens in several steps as out lined below. #1 Power On Self Test (POST), BIOS (Basic Input Output System) #2 Master Boot Record, Bootloader -Boot Options #3 Operating system The Power On Self Test is where the computer checks that the hardware is functioning correctly, and if there is problems the BIOS will beep. The BIOS is what controls the boot-up process and is a...