Price for basic is for Dual-Scan. Price for fast is better, more expensive TFT display. It would be worth paying extra for the 3-year warranty extension. I would not own a laptop that is not under warranty. Review Review A computer is a device that processes information .
Information is text, pictures, sounds, or anything else that can be encoded in letters and numbers.
A byte is 8 bits of digital information. Think of it as one letter or number . Bytes are grouped into files that are stored in folders on disks . Hardware is the metal and plastic that you can see and feel. Software is instructions that make a computer do something .