What is imput validation?

Where can one buy Dell notebook computers? What is type of multitasking used in Desktops and laptops? Is computer software piracy a non-profit activity? What is digital token in e-commerce? What is Windows 7 Royale XP? Where can one purchase computer drawing tablets for digital drawing? Is looking at a site the same as downloading? What sites offer reviews for the Compaq v6000? In the cell address C4 what does C signify? The IP protocol working at the Internet layer is responsible for locating the network and host for a data packet being transmitted by TCP. What type of address does the IP protocol use to identify a y? Does skype go offline when a computer is in sleep mode? How do you permenatly delete files even after you delete from control panel? What do you think about cloning? What does lcd stand for in computer moniters? How do you insert a hyperlink in Access? Why was the drive write speed affected by the ram? Will word processing software that runs on an Apple Macintosh will readily run on an IBM microcomputer? How would someone build their own computers AMD? How do you change your operating system from Linux to Windows XP? How do you replace the soft power switch on the front of your PC?