I’m an English teacher at the local high school and have managed to scrounge up a few extra computers for use in my classroom. All of the computers are running Windows XP, and one computer in the ...

USB hubs enable you to attach multiple devices, such as printers, hard drives and card readers, to a single computer. However, the USB hub only makes the devices available to one computer at a time.

Belle Wong is a freelance writer specializing in small business, personal finance, banking, and tech/SAAS. She spends her spare moments testing out the latest productivity apps and plotting her latest ...