Which input device uses optical technology?

You begin your first day of responsibilities by examining the recent is security breach at gearup to get ideas for safeguards you will take. at gearup, criminals accessed the company's improperly-secured wireless system and stole customers' credit card information as well as employee social security numbers. what kind of computer crime did gearup face?

Are special combinations of keys that tell a computer to perform a command. keypads multi-keys combinations shortcuts

Which of the following is not a key player in the sale of travel products?