Things to keep in mind: 1  T-Mobile charges a $15 fee to change your phone number. 2  If you're on a Pay in Advance plan, you're exempt from this fee. 3  Changing your mobile number will delete all voicemail messages.
Computer engineers solve problems in hardware, software, systems, and networks so things like your laptop or big airplanes work properly. Computer engineers make current devices we use for work and entertainment faster, smaller, cheaper, smarter, and safer.
What Computer Hardware Engineers Do. Computer hardware engineers research, design, develop, and test computer systems and components such as processors, circuit boards, memory devices, networks, and routers. These engineers discover new directions in computer hardware, which generate rapid advances in computer technology.