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.
Computer hardware engineers typically do the following: Design new computer hardware, creating blueprints of computer equipment to be built; Test the completed models of the computer hardware they design; Analyze the test results and modify the design as needed; Update existing computer equipment so that it will work with new software