296、The motherboard of a typical desktop a large printed circuit board.

326、B2 B e — commerce is simply defined as e — commerce between

325、MP3 is

324、Class - based addresses involved dividing the overall address space into address classes.

323、Computer hard drives hold an enonnous amount of data or information.It is very important that all of the data is well.

322、An algorithm is an ordered set unambiguous, executable steps, defining a terminating process.

321、Hard disk technology is the preferred of main storage for most computer systems.

320、Arithmetic operations include adding, , multiplying, and dividing.

319、Data link

318、Digital signal

317、dot matrix printer