293、In a greedy algorithm, at each decision point the choice that has the immediate cost is selected.

329、 specifies how data bits are grouped into fram es, and specifies frame formats.

328、 translates data to be transmitted by applications into a format suitable for transport over the network.

327、This asymmetry is achieved by mathematical operations that are easy to do one way but difficult t o .

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.