As computer systems become even more sophisticated () too do the methods of those who exploit the technology.

● Every valid character in a computer that uses even（66） must always havean even number of

● Every valid character in a computer that uses even（71） must always have an even number o

Man; Im going to spend two evenings on the computer programming. Woman: Two evenings？ Dr.

●Computers will become more advanced and they will also become easier to use.Improved spee

●Computers will become more advanced and they will also become easier to use.Improved spee

●Computers will become more advanced and they will also become easier to use.Improved spee