“常”字在计算机内的编码为B3A3H，这是汉字的(58)编码。根据GB2312-80国家标准，“常”的国标交换码是(59)，它的区号是(60)。

Viruses usually have two phases to their execution, the infection phase and the(75)phase. The later phase is optional, since stone viruses simply reproduce.

(74)isn't a type of transmission medium used for LANs.

A(73)is used to communicate with another computer over telephone lines.

Multimedia is the combination of computer and(72)technology.

In the RGB color spaces, each pixel on the screen has a corresponding RGB value which consists of()components.

In C language,(70)is a collection of one or more variables, possibly of different types, grouped together under a single name for convenient handling.

A stack protocol can be used for(69).

A(68)program is usually described as a program written in high-level language.

(70)

(69)