问题 填空题

影响软件维护的因素是多样的,一般可归纳为:软件系统的规模大小、软件系统运行时间的长短和______的合理和复杂性。

答案

参考答案:软件结构

解析:[命题目的] 本题考查对软件维护因素的了解。
[解题要点] 影响软件维护的因素有很多,包括人员因素、技术因素和管理因素,也有程序自身的因素,可以总结成3个方面:首先是软件系统规模的大小,大则复杂度会增加。其次是系统的年龄,即系统运行的时间的长短,长则会经过反复修改,带来维护的复杂性。再就是软件系统结构的合理性和复杂性,不合理的结构和复杂的结构会给维护带来困难。

填空题


Motivation is "the driving force within individuals that impels them to action." And goals are the sought-after results (1) motivated behavior.
Motivation can be either positive or negative (2) direction. We may feel a driving force toward some object or condition, (3) a driving force away from some object or condition. For example, a person may be impelled toward a restaurant to fulfill a need, hunger, and away (4) an airplane to fulfill a need of safety. Some psychologists refer to positive drives (5) needs, wants or desires, (6) negative drives as fears or aversions (7) , though negative and positive motivational forces seem to differ dramatically (8) terms of physical and sometimes emotional activity, they are basically similar in (9) they both serve to initiate and sustain human behavior. (10) this reason, researchers often refer (11) both kinds of drives or motives as needs, wants and desires.
Goals, (12) , can be either positive or negative. A positive goal is one toward (13) behavior is directed and it is often referred to as an approach object. A negative goal is (14) from which behavior is directed away and it is sometimes referred to as an avoidance object. Since both approach and avoidance goals can be considered objectives of motivated behavior, most researchers refer to (15) types simply as goals. Consider this example. A middle-aged woman may wish to remain (16) attractive as possible. Her positive goal is to appear desirable, and (17) she may use a perfume advertised to make her irresistible. A negative goal may be to prevent her skin (18) aging, and therefore she may buy and use face creams. (19) the former case, she uses perfume to help her achieve her positive goal -- attractiveness; in the (20) case, she uses face creams to help avoid a negative goal -- wrinkled skin.

单项选择题 A1型题