皮皮学,免费搜题
登录
搜题
【单选题】
In 1950 it was predicted that eight or ten electronic computers would be sufficient to handle all the scientific and business needs of the United States. Likewise, the chief executive officer of IBM advised the company not to invest time or money in developing computers because he foresaw a limited commercial market. But these predictions were proved totally inaccurate as the computer industry developed into a multibilliondollar business. Today the computer plays a vital role in the lives of many Americans and is seen as one of the greatest technological developments of all times. Since computers can handle large amount of data rapidly and efficiently, categorize, process, and report information for a variety of business operations, they, in fact, have a virtually unlimited capacity for producing business data. However, computers can't think, their role in business is limited to those areas in which they can process information more efficiently and effectively than human being. At the administrative level, managers decide how computers and humans can be used most effectively to perform. a particular business task. Computers have become an integral part of day-to-day business transactions as well as analytic tools for long range planning, research, and development. Even a small business can utilize computers by either purchasing a small unit known as a minicomputer, leasing one, or by timesharing. In a timesharing system, each user is regularly scheduled for time to use the computer system. A wide variety of businesses and individuals participate in timesharing computer system. By performing data processing tasks such as accounting and billing, computers are playing an increasingly important role in businesses. Currently, business are developing overall management information systems in which computers function as essential tools in solving problem and decisionmaking at all administrative levels. Since 1950s, the computer industry has ______.
A.
declined
B.
remained about the same
C.
increased tremendously
D.
increased slightly
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】以下叙述中错误的是______。
A.
在Visual Basic中,对象所能响应的事件是由系统定义的
B.
对象的任何属性既可以通过属性窗口设定,也可以通过程序语句设定
C.
Visual Basic中允许不同对象使用相同名称的方法
D.
Visual Basic中的对象具有自己的属性与方法
【单选题】( 13 )下列叙述中错误的是( )。
A.
)在 Visual Basic 中,对象所能响应的事件是由系统定义的
B.
)对象的任何属性既可以通过属性窗口设定,也可以通过程序语句设定
C.
) Visual Basic 中允许不同对象使用相同名称的方法
D.
) Visual Basic 中的对象具有自己的属性和方法
【简答题】属性窗口主要是针对窗体和控件设置的。在Visual Basic中,窗体和控件被称为______。每个对象都可以用一组属性来刻画其特征,而属性窗口就是用来设置窗体或窗体中控件属性的。
【单选题】以下叙述中,错误的是( )。
A.
在Visual Basic中,对象所能响应的事件是由系统定义的
B.
对象的任何属性既可以通过属性窗口设定,也可以通过程序语句设定
C.
VisualBasic中允许不同对象使用相同名称的方法
D.
VisualBasic中的对象具有自己的属性和方法
【简答题】在Visual Basic中,对象本身所包含的一些特殊函数和过程称为___________,它可以实现对象的一些特殊功能和动作。
【简答题】______ A.用例与类图 B.用例与视角 C.用例与质量场景 D.视角与质量场景 A. B. C. D.
【单选题】在 Visual Basic 中称对象可识别和响应的某些操作行为为_________。
A.
方法
B.
事件
C.
封装
D.
属性
【简答题】以《伊利亚特》为例,分析其作为“史”与“诗”的价值。
【简答题】番茄依照其生长习性一般分为( )和( )型
【判断题】客流图上每一矩形的面积表示旅客的运量。
A.
正确
B.
错误
相关题目: