function double(x) { $y = 2 * x; return $y; } The above example is a very basic function. Most functions used in computer programs include several lines of instructions and may even reference other functions. A function may also reference itself, in which case it is called arecursive ...
Save the current work D. Close the program 相关知识点: 试题来源: 解析 B。“undo”在电脑操作中的功能是撤销上一个动作。选项 A“Repeat the previous action”是重复上一个动作;选项 C“Save the current work”是保存当前工作;选项 D“Close the program”是关闭程序。反馈 收藏 ...
控制单元(Control Unit)是CPU的核心部件之一,主要功能是管理指令的执行流程。以下是对各选项的分析:**A. 执行算术计算** 此功能属于算术逻辑单元(ALU)的职责,而非控制单元。控制单元不直接处理计算任务,因此错误。**B. 管理指令的执行** 控制单元负责从内存中提取指令、解码指令,并协调其他硬件组件(如ALU、寄存器...
The function of a microphone in a computer is to pick up sound, just like a microphone used by a singer on stage, and convert the audio sound waves...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
It would not be wrong to say that C language is a function-based language. The C Standard Library contains a large number of predefined functions which may be called in programs for carrying out various processes. Related functions are grouped together u
Functions are widely used in various fields, including mathematics, physics, computer science, and economics, to model and analyze relationships between different variables. They provide a systematic way of organizing and understanding the behavior of differ...
What is the function of a computer mouse? A. input information B. process information C. store information D. display information 相关知识点: 试题来源: 解析 A。电脑鼠标的功能是输入信息。选项 B“process information”处理信息是中央处理器的功能;选项 C“store information”存储信息是硬盘等存储设备...
A. To connect computers to the internet B. To store and manage data on a network C. To protect the network from security threats D. To direct network traffic between devices 相关知识点: 试题来源: 解析 d) To direct network traffic between devices 反馈...
A friend function is a non-member function, to make a function a friend of a class, we declare class function with prefixing keyword friend.
The following sections are included:The QuestionThe Answer and the PointComments on Section 4.2A Nonpattern: Regions in a CircleMore Nonpatterns: Borwein IntegralsReferences#The Question#The Answer and the Point#Comments on Section 4.2#A Nonpattern: Regions in a Circle#More Nonpatterns: Borwein ...