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...
Virtual memory is a memory management technique that allows the computer to compensate for limited physical random access memory (RAM) by using a portion of the hard disk drive (HDD) or solid state drive (SSD) as an extension of RAM. It provides an illusion of having more RAM than physical...
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...
Memory is the electronic holding place for the instructions and data a computer needs to reach quickly. It's where information is stored for immediate use. Memory is one of the basic functions of a computer, because without it, a computer wouldn't be able to function properly. Memory is al...
The memory displayed is equal to computer memory minus reserved memory. This may also happen because of the conversion between different units. In general, the unit conversion method used during marketing is "1 GB = 1000 MB", while the unit conversion method used on the computer is "1 GB ...
主语:this old computer , 是动作 works 的执行者 谓语:works 状语:too slowly,副词做状语修饰谓语,说明动作 works 的效率如何 因此,正确选项为B, 另外,选项A中的 This 是主语的限定词,表示“这台",并不是主语。 故,正确答案为 B.This old computer 本题是要我们找出句子中的主语。 首先我们要搞清楚句子的...
What is the main function of the CPU? Central Processing Unit: In computer science, the central processing unit refers to a part of a computer system. This component accompanies memory, storage, and input and output devices. These components are in a system unit. ...
【主题句】The increasing amount of personal information that can be collected by computer programs that track how people use Facebook has been revealed by an extensive academic study. 根据一份广泛学术研究揭露,电脑程序通过研究人们如何使用脸书的方式来收集越来越多的个人信息。 【解析】题目意为“全文的...
c. Allocate and deallocate memory space as needed. 2.4 What are the three major activities of an operating system with regard to secondary-storage management? 关于二级存储管理,操作系统的三个主要活动是什么? 答: 剩余空间的管理 存储分配 磁盘调度 ...
Chapter 1 - What is a Computer