1、Types and components of computer systems计算机系统的类型和组件 2、Input and output devices输入和输出设备 3、Storage devices and media存储设备和媒体 4、Networks and the effects of using them网络和使用网络的效果 5、The effects of using IT使用它的效果 6、ICT applications信息和通信技术应用 7、The...
Input devices输入设备Output devices输出设备Memory,storage devices and media内存,存储设备和媒体Operating systems操作系统High-and low-level languages and their translators高级和低级语言及其翻译器Security安全Ethics计算机伦理Practical problem-solving and programming实用的问题解决和编程...
Computer architecture and the fetch-execute cycle 体系结构与提取执行周期 Input devices 输入设备 Output devices 输出设备 Memory, storage devices and media 内存,存储设备和媒体 Operating systems 操作系统 High- and low-level languages and their translators 高级和低级语言及其翻译器 Security 安全 Ethics 计算...
Input devices 1.3.4 Output devices 1.3.5 Memory, storage devices and media 1.3.6 Operating systems 1.3.7 High- and low-level languages and their translators 1.4 Security 1.5 Ethics Section 2 2.1 Algorithm design and problem-solving Practical problem-solving and 2.1.1 Problem-solving and design ...
For Examiner's Use TRUE FALSE Input devices are examples of hardware Backing storage devices are examples of software A Graphical User Interface is a part of an operating system A laptop computer cannot be carried around [4] 4 Draw five lines on the diagram to match the input device to its...
ICT IGCSE Chapter 1 - Review Name: Date: ICT IGCSE Chapter 1 - Review Welcome back: Prof. A. Lawson Chapter 1 – review / hardware & software Define Hardware? Identify internal hardware devices? Identify external hardware devices? Input or Output? Define software as programs?
igcse信息ict0417 15年前真题.pdf,CAMBRIDGE INTERNATIONAL EXAMINATIONS International General of Secondary Education MARK SCHEME for the October/November 2013 series This mark scheme is published as an aid to teachers and candidates, to indicate the require
a56kmodemcantransferdataatupto 56,000bits(7kB)persecondoverthephoneline. FastermodemsareusedbyInternetuserseveryday,notablycablemodemsandADSLmodems. Amodemworksasaninputandanoutputdevicebecauseforoutgoingsignalsitconvertsthe digitalsignalintoananaloguesignal(modulation)andforincomingsignalsitworksinthe reverse...
efficiency = useful energy output / total energy input (optionally x 100%) Boyle's Law Pressure of a gas is inversely proportional to it's volume (as long as the temperature remains constant). P1V1 = P2V2 Pressure from a solid
20 000 J useful output energy 50 000 J input energy 30 000 J waste energy (i) Write down a formula for efficiency usin o of the three terms in bold type in the diagram. (1) (ii) Calculate the efficiency of the process shown in the diagram. Efficiency (2) Q3 (Total 8 marks) ...