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美味偏执狂

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Information literacy Knowing how to find data from several sources, select relevant material, analyse and organise it into a form that can be used to make Computers have become the tools people use to access and manage Information technologists are people who analyse and design the What is a computer? Tradition definitions of computers include �6�1 A machine that accepts data and processes it into use �6�1 A computer is a binary, digital, electronic, stored program �6�1 While a computer is commonly a digital machine, analogue machine do An electronic device, operating under the control of instructions stored in its own memory unit, that can accept data (input), process data arithmetically and logically, produce results (output) from the processing and stores results for future Many computers receive and send data (communicate) across networks LAN and W A computer system consists of hardware and What is hardware? Hardware Hardware is physical devices or components that can be physically handled – you can thou Input Devices Input devices convert data that humans collect into coded electrical signals that a computer can The central processing unit The electronic processing takes place in the CPU The CPU consists of �6�1 A control unit that controls all of the computer’s functions and an �6�1 Arithmetic and logical unit (ALU) that performs any calculation Memory Memory holds all programs and What is RAM currently open? Data (notes) Word processor OS Output devices Output devices convert the computer’s electronic signals back into information Secondary storage devices These devices store programs and data The programs and data are not necessarily (or likely to be) in current E DVD CD Communication devices These devices enable a computer to connect to another List the six different type of hardware? Secondary storage(external), input, processor, output , memory, C Name eight pieces of hardware USB, keyboard, monitor, screen, RAM, ROM, VDU, M The system unit and peripheral devices The system unit is the computer Peripheral devices are any devices around the outside, or in other words, plugged into the (back of) the Peripheral devices include the key board, mouse, printer, joy stick and Peripheral devices are any devices around the outside, or in other words, plugged into the (back of) the Peripheral devices include the keyboard, mouse, printer, joy stick and What else does a computer have? Software Software is a computer program ,which is a detailed set of instructions that directs a computer to perform the tasks necessary to process data into These instructions are written in languages that computer can Software includes computer games, a word processing packing, an accounting package, amongst Definition of a computer system �6�1 A computer system is the configuration of hardware and software, functioning together, to process data into useful information, in order to achieve a purpose for a human What is data? �6�1 Data is raw facts, be they numbers, words, images and sounds, that can be input into a Mary a name is a piece of data What is information? �6�1 Information is processed data, that has meaning and is John is a list of names who scored an A grade on an exam John A Chai A Pam A Commodore $23 500 Magna $21 500 Falcon $19 800 The system unit contains the �6�1 Motherboard �6�1 CPU �6�1 Memory �6�1 Other electronics It is where the computer program instructions are executed and the data is manipulatedThe Processor CPU The CPU interprets and carries out basic instructions that operate the computer, the CPU contain the �6�1 Control unit and the �6�1 Arithmetic logic unit Control unit The control unit directs and coordinates the computer’s For every single instruction, the control unit repeats four basic operations, �6�1 Fetching �6�1 Decoding �6�1 Executing �6�1 Storing CPU speed The CPU’s speed may be measured in MIPS The number of millions of instructions per second Arithmetic/logic unit The ALU performs all calculations, which involve �6�1 Arithmetic operations 2+3 �6�1 Comparison operations age>=17 �6�1 Logical operations pass Processing instructions A CPU may begin executing a second machine cycle before completing the first-referred to as Current CPU’s can pipeline up to 4 Storage within the CPU Registers temporarily hold data and The computer’s clock A System clock is necessary to control the timing of all computer Each tick of the clock is referred to as a clock Clock speed is the speed at which a processor executes A hertz is one cycle per second and a megahertz is 1024 by1024 and a gigahertz is 1024 by 1024 Memory Memory is the temporary storage place for data and (program) Memory is measured in �6�1 Kilobytes 1024 bytes 2^10 �6�1 Megabytes 1024* 1024 bytes 2^20 �6�1 Gigabytes 1024*1024*1024 bytes 2^30 Representation of data Digital computers are built from many small electronic Each circuit, at any point of time can be turned OFF or ON Hence these devices are called two state Binary Digit 0and 1 Each off or on digital value is called a bit, short for binary A 1 bit computer would be able to distinguish between two values-characters, symbols or Hardly sufficient for the characters on the keyboard Bits Characters 1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256
130 评论

贵州米粉

批次 专业 科类 省定线 最低录取分数线 备注 2010年本科三批 汉语言文学 文史 450 485   数学与应用数学 理工 444 488   专科一批 初等教育(中文与社会) 文史 理科:362文科:397 405   初等教育(数学与科学) 理工 362   初等教育(英语) 文史 405   理工 364   语文教育 文史 419   数学教育 理工 369   英语教育 文史 427   理工 421   物理教育 理工 362   化学教育 理工 365   生物教育 理工 362   历史教育 文史 405   思想政治教育 文史 408   学前教育 文史 416   理工 388   现代教育技术 理工 362   综合文科教育 文史 405   综合理科教育 理工 363   计算机教育 理工 362   计算机应用技术 理工 363   计算机网络技术 理工 362   计算机信息管理 理工 362   应用电子技术 理工 363   心理咨询 文史 405   理工 367   商务英语 文史 405   理工 365   旅游英语 文史 405   理工 362   文秘 文史 405   新闻采编与制作 文史 408   应用化工技术 理工 362   专科二批 旅游管理 文史 理科:230文科:230 321   理工 254   旅游管理(中新合办) 文史 200   理工 376   音乐教育(中俄合办) 文史 200   理工 249   音乐教育 文史 300   理工 266   美术教育 文史 342   理工 236   物业管理 文史 理科:260文科:260 285   理工 239   物业管理(中俄) 文史 200   理工 233   体育 体育教育 体育(文) 理科:275文科:317专业成绩:53 317 按照文化课成绩从高到低排 体育(理) 275 社会体育(太极拳) 体育(文) 322 社会体育(跆拳道) 体育(文) 339 社会体育(太极拳) 体育(理) 275 社会体育(跆拳道) 体育(理) 278   艺术设计 艺术(文) 文化课:210美术类专业成绩:155音乐类专业分:80 196 按照专业课成绩从高到低排 艺术(理) 188 音乐表演 艺术(文) 112 艺术(理) 114 艺术设计(中俄联办) 文史 162 理工 170 对口 艺术设计 美术类 200 474   音乐表演 音乐类 412 551   物业管理 市场营销类 369 498   计算机应用技术 计算机类 401 529   计算机网络技术 计算机类 486   计算机信息管理 计算机类 489   应用电子技术 电子类 233 424   旅游管理 旅游类 280 484   商务英语 国际商务类 203 569   旅游英语 旅游类 280 480   文秘 文秘类 200 509 批次 专业 科类 省定线 最低录取分数线 备注 2009年专科一批 初等教育(中文与社会) 文史 理工:407文科:417 423   初等教育(数学与科学) 理工 407   初等教育(英语) 文史 423   理工 407   语文教育 文史 426   数学教育 理工 407   英语教育 文史 437   理工 439   物理教育 理工 407   化学教育 理工 407   生物教育 理工 407   历史教育 文史 423   思想政治教育 文史 423   学前教育 文史 429   理工 417   现代教育技术 理工 409   综合文科教育 文史 423   综合理科教育 理工 407   计算机教育 理工 407   计算机应用技术 理工 407   计算机信息管理 理工 407   应用电子技术 理工 410   旅游管理 文史 423   心理咨询 文史 423   理工 409   商务英语 文史 435   理工 435   旅游英语 文史 423   理工 418   文秘 文史 423   新闻采编与制作 文史 423   应用化工技术 理工 410   专科二批 物业管理 文史 理工:260文科:260 341   理工 263   物业管理(中俄) 文史 240   理工 240   计算机网络技术 理工 260   体育 体育教育 体育(文) 理科:310文科:340专业成绩:55 343 按照文化课成绩从高到低排 体育(理) 310 社会体育(太极拳) 体育(文) 344 社会体育(跆拳道) 体育(文) 310 社会体育(太极拳) 体育(理) 310 社会体育(跆拳道) 体育(理) 346 艺术 音乐教育 艺术(文) 文化课:240 美术类专业分:160 音乐类专业分:85 121 文化课过线,按照专业成绩从高到低排 艺术(理) 122 美术教育 艺术(文) 196 艺术(理) 195 艺术设计 艺术(文) 171 艺术(理) 177 音乐表演 艺术(文) 116 艺术(理) 113 音乐教育(中俄联办) 文史 87 理工 107 艺术设计(中俄联办) 文史 163 理工 207 对口 艺术设计 美术类 342 467   音乐表演 音乐类 442 574   物业管理 市场营销类 400 498   计算机应用技术 计算机类 383 488   计算机网络技术 计算机类 508   计算机信息管理 计算机类 485   应用电子技术 电子类 353 473   旅游管理 旅游类 239 556   商务英语 国际商务类 420 581   旅游英语 旅游类 239 547   文秘 文秘类 277 482   应用化工技术 化工类 200 301

310 评论

gangyaya037

Computer has a great effect on our daily In the first place, computer has so many As we have computers, we needn't buy books, radios, TVs and any other things, because computer can take place of Secondly, surfing on the Internet must be very Through the Internet, we can do everything we Thirdly, thanks to the Internet, we can get the further education at any time, so we don't have to get up so early in winter 计算机对我们的生活有很大的影响。首先,电脑有很多功能。有电脑,我们不用买书,听收音机,看电视或其他东西,因为计算机能代替他们。其次,在互联网上冲浪一定很有趣。通过互联网,我们可以做我们喜欢的一切。第三,通过互联网,我们可以在任何时候获得进一步的教育,所以我们不用在冬天起那么早床。However, a coin has two sides, because it's new doesn't mean it's always At present, most students spend too much time on computer I don't think it's a good phenomenon, because it will do great harm to our eyes as well as our health if we play computer games all the 然而,事情都具有两面性,因为它是新的但并不总是好的。目前,大多数学生在电脑游戏上花太多时间。我不认为这是个好现象,因为如果我们总是玩电脑游戏的话它会极大地损害我们的眼睛,以及我们的健康,。In my opinion, we should use the computers in the right For instance, we can read the latest news on the internet to know the world better; read the e-books to enrich our knowledge or download some useful information for our We can also make different friends on the Internet, so that our life will be I believe computers will be our best friends if we make good use of 在我看来,我们应该以正确的方式使用电脑。例如,我们可以在互联网上阅读最新的新闻来更好地了解这个世界;阅读电子书来丰富我们的知识或下载一些对我们工作有用的信息。我们还可以在网上交不同的朋友,这样我们的生活才会丰富多彩。我相信如果我们好好利用电脑,它将是我们最好的朋友。

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