中文一二三区_九九在线中文字幕无码_国产一二区av_38激情网_欧美一区=区三区_亚洲高清免费观看在线视频

首頁 > 教案下載 > 英語教案 > 高中英語教案 > 高二英語教案 > Unit 3 Computer

Unit 3 Computer

發布時間:2018-12-01

Unit 3 Computer


load - get data from a disk
nibble - half a byte
save - put data on a disk
ram – random-access memory(隨機存取存儲器), the more the better.
usb - universal serial bus(通用串行總線,一種簡化了插接多種附件的薄型插座)
www - world wide web, part of the internet
ii. pre-reading
1. questioning and answering   what do you know about computer?
●electronic machine capable of performing calculations and other manipulations of various types of data, under the control of a stored set of instructions. the machine itself is the hardware; the instructions are the program or software. depending upon size, computers are called mainframes, minicomputers, and microcomputers. microcomputers include desk-top and portable personal computers.
●a multi-function electronic device that can execute instructions to perform a task.
●a device that accepts information, processes it, and supplies an output. a computer usually contains memory, a control unit, arithmetic and logical units, and a means for input and output.
 
●a programmable hardware component that is controlled by internally stored programs and that can perform substantial computations (including arithmetic and logic operations) without human intervention. a computer typically consists of one or more processing units, memory units, and associated peripheral input and output devices.
●related to automation and electronic data processing. the library of congress commonly classes most computer-related books in hf5548, qa75-76, z52, t385, and some tk ranges.
 
●a machine for performing calculations automatically
calculator: an expert at calculation (or at operating calculating machines)
●a computer is a device or machine for making calculations or controlling operations that are expressible in numerical or logical terms. computers are constructed from components that perform simple well-defined functions. the complex interactions of these components endow computers with the ability to process information. if correctly configured (usually by, programming) a computer can be made to represent some aspect of a problem or part of a system. if a computer configured in this way is give
 
2. discussing and sharing   how have computers changed our lives?
someday soon, if you haven’t already, you’re likely to plug into the computer network nation growing in our midst. computer terminals, or small computers connected via modem (a modulator/demodulator circuit for encoding/decoding computer chatter) to ordinary telephone lines, should be as ubiquitous as the telephone itself. they’re a much more useful and humane tool than the phone, and with corporate america behind them the networks will be everywhere----changing our lives more than any technology since the automobile.
12頁,當前第2123456789101112
Unit 3 Computer 相關內容:
  • Unit 4  Body Language第二節

    period 2第二節(一)明確目標1. develop the students reading ability, especially their reading comprehension.2. read the reading passage and know about body language3. learn to communicate with body language....

  • 高二英語Tutorial Centres教案

    unit2 tutorial centres-readingteaching objectives:to help students get further understanding of the four letters on page 17 and thekey words to help students strengthen speaking, reading and writing abilitiesto...

  • Unit 1  Laughter is good for you

    unit 1 laughter is good for youpart one teaching design第一部分 教學設計 ● reading stand-up for your healthstep 1: lead-in t: do you know who this person is?s: charlie chaplin, a famous american comedian....

  • Life in the future(Period 6 Language Focusing)

    period 6language focusingthe general idea of this periodthis is the sixth period.the teaching and studying activities will center on language studying in this period....

  • Unit 3 Computers

    unit 3 computersthe 3rd period: learning about language ---the present perfect passive voice goals: 1. learn the present perfect passive voice.2....

  • Global warming Period 3 Grammar—the Use of “It”(2)

    global warming period 3grammar—the use of “it”(2)整體設計教學內容分析this teaching period mainly deals with the grammar:the use of “it”.“it” has many usages in the english language....

  • Unit 1 Living with technology單元復習學案

    unit 1 living with technology單元復習學案詞匯導練1.the professor came into the lecture hall,____________ (陪伴)by some assistants.2.his newly bought mobile phone is equipped with two ____________ (電池),which may save...

  • Module 1  Basketball

    module 1 basketball詞語嘉年華詞語辨析1. valued;valuable,invaluable,priceless;valueless,worthless (adj. )valued是形容詞,意思是“貴重的;受到很高評價的;被尊重的”,同時也是動詞value的過去分詞。...

  • 高二英語教案
主站蜘蛛池模板: 国产欧美精品xxxx另类 | 人妻激倩偷乱视频一区二区三区 | 久久精品999| 国产一级淫片a免费播放 | 深夜a级毛片免费无码 | 无码人妻精品专区在线视频 | 国产精品va无码免费麻豆 | 无码专区人妻系列日韩 | 中文字幕乱人伦高清视频 | 亚洲中文字幕无码超碰 | 欧美成人一区二区视频 | 欧美人与性动交CCOO | 永久免费的网站 | 亚洲成人福利在线 | 亚洲AV无码专区在线播放 | 日批免费观看 | 久久久久夜夜夜综合国产 | 一级偷拍视频 | 亚洲第一福利网站在线 | 91天天干 | 亚洲精品视频一二三 | 男女污污在线观看 | 一区二区视频免费看 | 九九热久久免费视频 | 让少妇爽到高潮视频 | 亚洲国产理论片在线播放 | 99热在线精品播放 | 一女多男np黑人挺进视频 | 在线播放免费播放av片 | brazzers精品成人一区 | 大地资源高清播放在线观看视频 | 日本18视频网站 | 一级偷拍视频 | 欧美国产偷国产精品三区 | 黄色录像www | h片在线| av私人影院 | 亚洲国产精品免费观看 | 国产欧美日韩中文字幕在线 | 日韩精品区一区二区三vr | 日韩视频中文字幕精品偷拍 |