首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Computer Mouse The basic computer mouse is【C1】______amazingly clever invention with a relatively simple design that allows u
Computer Mouse The basic computer mouse is【C1】______amazingly clever invention with a relatively simple design that allows u
admin
2014-09-13
32
问题
Computer Mouse
The basic computer mouse is【C1】______amazingly clever invention with a relatively simple design that allows us to point at things on the computer and it is very productive. Think of all the things you can do with a mouse like selecting text for copying and pasting, drawing, and even scrolling(滚动)on the page with the newer mice with the wheel. Most of us use the computer mouse daily without stopping to think how it【C2】______until it gets dirty and we have to learn how to【C3】______it. We learn to point at things【C4】______we learn to speak, so the mouse is a very natural pointing device. Other computer pointing devices include light pens, graphics tablets and touch screens, but the mouse is still our workhorse.
The computer mouse was【C5】______in 1964 by Douglas Englehart of Stanford University. As computer screens became more popular and arrow keys were used to move around a body of text, it became clear that a pointing device that allowed easier motion through the text and even selection of text would be very useful. The introduction of the mouse, with the Apple Lisa computer in 1983, really started the computer public on the road to relying on the mouse【C6】______routine computer tasks.
How does the mouse work? We have to start at the bottom, so think upside down for now. It all starts with the mouse ball. As the mouse ball in the bottom of the mouse rolls over the mouse pad, it presses against and turns two shafts(轴). The shafts are connected to wheels with several small holes in them. The wheels have a pair of small electronic light-emitting devices【C7】______light-emitting diodes(LED)mounted on either side. One LED sends a light beam to the LED on【C8】______side. As the wheels spin and a hole rotates by, the light beam gets through to the LED on the other side. But a moment【C9】______the light beam is blocked until the next hole is in place. The LED【C10】______a changing pattern of light, converts the pattern【C11】______an electronic signal, and sends the signal to the computer through wires in a cable that goes out of the mouse body. This cable is the tail that helps give the mouse its name. The computer interprets the signal to tell it where to position the cursor on the computer【C12】______.
So far we have only discussed the basic computer mouse that【C13】______of you probably have or have used. One problem with this design is that the mouse gets dirty as the ball rolls over the surface and picks up dirt.【C14】______you have to clean your mouse. The newer optical mice【C15】______this problem by having no moving parts.
【C11】
选项
A、in
B、from
C、for
D、into
答案
D
解析
convert…into…是固定短语,表示“把某事物转化为另一事物”。
转载请注明原文地址:https://kaotiyun.com/show/JHQd777K
本试题收录于:
职称英语理工类C级题库职称英语分类
0
职称英语理工类C级
职称英语
相关试题推荐
Thegamerequiresustofindouttwosimplebuteffectivewaystosolvethisproblem.
WhichisNOTapossiblesignofpanicdisorder?WhichisNOTapossibletreatmentforpanicdisorder?
CrystalEarOnedayafriendaskedmywifeJillifIwantedahearingaid."Hecertainlydoes,"repliedJill.Afterhearinga
Surgeryisthebranchofmedicinethatdealswiththetreatmentofdisease,deformities,orinjuriesbyoperations.Thedoctorw
Heremovedhishatandgloves.
Americansstillhavebeengainingweight,althoughtheyhavecuttheiraveragefatintakefrom36to34percentoftheirtotald
AinyourbodyBwithoutwaterCbeforelongDforachangeEonabusydayFtoyourweightOnecannotlive______.
CosmeticSurgerySurgerythatcanimprovethewayapersonlooksisbecomingmoreandmorepopularintheUnitedStates.This
CosmeticsurgeryismorepopularintheUSthananywhereelse.Theeyeoperationwassuchafailurethatthewomanrefusedtop
SaunaCeremonial(仪式性的)bathinghasexistedforthousandsofyearsandhasmanyforms,oneofwhichisthesauna.TheFinnsha
随机试题
A.药理学的配伍变化B.给药途径的变化C.适应证的变化D.物理学的配伍变化E.化学的配伍变化两性霉素B加入大量的电解质溶液而析出沉淀,这种变化属于
关于施工合同计价方式的说法,正确的有()。
直接融资包括()。
计算机开机后系统提示“DISKB00TFAILURE,INSERISYSTEMDISKANDPRESSENTER”WINDOWS无法启动。请分析故障所产生的所有可能,并提出解决办法。
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
杨某犯抢劫罪,被判处15年有期徒刑,刑罚执行2年后,又发现他在判决宣告前还犯有盗窃罪,应判10年有期徒刑。那么,杨某尚需执行的最高刑期为()。
TheuntrainedeyemighthavetroubledistinguishingthelatestimagesfromMercury—releasedlastweekataNASApressconference
正式技术复审(FTR)是一种由软件工程师进行的软件质量保证活动,下面活动不属于FTR范畴的是(25)。
Letusassume,forthemoment,thatlaborisnotpreparedtoworkforalowermoney-wageandthatareductionintheexistingle
WhenyoumakeyourtravelarrangementstoOxford,Ohio,youshouldmakeplanstoarrivehereatleastaweekbeforeclassesbegi
最新回复
(
0
)