In its most basic form, a computer system is a programmable electronic device that can accept input; store data; and retrieve, process and output information. Evolution of computer systems Computers are programmable electronic devices that can process data. To comprehend what a computer system is, ...
例：How much is the shirt? A. £19.15. B. £9.18. C. £9.15. 答案是 C。1. What does the man do? A. A computer technician.B. A hotel receptionist.C. A shop assistant. 解析：答案A。话题：女士请求维修电脑。考查点：职业。考查题目类型：推理判断题。根据男士的话IT Depar...
II.1 【答案】 F 【解析】计算机是很快的而且它从不犯错误,根据 文章第二行T he computer is fast and hardly m akes a mistake(计算机是很快的,并且几乎不犯 错误),可知本题答案为F 2 【答案】T 【解析】计算机能够很好地做许多工作,根据文章 第七行Now a computer can do a lot of everyda y work...
represents a complete quantity or counting number without any fractional or decimal parts. it includes all positive numbers starting from zero and extends indefinitely to infinity. in other words, a whole number is any non-negative integer, including zero. how are whole numbers used in computer ...
If the front brake pads were called “front brakes” in one software system (or maybe a set of spreadsheets), “brake pads” in another, and “front pads” in a third, it would be tough for the automotive manufacturing company to figure out how much is spent annually on front brake ...
What is a computer backup server? A computer backup server is a piece of hardware or software that stores data for multiple computers as backups. This system keeps copies of vital information, such as files and databases, in case they are deleted, corrupted, or destroyed by an unforeseen eve...
Chapter 1 - What is a Computer
It is a system software in computer system, which is a collection of program modules. They manage and control the hardware and software resources of computer system, so as to provide a powerful, convenient and extensible working environment for users.Computer...
—What's in your bedroom?—___a computer.A.There's B.That's C.This is 相关知识点: 试题来源: 解析 答案:A核心短语/词汇:in your bedroom:在你的卧室里 句子译文: —你的卧室里有什么? —有一台电脑。解析:in your bedroom意为“在你的卧室里”。第一句的句意是“你的卧室里有什么?”所以...
答案:A 核心短语/词汇:a useful invention:一个有用的发明句子译文:电脑是一个多么有用的发明啊。解析:本句考查感叹句的结构,what a/an+形容词+名词 +主语+谓语!how +形容词/副词+主语+谓语!这里是修饰名词invention,故用what,C中用的how,排除C。invention是单数可数名词,故需用冠词修饰。useful是以辅音音素...