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...
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, ...
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 ...
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...
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 is an ERP system? How can these solutions manage organizations day-to-day business activities, such as accounting, finance, procurement, project management, supply chain, and manufacturing. Enterprise resource planning systems are complete, integrated platforms, either on-premises or in the cloud...
Chapter 1 - What is a Computer
Chipsets play a role in managing power consumption across the system. More advanced chipsets can offer better power efficiency, which is particularly important forlaptopsand energy-conscious desktop users. 5. I/O Support The chipset determines the number and type of I/O ports available, such as ...
Hex numbers are compact and use less memory, so more numbers can be stored in computer systems. Their small size also makes input/output handling easier compared with other numbering formats. Because it's easy to convert hexadecimal to the binary number system and vice versa, the system is wi...