section..ppt

Exercises I. Choose the best answer into the blank 1. A computer works automatically according to . A. a series of stored instructions B. a series of instructions given by operators C. a CPU D. another computer 2. A keyboard or a mouse is device. A. an output B. an input C. a storage D. a data processing Exercises I. Choose the best answer into the blank 3. The computer network for a university is usually described as . A. a city area B. a wide area network C. a local area network D. an Internet network 4. A computer that requests data from a server is called as . A. server B. client C. workstation D. termination Exercises I. Choose the best answer into the blank 5. A hard disk is referred to as device. A. an output B. an input C. a storage D. a data processing Exercises II. Answer the following questions according to the text 1. Why is the central processing unit (CPU) sometimes described as the brain of the computer? 2. Which kinds can computers be categorized as? 3. Why do handled computers not take the place of desktop computers? 4. How many meanings does the term server have? 5. Which equipment is usually included in a personal computer system? Exercises III. Translate the following into Chinese A computer can be applied to many tasks, such as writing, number crunching, video editing, online shopping, etc. Computer software is also a core part of a computer system, because a computer cannot work without any computer software, or cannot work efficiently without appropriate software. A computer program is a sequence of detailed instructions designed to direct a computer to perform certain functions. These pre-written stored programs enable a computer to receive input, store Exercises III. Translate the following into Chinese information