Exercises

〖Ex. 1〗根据课文内容回答问题

(1) How many main sections does a general-purpose computer have? What are they? And how are they interconnected?

(2) What is the control unit often called?

(3) Please list the functions of the control system.

(4) What are the two classes of operations ALU is capable of performing?

(5) What do logic operations involve?

(6) What can a computer's memory be viewed as? What does each of them have?

(7) What are the two principal varieties of computer main memory?

(8) In a PC, what does the specialized program called BIOS do?

(9) Why is the software that is stored in ROM often called firmware?

(10) What is I/O?

〖Ex. 2〗根据下面的英文解释，写出相应的英文词汇

(1) ______: Information put into a communications system for transmission or into a computer system for processing.

(2) ______: An integrated circuit that contains the entire central processing unit of a computer on a single chip.

(3)______ : An instruction sequence in programmed instruction.

(4)______ : A parallel circuit that connects the major components of a computer, allowing the

transfer of electric impulses from one connected component to any other.

(5)______ : A computer and the associated physical equipment directly involved in the performance

of data-processing or communications functions.

(6)______ : A unit of a computer that preserves data for retrieval.

(7) ______: The information produced by a computer from a specific input.

(8)______ : A basic unit of storage in a computer memory that can hold one unit of information, such as a character or word.

(9)______ : A part of the central processing unit where groups of binary digits are stored as the computer is processing them.

(10)______ : A number used in information storage or retrieval that is assigned to a specific memory location.

〖Ex. 3〗把下列句子翻译为中文

(1) He went to town with the purpose of buying a new computer.

(2) Most online services have their own browsers.

(3) Floppy disk may be double-density or high-density.

(4) The formula then includes the addresses of the cells.

(5) C might best be described as a ＂medium level language＂.

(6) Every browser has the built-in ability to understand HTML.

(7) C is one of the most popular computer languages in the world.

(8) Java technology is both a programming language and a platform.

(9) In fact, a window manager can be thought of as a GUI for a CLI OS.

(10) A database management system handles user requests for database action.

〖Ex. 4〗选择适当的答案填空（真题再现，程序员专业英语试题）

(1) A______is a functional unit that interprets and carries out instructions.

A.memory

B.processor

C.storage

D.network

(2) A______consists of the symbols, characters, and usage rules that permit people to communicate with computer.

A.programming language

B.network

C.keyboard

D.display

(3) ______software, also called end-user program, includes database programs, word processors, spreadsheets etc.

A.Application

B.System

(4) In , the only element that can be deleted or removed is the one that was inserted most recently.

C.Compiler

D.Utility

A.a line

B.a queue

(5) Most______measures involve data encryption and password.

C.an array

D.a stack

A.security

B.hardware

C.display

D.program

〖Ex. 5〗将下列词填入适当的位置（每词只用一次）

A buffer is a data area shared by______(1)______ devices or program processes that______(2)______at different speeds or with different sets of priorities. The buffer allows each ______(3) ______or process to operate without being held up by the buffer and the algorithms for ______(4)______ . In order for a buffer to be ______(5)______ , the size of the ______(6) ______data into and out of the buffer need to be ______(7) ______by the buffer ______(8) ______. Like a cache, a buffer is a ＂midpoint holding place＂ but ______(9)______ not so much to accelerate the ______(10)______ of an activity as to support the coordination of separate activities.