[计算机类试卷]计算机专业英语练习试卷1及答案与解析.doc
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1、计算机专业英语练习试卷 1及答案与解析 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 roles that permit people to communicate with computer. ( A) programming language ( B) network ( C) ke
2、yboard ( D) display 3 _ software, also called end-user program, includes database programs, word processors, spreadsheets etc. ( A) Application ( B) System ( C) Compiler ( D) Utility 4 In _, the only element that can be deleted or removed is the one that was inserted most recently. ( A) a line ( B)
3、a queue ( C) an array ( D) a stack 5 Most _ measures involve data encryption and password. ( A) security ( B) hardware ( C) display ( D) program 6 One use of networks is to let several computers share _ such as file systems, printers, and tape drives. ( A) CPU ( B) memory ( C) resources ( D) data 7
4、The _ has several major components, including the system kernel, a memory management system, the file system manager, device drivers, and the system libraries. ( A) application ( B) information system ( C) network ( D) operating system 8 _ is the address of a variable or a variable in which the addr
5、ess of another variable is stored. ( A) Director ( B) Pointersystem ( C) Array ( D) Record 9 C+ is used with proper _ design techniques. ( A) object-oriented ( B) object-based ( C) face to object ( D) face to target 10 _ is a contiguous, numbered set of variables of a given base type, which can be u
6、sed and passed to functions as a unit. ( A) Record ( B) Array ( C) File ( D) Parameter 11 _ is not a programming language. ( A) COBOL ( B) Java ( C) UML ( D) Basic 12 _ is nonprogram text embedded in aprogram to explain its form and function to human readers. ( A) Command ( B) Compile ( C) Comment (
7、 D) Statement 13 When the result of an operation becomes larger than the limits of the representation, occurs. ( A) overdose ( B) overflow ( C) overdraft ( D) overexposure 14 Insufficient _ can cause a processor to work at 50% or even more below its performance potential. ( A) mouse ( B) I/O ( C) do
8、cument ( D) memory 15 The _ in e-mail messages has affected almost every computer around the world and has caused the damage of up to US$1 billion in North America. ( A) illness ( B) virus ( C) weakness ( D) attachment 16 One of the basic rules of computer security is to change your _ regularly. ( A
9、) name ( B) computer ( C) device ( D) password 17 One of the greatest features of a home _ is the ability to share one Internet connection simultaneously over two or more computers. ( A) computer ( B) device ( C) network ( D) work 18 The usual address for a Web site is the _ page address, although y
10、ou can enter the address of any page and have that page sent to you. ( A) home ( B) main ( C) host ( D) house 19 _ means “Any HTML document on an HTTP Server“. ( A) Web Server ( B) Web page ( C) Web Browser ( D) Web site 20 The term “_ program“ means a program written in high-level language. ( A) co
11、mpiler ( B) executable ( C) source ( D) object 21 Very long, complex expressions in program are difficult to write correctly and difficult to _. ( A) defend ( B) detect ( C) default ( D) debug 22 In C language, functions are important because they provide a way to _ code so that a large complex prog
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