[计算机类试卷]计算机专业英语练习试卷3及答案与解析.doc
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1、计算机专业英语练习试卷 3及答案与解析 1 _ is permanently stored in the computer and provides a link between the hardware and other programs that run on the PC. ( A) Interface ( B) Operating system ( C) Internet ( D) Applicaion software 2 _ is not a linear structure. ( A) Graph ( B) Queue ( C) Stack ( D) I-dimension a
2、rray 3 _ is the sending and receiving of the messages by computer. It is a fast, low-cost way of communicating worldwide. ( A) LAN ( B) Post office ( C) E-Mail ( D) I-dimension array 4 The _ is a collection of computers connected together by phone lines allows for the global sharing of information.
3、( A) interface ( B) Internet ( C) LAN ( D) WWW 5 _ are web sites that search the web for occurrences of a specified word or phrase. ( A) Search engines ( B) WWW ( C) Internet ( D) Java 6 Files can be lost or destroyed accidentally Keep _ copies of all data on removable storage media. ( A) backup ( B
4、) back ( C) black ( D) backdown 7 In _ programming, the user determines the sequence of instructions to be executed, not programmer. ( A) top-down ( B) structure ( C) data-driven ( D) event-driven 8 _ is a device that converts images to digital format. ( A) Copier ( B) Printer ( C) Scanner ( D) Disp
5、lay 9 In C language, a _ is a series of characters enclosed in double quotes. ( A) matrix ( B) string ( C) program ( D) stream 10 _ are those programs that help find the information you are trying to locate on the WWW. ( A) Windows ( B) Search Engines ( C) Web Sites ( D) WebPages 11 In C language, _
6、 are used to create variables and are grouped at the top of a program block. ( A) declarations ( B) dimensions ( C) comments ( D) descriptions 12 An _ statement can perform a calculation and store the result in a variable so that it can be used later. ( A) executable ( B) input ( C) output ( D) assi
7、gnment 13 Each program module is compiled separately and the resulting _ files are linked to make an executable application. ( A) assembler ( B) source ( C) library ( D) object 14 A Web _ is one of many software applications that function as the interface between a user and the Internet. ( A) displa
8、y ( B) browser ( C) window ( D) view 15 A query is used to search through the database to locate a particular record or records, which conform to specified _. ( A) criteria ( B) standards ( C) methods ( D) conditions 16 The _ in E-mail messages has affected almost every computer around the world and
9、 has caused the damage of up to US$1 billion in North America. ( A) illness ( B) virus ( C) weakness ( D) attachment 17 _: The process of identifying and correcting errors in a program. ( A) Debug ( B) Bug ( C) Fault ( D) Default 18 _: A collection of related information, organized for easy retrieva
10、l. ( A) Data ( B) Database ( C) Buffer ( D) Stack 19 _: A location where data can be temporarily stored. ( A) Area ( B) Disk ( C) Buffer ( D) File 20 _: A graphical bar with buttons that perform some of the most common commands. ( A) Title bar ( B) Tool bar ( C) Status bar ( D) Scroll bar 21 Every v
11、alid character in a computer that uses even _ must always have an even number of 1 bits. ( A) parity ( B) check ( C) test ( D) compare 22 The maxmum number of data that can be expressed by 8 bits is _. ( A) 64 ( B) 128 ( C) 255 ( D) 256 23 Integration _ is the process of verifying that the component
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