[计算机类试卷]计算机专业英语练习试卷2及答案与解析.doc
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1、计算机专业英语练习试卷 2及答案与解析 1 _ is a clickable string or graphic that points to another Web page or document. ( A) Link ( B) Anchor ( C) Browser ( D) Hyperlink 2 One solution to major security problems is _, which are frequently installed to fix known security holes. ( A) patches ( B) compensations ( C) com
2、plements ( D) additions 3 A programmer must know about a functions _ to call it correctly. ( A) location ( B) algorithm ( C) Interface ( D) statements 4 On a _ memory system, the logical memory space available to the program is totally independent of the physical memory space. ( A) cache ( B) virtua
3、l ( C) RAM ( D) ROM 5 _ is a channels capacity which directly reflects the data transfer rate of the channe1. ( A) The volume ( B) The bandwidth ( C) The noise ( D) The delay 6 _ is a device which enables digital microcomputers to communicate across analog telephone lines. ( A) The repeater ( B) The
4、 modem ( C) The hub ( D) The printer 7 Communicating via E-mail is by far the most common Internet activity. You can (1) with anyone in the world who has an Internet address or E-mail (2) with a system connection to the Internet. All you need is (3) the Internet and an E-mail program Two of the most
5、 widely used E-mail programs are Microsofts (4) and Netscapes Navigator. A typical E-mail message has three basic (5) : header, message, and signature. ( A) connect ( B) exchange ( C) communicate ( D) game ( A) account ( B) No ( C) user ( D) administrator ( A) attach with ( B) grasp ( C) possess ( D
6、) access to ( A) Yahoo ( B) Explorer ( C) Foxmail ( D) Outlook Express ( A) packets ( B) elements ( C) frames ( D) cells 12 The major problem with E-mail is that it is (1) easy to use that people can become (2) with messages. (3) they can possibly answer in a day. In addition, mail boxes require som
7、e management to (4) messages or archive those that might be required later. Senders dont always know about your E-mail backlog and often send (5) messages. ( A) too ( B) so ( C) very ( D) much ( A) full ( B) lost ( C) inundated ( D) filled ( A) more than ( B) than ( C) that ( D) which ( A) manage (
8、B) save ( C) backup ( D) dispose of ( A) too many ( B) redundant ( C) long ( D) trivial 17 _: An error can be caused by attempting to divide by 0. ( A) Interrupt ( B) Default ( C) Underflow ( D) Overflow 18 Applications put computers to pratical business (1), but below the (2) its the heart of an op
9、erating system the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provides all the functions for applications. The kemal (4) memory, I/O devices and parcels out processor time. The kernel also supports security and fau
10、lt (5) , which is the ablity to recover automatically when parts of the system fail. ( A) used ( B) use ( C) apply ( D) applied ( A) earth ( B) bottom ( C) table ( D) surface ( A) graphics ( B) data ( C) text ( D) image ( A) manages ( B) manage ( C) managed ( D) managing ( A) error ( B) question ( C
11、) tolerance ( D) problem 23 By using MP3, a 600M-byte music CD can be (1) to 50M bytes or less. It can be streamed (downloaded in chunks) so that you can begin listening to the opening bars while the (2) of the life arrives in the background. And, most important, MP3 music files retain good listenin
12、g (3) that (4) compression schemes lacked. That (5) of features makes accessing and distributing music on the Web practical for the first time. ( A) pressed ( B) compressed ( C) compress ( D) press ( A) past ( B) next ( C) rest ( D) host ( A) amount ( B) mass ( C) quantity ( D) quality ( A) earlier
13、( B) front ( C) later ( D) backward ( A) addition ( B) combination ( C) difference ( D) condition 28 Because Web servers are platform and application (1), they can send or request data from legacy or external applications including databases. All replies, once convened into (2) mark-up language, can
14、 then be transmitted to a (3) . Used in this way, Intranets can (4) lower desktop support costs, easy links with legacy applications and databases and, (5) all, ease of use. ( A) coupled ( B) dependent ( C) independent ( D) related ( A) ciphertext ( B) hypenext ( C) plaintext ( D) supertext ( A) bro
15、wser ( B) repeater ( C) router ( D) server ( A) off ( B) offer ( C) office ( D) officer ( A) abort ( B) about ( C) above ( D) around 33 Software quality assurance is now an (1) sub-discipline of software engineering. As Buckly and Oston point out, (2) software quality assurance is likely to lead to
16、an ultimate (3) of software costs. However, the major hurdle in the path of software management in this area is the lack of (4) software standards. The development of accepted and generally applicable standards should be one of the principal goals of (5) in software engineering. ( A) emerging ( B) e
17、mergent ( C) engaging ( D) evolve ( A) effective ( B) effortless ( C) light ( D) week ( A) balance ( B) growth ( C) production ( D) reduction ( A) usable ( B) usage ( C) useless ( D) useness ( A) management ( B) planning ( C) production ( D) research 38 An instruction is made up of operations that (
18、1) the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform the operation of (2) two numbers, it must know (3) the two numbers are. The processors job is to.(4) instructions and operands from memory and to perform each operatio
19、n. Having done that, it signals memory to send it (5) instruction. ( A) skip ( B) smile ( C) smoke ( D) specify ( A) add ( B) added ( C) adding ( D) addition ( A) when ( B) where ( C) which ( D) who ( A) get ( B) make ( C) push ( D) put ( A) ant ( B) last ( C) next ( D) second 43 Software design is
20、a (1) process It requires a certain (2) of flair on the part of the designer. Design can not be learned from a book. It must be practiced and learnt by experience and study of existing systems. A well (3) software system is straight forward to implement and maintain, easily (4) and reliable. Badly (
21、3) software systems, although they may work, are (5) to be expensive to maintain, difficult to test and unreliable. ( A) create ( B) created ( C) creating ( D) creative ( A) amount ( B) amounted ( C) mount ( D) mounted ( A) design ( B) designed ( C) designing ( D) designs ( A) understand ( B) unders
22、tands ( C) understanding ( D) understood ( A) like ( B) likely ( C) unlike ( D) unlikely 48 _ is a sequence of letters and digits, the first character must be a letter. ( A) An identifier ( B) A string ( C) An array ( D) program 49 The error messages given by a C compiler show the message text, the
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