[计算机类试卷]计算机专业英语练习试卷4及答案与解析.doc
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1、计算机专业英语练习试卷 4及答案与解析 1 (1) is a channels capacity which directly reflects the data transfer rate of the channe1. (2) functions in a NetWare network which is used to define addressing schemes. (3) is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision
2、and broadcast domains. (4) is the popular LAN developed under the direction of the IEEE802.3. (5) is a device which enables digital microcomputers to communicate across analog telephone lines. ( A) The volume ( B) The bandwidth ( C) The noise ( D) The delay ( A) NetBEUI ( B) IP ( C) IPX ( D) NCP ( A
3、) The repeater ( B) The hub ( C) The bridge ( D) The router ( A) Token Ring ( B) Token Bus ( C) Ethernet ( D) FDDI ( A) The repeater ( B) The modem ( C) The hub ( D) The printer 6 _ is the conscious effort to make all jobs similar, routine, and interchangeable. ( A) WWW ( B) Informatization ( C) Com
4、puterization ( D) Standardization 7 A sequence of any number of characters enclosed in the double queotes“”is called a character _. ( A) array ( B) group ( C) set ( D) string 8 In C launguage, when an array name is passed to a function, what is passed is the _ of the beginning of the array. ( A) dat
5、a ( B) value ( C) location ( D) element 9 In C language, the result of the logical _ operator is 1 if the value of its operand is 0, 0 if the value of its operand is non-zero. ( A) AND ( B) NOT ( C) OR ( D) EOR 10 The _ is a temporary storage area that you can use to copy or move selected text or ob
6、ject among application. ( A) cache ( B) pool ( C) buffer ( D) clipboard 11 The (1) program means a program written in a high-level language. It is generally translated to an (2) program, which is in a form directly understandably by the computer. The translation is usually done by a program called (
7、3). ( A) assemble ( B) web ( C) C ( D) source ( A) object ( B) basic ( C) C ( D) assemble ( A) compiler ( B) assembler ( C) compile ( D) transfer 14 _ processing offers many ways to edit text and establish document formats you can easily insert, delete, change, move and copy words or blocks of text.
8、 ( A) Data ( B) Database ( C) Word ( D) File 15 “crolling“ is a technique most commonly associated with _. ( A) disk ( B) display ( C) printer ( D) memory 16 Which one of these statements about connecting to the Internet is true?_ ( A) The Internet can only be used to link computers with same operat
9、ing system ( B) The Internet can be used to connect computers with different ISP ( C) You must have a modem to connect to the Internet ( D) You must have a telephone line to connect to the Internet 17 In C language, one method of communicating data between functions is by _. ( A) arguments ( B) vari
10、ables ( C) messages ( D) constants 18 When a string constant is written in C program, the compiler creates _ of characters containing the characters of the string, and terminating it with “0“. ( A) a group ( B) an array ( C) a set ( D) a series 19 In C language, the increment and decrement _ can onl
11、y be applied to variables, so an expression like x=(i+j)+is illegal. ( A) operation ( B) operate ( C) operator ( D) operand 20 In C program, it is convenient to use a _ to exit from a loop. ( A) end ( B) break ( C) stop ( D) quit 21 The line of computing jobs waiting to be run on a computer system m
12、ight be a _. The jobs are serviced in the order of their arrival, that is, the first in is the first out. ( A) queue ( B) stack ( C) array ( D) record 22 The _ is a collection of modules serving as interface between hardware and software to provide a software platform. ( A) computer ( B) processor (
13、 C) application software ( D) operating system 23 C+ fully supports _ programming. ( A) visual ( B) object-oriented ( C) logic ( D) natural language 24 The Internet is an open system, and most information is available to everyone It is very important to add _ to existing system for protecting the se
14、cret information. ( A) Web pages ( B) modem ( C) security ( D) network 25 A _ system placed between the company network and the outside world may limit outside access to the internal network. ( A) firewall ( B) modem ( C) gateway ( D) key 26 Because Web servers are platform and application (1), they
15、 can send or request data from legacy or external applications including databases. All replies, once converted into (2) mark-up language, can 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) al
16、l, ease of use. ( A) coupled ( B) dependent ( C) independent ( D) related ( A) ciphertext ( B) hypertext ( C) plaintext ( D) supertext ( A) browser ( B) repeater ( C) router ( D) server ( A) off ( B) offer ( C) office ( D) officer ( A) abort ( B) about ( C) above ( D) around 31 By using MP3, a 600M-
17、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 file arrives in the background. And, most important, MP3 music files retain good listening (3) that (4) compression schemes lacked. That (
18、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 ( B) front ( C) later ( D) backward ( A) addition
19、 ( B) combination ( C) difference ( D) condition 36 An antivirus program (1) a virus by searching code recognized as that of one of the thousands of viruses known to afflict computer systems. An antivirus Program also can be used to create a checksum for (2) files on your disk, save the checksums in
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