計(jì)算機(jī)導(dǎo)論_試題（Introduction to computer _ test）

1、計(jì)算機(jī)導(dǎo)論_試題（Introduction to computer _ test）Introduction to computerScoreThe markingI. choice questions (30 points)1. represents an unsigned integer in one byte, and its maximum value is the decimal number.A. 256, B. 255, C. 127, D. 1282. a complete computer system shall include ().A. ALU, controller a

2、nd memory, B. host and application programC. hardware systems and software systems, D. hosts and peripherals3. the CPU in a microcomputer refers to ().A. memory and arithmetic device, B. input device and output deviceC. memory and controller, D. controller and arithmetic unit4. the performance of a

3、computer mainly depends on ().A. word size, operation speed and memory capacity, B. disk capacity and printer qualityC. operating systems and peripherals, D. machines, prices, and configured operating systems5. the track on the disk is ().A. a group of concentric circles with different density recor

4、ds, B., a group of concentric circles of the same densityC. a group of Archimedes spiral D. with different densities, recording a Archimedes spiral with the same density6. the following E - mail address is correct ().A. wangfang/ B. C. wangfang# D. wangfangThe 7. UNIX operating system is a ().A. sin

5、gle user, single task OS, B., real time operating systemC. multi-user multitasking operating system D. single user multitasking operating system8. of the following four items that do not belong to the computer virus are ().A. latent B. immunityC. infectivity, D., arousal9. the ROM in the main memory

6、 of an electronic computer refers to.A. cannot change its data. B. can only read data and cannot write dataC. is usually used to store system programs, and more than D. is10. in the microcomputer sold on the market, often see CPU marked as Pentium 4/1.2G, where 1.2G means ().The clock frequency of A

7、. CPU is 1.2GMHz B. CPU, and the operation speed is 1.2Gb/sC. processor product serial number D. CPU and memory data exchange rate11. the following statement is correct.A. 1KB = 1024 * 1024 Bytes B. 1KB = 1024 MBC. 1MB = 1024 * 1024 Bytes D. 1MB = 1024 Bytes12. requires at least (bit) binary to repr

8、esent any four bit decimal number.A. 10, B. 14, C. 13, D. 1613. in the following memory, the message will be lost after power failure.A. ROM B. RAMC. CD - ROM D. hard disk14. the cause of the virus is ().A. user program error. B. computer hardware faultC. made mistakes in making computer software fo

9、r D.FifteenSince the advent of electronic computers, the concept of stored procedures has been maintained, no matter how innovative the machine is.A. B. von Neumann Babbage C. Pascal D. BaerTwo, calculation questions (20 points)1.32 bit floating point numbers, in which the order 1, the order 7, the

10、number 1, and the mantissa 23. What is the maximum positive number that it can represent? 2127 (1223)2., convert decimal numbers (20.8125) 10 into binary numbers. Ten thousand and one hundred point one one zero one3. binary numbers (10100110) 2 are represented in decimal numbers. (166) 104., octal n

11、umbers (305) 8 are converted into sixteen hexadecimal numbers. (C5) 16Three, noun explanation (30 points)1. a process in which data and information are collected, transmitted, exchanged, or redistributed between 1. computers by means of a communication channel.2. the symbolic address of the domain 2

12、. represented in string IP.3. data structure 3. a collection of data elements with a structure that reflects a certain connection between the data elements.4. bandwidth 4. the capacity of a channel to transmit bits per second.5. computer virus 5. is a program that artificially interferes with and de

13、stroys computer systems and is easy to spread.6. Internet6. the worlds largest computer network interconnected by many networks.Four, questions and answers (20 points)1. what is an operating system? What are the basic functions of an operating system?2. lists three types of network topologies and sh

14、ows what characteristics they have3. what are the components of a database system?4. what are the main functions of memory in a computer? Why do you divide the storage system into several layers?Answer: 1. answer: operating system is the management of computer resources and control procedures, is th

15、e user and computer interface. The completion functions include processor management, memory management, file management, device management, and job management.2. answer: star type, ring type, bus type and hierarchical type, etc. (three kinds can).3. answer: database, database management systems, da

16、tabase administrators, database applications and users.Answer: the 4. main functions of memory is stored procedures or various types of data, the memory is divided into Cache - memory - secondary storage at different levels, in order to expand storage capacity and improve the access speed. The forme

17、r allows memory speed to match CPU, the latter to expand storage capacity.Computer introduction questions, answers and scoring criteria(for reference)I. choice questions (30 points)B, C, D, A, A, C, B, D, D, A, C, B, B, C, BTwo, calculation questions (20 points)1.2127 (1223) 2. 10100.1101 3. (166) 1

18、04. (C5) 16Three, noun explanation (30 points)1. a process in which data and information are collected, transmitted, exchanged or redistributed between computers by means of a communication channel.2. the signed IP address represented in string.3. a collection of data elements with a structure that

19、reflects a certain connection between the data elements.4. the capacity of a channel to transmit bits per second.5. is the artificial manufacture to the computer system work has the disturbance and the destruction function, and the extremely easy dissemination procedure.6., the worlds largest comput

20、er network interconnected by many networks.Four, questions and answers (20 points)1. answer: operating system is to computer resources management and control procedures, is the user and computer interface. The completion functions include processor management, memory management, file management, dev

21、ice management, and job management.TwoAnswer: star type, ring type, bus type and hierarchical type, etc. (three kinds can).3. answer: database, database management systems, database administrators, database applications and users.Answer: the 4. main functions of memory is stored procedures or variou

22、s types of data, the memory is divided into Cache - memory - secondary storage at different levels, in order to expand storage capacity and improve the access speed. The former allows memory speed to match CPU, the latter to expand storage capacity.Computer introduction questionsScoreThe markingA mu

23、ltiple choice (30 points, 2 points for each item)1. within the computer, data that is used to transmit, store, and process is actually in the form of ().A. decimal code, B., octal code, C. sixteen, binary code, D. binary code2. a complete computer system shall include ().A. ALU, controller and memor

24、y, B. host and application programC. hardware systems and software systems, D. hosts and peripherals3. the CPU in a microcomputer refers to ().A. memory and arithmetic device, B. input device and output deviceC. memory and controller, D. controller and arithmetic unitIn the 4. Excel2000, a region co

25、nsists of six cells, A1, A2, A3, B1, B2, and B3. The following cannot indicate that the region is ().A., A1:B3, B., A3:B1, C., B3:A1, D., A1:B15. the track on the disk is ().A. a group of concentric circles with different density records, B., a group of concentric circles of the same densityC. a gro

26、up of Archimedes spiral D. with different densities, recording a Archimedes spiral with the same density6. the following E - mail address is correct ().A. wangfang/ B. C. wangfang# D. wangfang7. in the data list in Excel, each column of data is called a ().A. field, B. data item, C. record, D. serie

27、s8. of the following four items that do not belong to the computer virus are ().A. latent B. immunityC. infectivity, D., arousal9. the ROM in the main memory of an electronic computer refers to.A. cannot change its data. B. can only read data and cannot write dataC. is usually used to store system p

28、rograms, and more than D. isThe default extension for the 10.Word document is ().A.,.TXT, B.,.DOC, C.,.DOT, D.,.RAR11. in the edit state of Word, follow the paste command in the edit menu ().After the selected content of the A. is moved to the insertion point, the selected content of the B. is moved

29、 to the clipboardC. the contents of the clipboard move to the insertion point. The contents of the D. clipboard are copied to the insertion point12. requires at least (bit) binary to represent any four bit decimal number.A. 10, B. 14, C. 13, D. 1613. the greatest advantage of a computer network is (

30、).A.Shared resource B. increases capacity, C. speeds up computation, and D. saves manpower14. the cause of the virus is ().A. user program error. B. computer hardware faultC. made mistakes in making computer software for D.15., the electronic computer has been published so far, no matter how the mac

31、hine how to bring forth the new, still retains the stored procedures concept, the first to put forward this concept is ().A. B. von Neumann Babbage C. Pascal D. BaerScoreThe markingTwo, math (20 points, 10 points for each item)1., convert decimal numbers (77.25) 10 into sixteen hexadecimal numbers.

32、4D.42. binary numbers (101101101101.110) 2 are represented in decimal numbers. Two thousand nine hundred and twenty-five point seven fiveScoreThe markingThree, glossary (30 points, 5 points for each item)1. hardware 1. refers to the actual physical equipment including the mainframe and external equi

33、pment of the computer.2. the symbolic address of the domain 2. represented in string IP.3. network protocol 3. the rules for communication between computers on a network.The number of bits of binary information that can be directly processed by a 4. word 4. microcomputer.5. computer virus 5. is a pr

34、ogram that artificially interferes with and destroys computer systems and is easy to spread.6. Internet6. the worlds largest computer network interconnected by many networks.ScoreThe markingFour questions (20 points, 5 points for each item)1. what is an operating system? What are the basic functions

35、 of an operating system?2. what is called LAN? What are the features of LAN?3. what is called a computer input device? Name three commonly used input devices.4. what are the main functions of memory in a computer? Why do you divide the storage system into several layers?Answer: 1. answer: operating

36、system is the management of computer resources and control procedures, is the user and computer interface. The completion functions include processor management, memory management, file management, device management, and job management.2. answer: the research limited computer network, has the smalle

37、r geographical scope, the higher transmission speed and the low error rate.3. answer: input information to the computer equipment, mouse, keyboard, scanner and so on.Answer: the 4. main functions of memory is stored procedures or various types of data, the memory is divided into Cache - memory - sec

38、ondary storage at different levels, in order to expand storage capacity and improve the access speed. The former allows memory speed to match CPU, the latter to expand storage capacity.Introduction to computer questions, answers and scoring criteria(for reference)I. choice questions (30 points)D, C,

39、 D, D, A, A, B, D, D, B, D, B, A, C, BTwo, calculation questions (20 points)1. 4D.4 2. 2925.75Three, noun explanation (30 points)1. refers to the actual physical equipment, including the computers mainframe and external equipment.2. the signed IP address represented in string.3. rules for communicat

40、ion between computers on a network.4. the number of bits of binary information that can be directly processed by a microcomputer.5. is the artificial manufacture to the computer system work has the disturbance and the destruction function, and the extremely easy dissemination procedure.6., the world

41、s largest computer network interconnected by many networks.Four, questions and answers (20 points)1. answer: operating system is to computer resources management and control procedures, is the user and computer interface. The completion functions include processor management, memory management, file

42、 management, device management, and job management.2. answer: research within a limited range of computer networks,It has smaller geographical range, higher transmission speed and lower bit error rate.3. answer: input information to the computer equipment, mouse, keyboard, scanner and so on.Answer:

43、the 4. main functions of memory is stored procedures or various types of data, the memory is divided into Cache - memory - secondary storage at different levels, in order to expand storage capacity and improve the access speed. The former allows memory speed to match CPU, the latter to expand storag

44、e capacity.Computer introduction questionsScoreThe markingA multiple choice (30 points, 2 points for each item)1. within the computer, data that is used to transmit, store, and process is actually in the form of ().A. decimal code, B., octal code, C. sixteen, binary code, D. binary code2. attachment

45、s in e-mail ().A. cannot exceed the length of the message body. The B. length must exceed the message bodyC. can pass a non text file, and D. cannot pass a non text file3. the host of a computer usually refers to.A. printer, B. hard disk drive, C. case, D. CPU and memory4. when using the IE browser

46、to access the WWW site, the following statement is correct ().A. can only enter the domain name B. and enter the IP address or domain nameC. needs to enter both the IP address and the domain name. D. can only enter the IP address5. which of the following does not belong to multimedia?.A. compressibi

47、lity, B. diversity, C. interactivity, D. integration6. means ().A. URL B. protocol C. domain name D. file name7. the main technical parameters of bitmap images are ().A. resolution, B. color, depth, C., palette, D., or more8., PowerPoint is mainly used to do the work of the software ().A. makes mult

48、imedia animation, B. produces electronic manuscriptsC. makes web sites, D., and spreadsheets9. the following E - mail address is correct ().A. wangfang/ B. wangfangC. D. wangfang#10. does not belong to the service provided by Internet.A. information query, B. network game, C. remote login, D. multim

49、edia software production11. in a computer system, it is at the bottom that it is directly in contact with the hardware and provides support to other software.A. language processor, B. operating systemC. utility D. database management system12. IP address and domain name ().A. doesnt have a correspon

50、ding relationship. B. has some kind of correspondenceC. is a one-to-one relationship, and the D. domain name is the IP address13. the greatest advantage of a computer network is ().A. shared resources, B. increases capacity, C. speeds up computation, and D. saves manpowerLess than 14. of the Interne

51、t does not belong to the main mode of access.A.Dial-up access, B. broadband accessC. single user access to D. LAN access15. a complete computer system, including ().A. input device and output device, B. hardware system and software systemC. keyboard and printer, D. peripherals and hostsScoreThe mark

52、ingTwo, fill in the blanks (40 points, 2 points per empty)1., information system can be divided into three categories: data processing system, management information system and decision support system.2. IP addresses, including network addresses and application software, are two important identifier

53、s.3. Wan English abbreviated as WAN, _ _, LAN English abbreviated as _LAN_.4. computer software is generally divided into _ system software and application software _ _ _ two.5. Internet (Internet) the most basic communication protocol is the TCP/IP protocol, and the MODEM in Chinese means the modem

54、.6. management information system includes: input device, output device, controller, arithmetic unit, memory four parts.7. the hardware of computer system mainly includes five parts: system hardware resource, system software resource, management information system, application software and system ma

55、nagement.ScoreThe markingThree, glossary (20 points, 5 points for each item)1. the symbolic address of the domain 1. represented in string IP.2. network protocol 2. the rules for communication between computers on a network.3., software life cycle 3., software products from the formation of the concept of start, through development, use and maintenance, until the entire process of decommissioning.4. ASCII code 4. American standard message interchange code for conversion of commonly used