计算机组装与维护（Computer assembly and maintenance）

1、计算机组装与维护（Computer assembly and maintenance）1.CPU frequency is 100MHZ, frequency is 17, then the working frequency of CPU (i.e., frequency) is (1.7) GHzThe 2.AGP slot inserted component is (video card)3.BIOS is the most basic and the most important program in the computer9. (hardware) is the material

2、 basis of the computer system, and (software) is the soul of the computer system, the two complement each other, are indispensable.13., the world's two largest chip (CPU) manufacturers are (AMD) and (INTEL).64, 18 people used to call the card 128 card and 256 card refers to the corresponding wid

3、th (Xian Cun).24. the main purpose of adding heat sink and fan to CPU is to disperse the heat generated by CPU during operation.25, chassis front panel signal line connection, HDD led refers to (hard disk light), reset refers to (reset switch).29., installing CPU is the purpose of smearing silica ge

4、l for better heat dissipation (for CPU).30., the quality guarantee period of the hard disk is generally (3) years, and the quality guarantee period of the mainboard is generally (3) years.35. modems can be divided into ADSL and VDSL.36., the mouse according to its working principle to divide, have m

5、echanical mouse, photoelectricity mouse, wireless mouse several kinds.38. display according to the display principle, usually divided into CRT, LCD and so on.39. computer system consists of two parts: hardware system and software system.42.cpu socket has AMD, Intel and so on.45. memory, generally di

6、vided into memory and external memory. Usually memory is also called primary memory.Analysis and judgment method of 47. microcomputer fault have direct sense method of direct observation, plugging method and comparative method,And program testing, etc.48., according to whether the contents of the st

7、orage is variable, the memory is divided into RAM and ROM.The 52. controller is integrated with the arithmetic unit, collectively referred to as cpu.53, CPU is the abbreviation of central processing unit.55. external memory including mobile hard disk, MP3.MP4.56.1971 years, the United States Intel c

8、ompany successfully to (arithmetic unit) and (logical arithmetic unit) integrated, invented the world's first microprocessor.57. computers can be divided into two parts: software and hardware.58. arithmetic unit is the processing and processing part of information. Its main function is to accomp

9、lish arithmetic operation and logic operation.The 62. arithmetic unit is integrated with the controller, which is commonly referred to as CPU69. computer software can be divided into system software and general software.70. usually the number of binary digits that a computer data bus contains is cal

10、led word length.The 72.cpu bus includes data bus, control bus and address bus.75. frequency = FSB x multiplier.76. additional instructions can improve the ability of CPU to process data such as multimedia and 3D images.78. motherboard in accordance with the structure can be divided into at structure

11、 and ATX structure of the motherboard.80.bios is the basic input and output system used to control the motherboard.82. computer internal storage also known as the main memory, generally referred to as memory,The 89. card is the role of the CPU to deal with the graphics information stored in the vide

12、o memory, and convert it into analog signal output to the display.95., according to display devices used for classification of display devices, there are CRT, lcd.97., according to the principle of work, the mouse can be divided into mechanical mouse, optical mouse, photoelectric mouse.99 according

13、to the working principle of printers, printers in the market can be divided into three categories: stylus printers, laser printers, inkjet printers.101. multimedia speakers in accordance with the amplifier in the external, can be divided into active speakers and passive speakers.102., according to t

14、he arrangement of the motherboard on the different positions,Chip sets can generally be divided into South Bridge chip and Beiqiao chip.117., according to the shape of the chassis, chassis can be divided into vertical chassis and horizontal chassis two categories.121. in general, disassembly of the

15、chassis and loading the power is the first step in the assembly of the personal computer.122., there are two main categories of CPU that are popular in the market: slot structure and socket structure.123 before installing the chassis, it is generally necessary to install the CPU and the fan first.12

16、6. generally speaking, there are 2 ide interfaces on the motherboard, and each IDE interface can connect to one master disk and one slave disk.128.bios has three main brands: aword, AMI, and phoenix.130. hard disk mode (mode) there are three, namely normal, LBA, large.132.bios is the abbreviation of

17、 basic i/o system, and BIOS controls some of the basic input and output of the main board.134., we usually call each hard disk as a physical hard disk, and the "c:" or "d:" and other "drive/" drives, which are built after the partition of the hard disk, are called logic

18、al disks.139. now commonly used file systems are: FAT32, fat, ntfs.141. computer failure according to the production mechanism can be divided into hardware failure and software failure.142 computer failures can be divided into overall and local faults in accordance with the range of influence that o

19、ccurs.143. computer failures can be divided into frequent faults and occasional failures in terms of frequency and duration.146., if after the boot prompt "CMOS Battery statr low", sometimes can start, use a period of time after the crash, this phenomenon is mostly insufficient power suppl

20、y.152. computer viruses are actually some kind of destructive.Two choice questions.2. the following CPU instruction set (B) is a multimedia extended instruction set.A.simd, b.mmx, c.3dnow, d.sse!3. of the following vendors (B) is the manufacturer of Celeron (Sai Yang) cpu.A.amd el c.sis d.via8.

21、, a microcomputer model contains 486, 586, PII, PIII and other words, its meaning is (D)A. memory capacity, B. hard disk capacity, C. display specifications, d.cpu grade9. complete computer systems include both (A).A. hardware and software B. host and peripherals C. input / output device memory and

22、the disk D."10.rom" means (),A. floppy disk drive, B. random access memory, C. hard disk drive, D. read only memory 11., storage capacity in microcomputer system (C) is the biggest.A. memory, B. floppy disk, C. hard disk, D. disk12., after the boot, the computer first device testing, known

23、 as (D).A. boot system, B. device detection, C. boot, D. system self-test13. the development of microcomputers is characterized by the development of (C).A. software, B. host, C. microprocessor, D. controller14. in most microcomputers, if you want to use the BIOS to set the CMOS parameter, the key t

24、hat should be pressed after booting is (D).A.ctrl b.shift C. space d.del18. in the following memory, the cache belongs to (B),A.eprom b.cache c.dram d.cd-rom21. open the registry compiler, we want to enter in the running bar (C).A.msconfig b.winipcfg c.regesit d.cmd22. all the information in the com

25、puter is represented by (B).A. octal code B. binary code, c.ascii code, d.bcd code24., the history of micro computer development can be seen as (A) development history.A. microprocessor, B. motherboard, C. memory, D. electronic chip25. for microcomputers,(A) the speed of work basically determines th

26、e speed of the computer's budget.A. controller, B. arithmetic unit, c.cpu D. memory26. controller through certain (A) to make the computer orderly work and coordination, and in a certain form and peripheral for information communication.A. control instruction, B. decoder, C. logic unit, D. regis

27、ter27. for a computer, (D) grades basically determine the overall level of the computer.A. memory, B. host, C. hard disk, d.cpu28., in computer work, (C) provides the processor with the data used by the computer.A. instruction register, B. controller, C. memory, d.cpuThe result of the 29. arithmetic

28、 budget is stored in (B).A. instruction register, B. memory, C. controller, d.cpu30. a computer (A) device is a computer and an external exchange of information equipment.A. input and output B. peripherals, C. central processor, D. memoryThe 31. input device is responsible for converting the compute

29、r's processing problem into the B information that can be accepted and recognized within the computer. A.ascii code, B. binary, C. digital, D. electric32. a byte consists of (c) bits of binary information.A.2 b.4 c.8 d.1633 the capacity of a computer is usually expressed in terms of (D).A. bits,

30、 B. words, C. words, D. bytes36. computer boot self-test is done in (C).A.cmos, b.cpu, c.bios, D. memory38. the data stored in (d) can not be rewritten, after the power failure, the data will not be lost.A. random access memory, B. internal memory, C. external memory, D. read only memory40. the info

31、rmation recording medium in the hard disk is called (A).A. tracks, B. disks, C. sectors, D. disks41. when using a small keyboard, the A button switches between cursor and digital function.A., num, lock, b.tab, c.caps, lock, d.shift48., we often heard of 40x CD-ROM, refers to the CD-ROM (B).A. transf

32、er rate, B. access speed, C. cache, D. speed50., power supply is generally installed in the vertical box (C), the computer power is put in, do not put anti.A. bottom B. middle C., top D. above is not correct55. which of the following is not a common file system now used?. (B)A.fat b.dos c.fat32 d.nt

33、fsThree judgment questions (t is yes, f is no)1. the information that the computer wants to process should be converted into electrical signals before it can be processed. (T)2. arithmetic unit is the component of adding, subtraction, multiplication and division, it can't carry on the logic oper

34、ation. (f)The 3. controller is the part of the computer that commands. (T)4. temporary exchange of data files that can not be stored during program storage in a computer memory. (f)5. computer memory can only store long-term stored computer programs and data. (f)The result of the budget of the 6. pr

35、ocessor is usually not stored in memory. (f)7. the speed of memory generally does not affect the speed of the computer. (f)8., the memory capacity is relatively large, slow storage speed. (f)9. out of the large capacity of information recorded on a magnetic medium surface, but slower. (T)10. compute

36、r external storage devices such as hard disk, that can be used as an external storage device, but also as a CPU to provide input and output functions of peripherals. (T)The 11. operating system belongs to the computer application software. (f)12. the computer can only handle 0 and 1 two binary numbe

37、rs. (T)When 13.cpu and memory exchange information, they are accessed as bits. (f)14. bytes are the smallest units in which a computer can process data. (f)FifteenThe data frequency between the CPU data bus and the two stage cache, memory and bus expansion slot is exactly the same as the clock frequ

38、ency. (f)16. frequency is also called the clock frequency, the unit is hz. (f)17. the FSB is used to represent the computing speed of cpu. (f)18., the main frequency is used to indicate the operation speed of CPU, the higher the main frequency, the faster the operation speed of the surface cpu. (T)1

39、9. the size of the cache has nothing to do with the performance of the computer. (f)20., the motherboard is the basis for all the components of the computer connection. (T)21., the mouse is usually connected to the com port. (f)The 22. printer is usually connected to the serial port (f).The program

40、in 23.ram is usually written by the manufacturer at the time of manufacture and cannot be changed by the user. (f)24., we generally refer to memory refers to ROM. (f)25. memory capacity is not large, but access speed is very fast. (T)26., as with graphics cards, sound cards also have different bus i

41、nterfaces. (T)27. the software, programs, and data needed for the computer, including the operating system, need to be stored on the hard disk. (T)28. mouse is a point input device. (T)29., in choosing the motherboard, we must first determine the motherboard for the use of chipsets, and secondly, se

42、lect the specific brand. (T)30. in the motherboard chipset, the south bridge chip group plays a leading role, but also become the main bridge. (f)31. different CPU requires different chipsets to support it. (T)32. memory read and write cycles are determined by memory itself. (f)33.cpu has a level tw

43、o cache, and the hard disk does not cache. (f)34. now more and more CPU puts high-speed two level cache inside cpu. (T)35. various expansion slots used in the computer are supported by chipsets. (T)36., the choice of computer accessories, there is no sequence, you can randomly choose one by one. (f)

44、37. memory has little impact on the speed and stability of your computer. (f)38. memory like ram, also have access speed difference. (T)39. generally speaking, the effect of plastic speakers is better than that of wooden speakers. (f)40. computer performance mainly includes software performance and

45、hardware performance, but software plays a decisive role in the performance of the computer. (f)41. the keyboard now has 101 or 104 keys, plus 107 or 108 keys. (T)42. parallel interface is characterized by data transmission at the same time, data transmission faster, suitable for long-distance trans

46、mission. (f)43. there is no direction problem when installing cpu. (f)44. information in memory and disk information will be lost in power after all. (f)45.agp slots are generally longer than PCI slots. (f)46., the mouse and keyboard jack can mix. (f)47. sound cards are generally installed in the AG

47、P or isa slot. (f)48. hard disk can be used as main disk, but CD driver can only be used as slave disk. (f)49., pay attention to the direction when connecting the power line and the data line. (T)50., the general physical hard disk can be set into a logical disk, or can be set into a multi block log

48、ical disk to use. (T)51. after partitioning a hard disk, if another partition is installed, the other partitions cannot install the operating system. (f)52. when there is a boot from the hard disk, there is only one partition in which the operating system is put into operation. (T)53., if you want t

49、o make logical partitions of the hard disk, you can only use fdisk provided by windows and DOS, (f)54., an operating system must have a basic partition, but there is only one basic partition. (T)55., the basic partition of a hard disk, can not exceed four, a hard disk can be installed operating syst

50、em, the number of up to four. (f)56., after setting the extended partition, it can not be used directly. The expansion partition can be divided into one or several logical partitions to use. (T)57.fat and FAT32 are the file systems adopted by WINDOWS9X, while NTFS is commonly used by windows, NT, an

51、d windows 2000. (T)Fifty-eightThe operating system is able to use the device only when the appropriate driver has been installed and configured. (T)59. a driver is a program that allows a particular device to communicate with the operating system. (T)60. microcomputer fault refers to the microcomput

52、er system due to some parts of hardware or software can not work properly caused. (T)61. the microcomputer system belongs to the hardware fault because of the software code error and the parameter error and the system malfunction. (f)62. in common BIOS alarm messages, the keyboard error or no keyboa

53、rd present indicates keyboard faults or the keyboard is not connected properly. (T)63., for most users and even many maintenance personnel, chip level maintenance is the most simple and reliable, the most commonly used method. (f)64. simply speaking, the hardware replacement method is to make good u

54、se of the equipment to replace the existing equipment one by one to determine the fault. (T)65. do not use grid software to low-level format hard disk. (T)66. the average computer user is forbidden to turn on the monitor because there is high voltage and the operation is very dangerous. (T)67. compu

55、ter monitors power supply, to ensure that in 220V, the error can not exceed ten percent. (f)68. generally, macro viruses do not infect data files. (f)69. antivirus software can only remove viruses, but not prevent viruses. (f)70. semiconductor memory ROM is a volatile storage device. When the power

56、is switched off, the information stored in it is lost. (f)The 71. disk drive is also an input / output device. (f)72., the current hard disk speed is mainly 5400r/min or 7200r/min. (T)73., in general, the CPU chip is the nearest chip to the Beiqiao chip. (T)74. a CPU frequency is 100MHz, frequency i

57、s 8, the frequency of 800mhz. (T)75. usually the higher the resolution, the clearer the image. (f)76. in general, the bigger the better of the memory card. (f)77. when an optical drive or hard disk is attached to the two IDE sockets, the master and slave settings are not required. (T)78.3d now! Is a collection of instructions for intel. (f)The relationship between FSB system and 79. CPU FSB now is not equal, but a certain multiple relationship. (f)80., the quality of the motherboard, graphics cards and other ci