计算机基础双语练习题

1 Chapter 1 Part EXERSICE 1 A handheld computer is essentially a PDA enhanced with features such as removable storage e mail Web access voice communications built in camera and GPS A True B False 2 It is important to turn on all peripheral devices before you turn on the system unit A True B False 3 A screen saver will be displayed on a computer monitor after a specified period of inactivity on your computer A True B False 4 Windows allows you to select a different screen saver but you cannot change the wait time before a screen saver is displayed A True B False 5 Computer scientists have proposed that the term kilobyte be used to refer to 1024 bytes A True B False 6 Icons on the Windows Taskbar require a double click to start the associated program A True B False 7 Which of the following is considered a good tip to use when selecting a secure password A Use a password that is eight characters or more B Use a word out of the dictionary and spell it backwards C Use a password using only letters D Use part of your user ID so you can remember your password more easily 8 To turn on a desktop computer you need to press the A Power button for the system unit B Power button for the monitor C Both A and B D None of the above 9 All of the following are peripheral devices EXCEPT a n A Monitor B Printer C System unit D Scanner 10 During the Windows boot process the computer A Checks its circuitry B Loads the operating system C Looks for connections to peripheral devices D All of the above 2 11 When a computer is in sleep mode it A Has been turned off incorrectly B Is downloading your e mail C Conserves power by not turning the monitor or disk drives D All of the above 12 Screen savers were originally designed to A Entertain computer users B Hide work while the user was away from the computer C Display artwork D Prevent an image from being permanently burned onto the screen 13 To clear a screen saver you would A Move the mouse B Turn the computer off C Press any key D Both A and C 14 The typing keys on a computer keyboard include the A Letters of the alphabet B Punctuation keys C Number symbol keys near the top row of the keyboard D All of the above 15 The key deletes one character to the left of the insertion point that marks your place on the screen A Enter B Backspace C Alt D Delete 16 The key deletes characters to the right of the insertion point that marks your place on the screen A Enter B Backspace C Alt D Delete 17 The provides a calculator style keypad for efficiently entering numbers A Typing keys B Function keys C Editing keys D Numeric keypad 18 The key captures the image on the screen and stores it in memory A PrtSc B Esc C Pause D Windows 19 Technologies used to equip devices with location awareness include A Cellular networks 蜂窝式网络 3 B GPS Global Position System 全球定位系统 C RFID Radio Frequency Identification 射频识别 俗称电子标签 D All of the above 20 The system has only two digits 0 and 1 A binary B decimal C biennial 两年生植物 D octal 八进制 21 The Windows desktop contains small pictures called which represent hardware devices programs and data files A Pics B Sunbursts C Icons D Mice 22 By pressing the key combination you can close a program that has stopped responding A Tab Ctrl Alt B Shift Alt Enter C Ctrl Alt Del D Del Enter Spacebar 23 The reset button performs a n by reinitiating 重启 your Windows desktop without actually turning the computer off and then turning it on again A Soft boot 软启动 软启动 B Hard boot 硬启动 C Restart D Shut down 24 Most cultures use the decimal number system because A People started counting on ten fingers B Roman numerals are not politically correct C The binary number system is too complicated D Egyptian kings outlawed all other number systems 25 In a n number system such as the binary number system or the decimal number system the value of a digit is determined by its position in relation to other digits A Computer B Carry C Positional D Non zero 26 When you add 1 1 in the binary number system the answer is A 1 B 2 C 10 D 11 27 When you counting in binary the next number after 101 is A 102 4 B 110 C 1011 D 1100 28 The place values for the binary number system are A 32 16 8 4 2 1 B 10 8 6 4 2 C 100 10 1 0 D 1000 100 10 1 29 Binary digits are also called A Bits B Bytes C Capacitors D RAM 30 The binary digits 0 and 1 can correspond to the on and off states of when data is held in memory A Capacitors 电容电容 B Magnetic particles C Tones D Carrier waves 31 The binary 0 and 1 can correspond to the negatively and positively charged magnetic particles that A Hold data in RAM B Store data on disk C Represent data when it is transmitted D Are produced by a printer 32 Use paper and pencil to convert the binary number 1111000 to its decimal equivalent You answer is A 100 B 120 C 140 D 1000 33 Use paper and pencil to convert the binary number 101010 to its decimal equivalent You answer is A 3 B 24 C 42 D 336 34 Use paper and pencil to convert the binary number 11101 to its decimal equivalent You answer is A 26 B 29 C 464 D 567 35 Use paper and pencil to convert the binary number 11000111 to its decimal equivalent You 5 answer is A 199 B 200 C 210 D 202 36 Use paper and pencil to convert the binary number 00001111 to its decimal equivalent You answer is A 15 B 20 C 25 D 30 Use paper and pencil to convert the decimal number 84 to its binary equivalent You answer is A 0001010 B 10101010 C 01010100 D 10001111 37 Use paper and pencil to convert the decimal number 21 to its binary equivalent You answer is A 00000011 B 11000001 C 00010101 D 00010110 38 Use paper and pencil to convert the decimal number 60 to its binary equivalent You answer is A 00000100 B 00001000 C 00111100 D 11110000 39 Use paper and pencil to convert the decimal number 137 to its binary equivalent You answer is A 100011000 B 10010001 C 10001001 D 01111101 40 Use paper and pencil to convert the decimal number 247 to its binary equivalent You answer is A 11110111 B 01000011 C 10110110 D 11111001 41 supplies an accessory program called Calculator that can be used to convert decimal to binary and binary to decimal A Memory 6 B The binary number system C The Windows operating system D All of above 42 The view helps you convert binary numbers to decimal numbers and decimal numbers to binary numbers A Standard 标准 B Basic C Math D Scientific 2 Chapter 2 Computer Hardware Part EXERSICE 1 Typically today s microprocessors are housed in a PGA pin grid array chip package A True B false 2 Floppy disks are also considered hard disks because they have a hard or rigid plastic case A True B false 3 Peripheral devices can be added to a computer system to enhance the system s functionality A True B false 4 Pointing sticks and trackpads 触摸板 are typically supplied with notebook computers to save you from having to carry a mouse as an extra component A True B false 5 The term refers to the specifications 规格 of the components that are installed in a computer system A RAMAC B Access specifications C System graphics memory D System configuration 6 The System Information utility is able to identify a computer s microprocessor because A It keeps a log of all microprocessors that have been manufactured for PCs B A microprocessor contains a CPUID CPU 的标识符 的标识符 that can be accessed by the System Information utility C The microprocessor data is held in a special sector of the hard disk drive that can be accessed by the System Information utility D The microprocessor s make and model are stamped on the outside of the chip carrier 7 Physical Memory 物理内存 refers to A Hard disk space B RAM C CMOS D The number of DIMM 双线内存模块 modules 8 You can measure processor speed disk access speed 3D graphics capabilities and more using a n A Frame rate test B Benchmark test 标准检查标准检查 C Bandwidth test 带宽检查 D RAM test 9 A benchmark test can be appropriately 适当的 used for all of the following EXCEPT 3 A To compare the performance of two computer systems when selecting a new computer B To compare the effect of installing a new component or device C To change the performance of a particular computer component D As a diagnostic tool 诊断工具 to pinpoint 查明 virus induced or hardware related equipment problems 10 If you would like an overall picture of how well your computer will run application software you ll get the best data by looking at the results of a n A Application based benchmark test B Playback 录音重放 test C Synthetic 合成 test D Inspection test 11 tests are typically used to gauge 测量 microprocessor performance A Application based B Playback C Synthetic 合成的 合成的 D Inspection 12 Because microprocessor manufacturers have found ways to tailor their products to excel at the operations measured by benchmark tests A The results of a single benchmark test may not provide an accurate picture of overall performance B Most benchmark tests provide a proctor module that prevents cheating C The tests are rarely used by microprocessor manufacturers to measure their own products D Using the results of the benchmarks are not valid unless approved by an independent testing firm 13 Microprocessors work with two kinds of numbers and so it is important for a processor benchmark to measure processing speed for both types of numbers A Long short B Binary decimal C Integer floating point D Finite infinite 14 A computer creates by rendering a surface over a wireframe 线框 A 2D graphics B Icons C Objects that appear to be three dimensional D Benchmark results 15 A n is one screenful of data or its equivalent storage space A Frame rate B Frame C Benchmark D Video 16 Fast frame rates are important for displaying A Smooth video and animations B Desktop icons C Large databases 4 D All of the above 17 If you are interested in the speed of your computer in accessing Web pages and e mail you should run A A bandwidth test B A processor test C A RAM test D A disk test 18 There are three types of storage technologies commonly used for personal computers optical and solid state A Fiber optic B Magnetic C Electronic D Random access 19 A personal computer display system consists of A A scanner B A graphics card C A display device D B and C 20 mode is a limited version of Windows that allows you to use your mouse monitor and keyboard but no other peripheral devices A Reboot B Safe C Recovery D Backup 2 Chapter 3 Computer Software Part EXERSICE 1 Usually all the files for downloaded software are zipped to consolidate them into one large file A True B False 2 Presentation software assists you with composing editing designing printing and electronically publishing document A True B False 3 It is good practice to scan downloaded filled for viruses before installing them A True B False 4 software is an example of utility software A Graphics B Security C Desktop publishing D Publishing 5 All the files needed for new software are to consolidate them into one large file A reconstituted B unzipped C uncompressed D zipped 6 On PCs executable programs are stored in files with a n extension A exe B doc C dll D bmp 7 Both open source and can be copied an unlimited number of times distributed for free sold and modified A public domain software B freeware C shareware D demoware 3 4 Chapter 4 Operating Systems and File Management Part EXERSICE 1 When using Windows you cannot use a reserved word such as Aux as a file name A True B False 2 Software applications such as word processing or graphics software do not allow you to rename or delete files A True B False 3 In Windows Explorer you can work with only one file or folder at a time A True B False 4 You can use spaces in file names A True B False 5 The earliest user interface was a command line interface that required users to type memorized commands to run programs and accomplish tasks A True B False 6 Desktop operating systems typically are designed to accommodate a single user but also may provide networking capability A True B False 7 The plus sign icon in Windows Explorer can be used to collapse a device or folder to hide levels of the hierarchy A True B False 8 Linux may be used as a desktop operating system A True B False 9 The main hard disk drive on a PC is usually referred to as drive C A True B False 10 Which of the following is responsible for allocating specific areas of memory for each program running on your computer A The microprocessor B The operating system C RAM D None of the above 11 If you want to rename a file that you are currently editing in Microsoft Word which is the best command to use A Save B Save As C Save