考题
从供选择的答案中选出应填入英语文句中()的正确的答案。PCs originated as stand-alone (A), however, in recent years many have been (B) to Local Area Networks (LANs). In a LAN, the data and usually the user application reside on the File Server, a PC running a special Network Operating System (NOS) such as Novell's NetWare or Microsoft's LAN Manager. The File Server manages the LAN users' shared access to data on its hard (C) and frequently provides access to other shared resources, such as printers. While a LAN enables users of PC-based databases to share (D) data files, it doesn't significantly change how the DBMS works; all the actual data (E) is still performed on the PC running the database application.A~E: ① calculating ② common ③ connected ④ disks⑤ displayed ⑥ systems ⑦ primers ⑧ processing⑨ some ⑩ workstations
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从供选择的答案中选出应填入英语文句中()的正确的答案。Toolboxes and menus in many application programs were (A) for working with the mouse. The mouse controls a pointer on the screen. You move the pointer by (B) the mouse over a flat surface in the direction you want the pointer to move. If you run out of (C) to move the mouse, lift it up and put it down again. The pointer moves only when the mouse is (D) the flat surface. Moving the mouse pointer across the screen does not affect the document, the pointer simply (E) a location on the screen. When you press the mouse button, something happens at the location of the pointer.A: ① assigned ② designed ③ desired ④ expressedB: ① putting ② sliding ③ serving ④ takingC: ① board ② place ③ room ④ tableD: ① getting ② going ③ teaching ④ touchingE: ① constructs ② indicates ③ instructs ④ processes
考题
从供选择的答案中选出应填入英语文句中()的正确的答案。Applications put computers to practical business (A), but below the (B) it's the heart of an operating system the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (C) .A traditional kernel provides all the functions for applications. The kernel (D) memory, I/O devices and parcels out processor time.The kernel also supports security and fault (E), which is the ability to recover automatically when parts of the system fail.A: ① used ② use ③ apply ④ appliedB: ① earth ② bottom ③ table ④ surfaceC: ① graphics ② data ③ text ④ imageD: ① manages ② manage ③ managed ④ managingE: ① error ② question ③ tolerance ④ problem
考题
从供选择的答案中选出应填入英语文句中()的正确的答案。Software products may be (A) into four basic types: application programs, programming language processors, operating systems, and system utilities.Application programs are programs that (B) useful tasks such as solving statistical problems, or keeping your company's books.Programming language processors are programs that (C) the use if a computer language in a computer system. They are tools for the development of application programs.Operating systems are programs that (D) the system resources and enable you to run application programs.System utilities are special programs that (E) the usefulness of or add capabilities to a computer.A~E: ① manage ② perform ③ support ④ reduce⑤ divided ⑥ enhance ⑦ implemented ⑧ introduce⑨ ranked ⑩ run
考题
从供选择的答案中选出应填入英语文句中()的正确的答案。The C programming language has (A) one of the most (B) programming languages, and it has been implemented on most personal computers and multiuser systems, especially those designed for research and development. It evolved from the version described in Kernighan and Ritche's work (called "KR C" after the authors into(C) variants, including the standard ANSI C, which (D) many type-checking features and includes a standard library. Of the two main (E), KR C is probably the most commonly used on multiuser computers, with ANSI C close behind in the personal computing world, ANSI C is far more common.A~E:① much ② variants ③ complex ④ incorporates ⑤ several⑥ become ⑦ popular ⑧ editions ⑨ come ⑩ users
考题
从供选择的答案中选出应填入英语文句中()内的正确的答案。By using MP3, a 600M-byte music CD can be (A) to 50M bytes or less. It can be streamed (downloaded in chunks) so that you can begin listening to the opening bars while the(B) of the life arrives in the background. And, most important,MP3 music files retain good listening (C) that (D) compression schemes lacked. That (E) of features makes accessing and distributing music on the Web practical for the first time.A: ① pressed ② compressed ③ compress ④ pressB: ① past ② next ③ rest ④ hostC: ① amount ② mass ③ quantity ④ qualityD: ① earlier ② front ③ later ④ backwardE: ① addition ② combination ③ difference ④ condition
考题
从供选择的答案中选出应填入英语文句中()的正确的答案。Software quality assurance is now an (A) sub-discipline of software engineering. As Buckly and Oston point out, (B) software quality assurance is likely to lead to an ultimate (C) of software costs. However, the major hurdle in the path of software management in this area is the lack of (D) software standards. The development of accepted and generally applicable standards should be one of the principal goals of (E) in software engineering.A: ① emerging ② emergent ③ engaging ④ evolveB: ① effective ② effortless ③ light ④ weekC: ① balance ② growth ③ production ④ reductionD: ① usable ② usage ③ useless ④ usenessE: ① management ② planning ③ production ④ research
考题
从供选择的答案中选出应填入英语文句中()内的正确的答案。Software design is a(A) process. It requires a certain (B) 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 (C) software system is straight forward to implement and maintain, easily (D) and reliable .Badly (C) software systems, although they may work are (E) to be expensive to maintain, difficult to test and unreliable.A: ① create ② created ③ creating ④ creativeB: ① amount ② amounted ③ mount ④ mountedC: ① design ② designed ③ designing ④ designsD: ① understand ② understands ③ understanding ④ understoodE: ① like ② likely ③ unlike ④ unlikely
考题
从供选择的答案中选出应填入下列叙述中()内的正确答案:(1)PC总线(A)(2)输入设备(B)(3)网络技术(C)(4)CPU(D)(5)汉字技术(E)供选择的答案A~E:①EISA、PCI、DMA ②键盘、光笔、显示器③EISA、ISA、PCI ④P5、80386、DRAM⑤路由器、网桥、PowerPC ⑥触摸屏、摄象机、鼠标器⑦Internet、TCP/IP、Gateway ⑧CD-ROM、ISA、MPC⑨国标码、外码、MPC ⑩PowerPC、Pentium、Super SPARC(11)内码、GB2312-80、字模 (12)X.25、PCI、数据压缩技术