软件项目计划阶段所产生的文档有(11)、(12)。

单项选择题在面向对象的系统中，系统责任的良好分配原则是(27)。软件配置项是软件配置管理的对象，即软件工程过程中产生的(28)。软件测试计划中的白盒测试是属于(29)个阶段的测试。

单项选择题The kernel is the(66)of an operating system such as Windows98, Windows NT, Mac OS or Unix. The kernel provides basic services for the other parts of the operating system,(67)it possible for it to run several programs at once(multitasking), read and write files and connect to networks and peripherals. Applications and utility programs use the services provided by the kernel to provide practical business functionality.In operating systems such as Windows or most versions of Unix, the kernel(68)everything except application and utility programs.In microkernel operating systems such as Digital Unix and Apples forthcoming Mac OS Server, the kernel(69)supports only multitasking and memory management. Other services such as applications, utilities and the user interface support device drivers, API and graphics which all(70)outside the microkernel.

单项选择题DW的多维数据模型将数据看成数据立方体形式，由①和②组成。

单项选择题一个基本的计算机硬件系统，从功能的角度包括（）五大功能部件。

A.运算器、数据库、存储器、输入设备和输出设备
B.数据库、控制器、存储器、输入设备和输出设备
C.运算器、控制器、存储器、输入设备和输出设备
D.运算器、控制器、数据库、输入设备和输出设备

单项选择题I O系统主要有(24)、(25)和(26)三种方式来与主机交换数据。其中(24)主要用软件方法来实现，CPU的效率低；(25)要有硬件和软件两部分来实现，它利用专门的电路向CPU中的控制器发出I O服务请求，控制器则(27)转入执行相应的服务程序；(26)主要由硬件来实现，此时高速外设和内存之间进行数据交换丝(28)。

单项选择题For each blank, choose the best answer from the four choices and write down on the answer sheet.(21)is a six bytes OSI layer 2 address which is burned into every networking evice that provides its unique identity for point to point communication.(22)is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.(23)functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.(24)is the popular LAN developed under the direction of the IEEE802.5.(25)is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

单项选择题SDLC was invented by IBM to replace the older Bisynchronous protocol for wide area connections between IBM equipment. A varietion of the(71)protocol called NRM is essentially the same as SDLC. SDLC is(72) protocol like HDLC, Frame. Relay or X.25.An SDLC network is made up of(73)that controls all communications, and(74). It is capable of(75)operation, but almost all practical applications are strictly half duplex.

单项选择题Multipurpose Internet Mail Extension (MIME) is a(46)document messaging standard in the Internet enviroment, with MIME, users can send(47)Email messages that include audio, video, graph-ices, and text to any other user of a TCP IP network. Richtext information can also be(48)into messages. It defines the fonts, formats, and(49)features of a document so the document can be easily(50)on many different types of systems.

单项选择题计算机指令系统中采用不同寻址方式的主要目的是(3)。在下列寻址方式中，取操作数速度最慢的是(4)。

单项选择题已知X=-73，若采用8位机器码表示，则[X]原=(1)，[X]补=(2)。