| 显示国家开放大学系统国家开放大学计算机专业英语所有答案 |
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Firewalls always require high hardware configurations.
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答案是：正确答案是“错”。
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The first step to prevent attack is to install a firewall.
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答案是：正确答案是“错”。
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The web server software flaws can be used by hackers.
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答案是：正确答案是“对”。
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Worm virus such as Blaster can cause a lot of computers to crash.
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答案是：正确答案是“对”。
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New antivirus software is always more effective in defending virus attack.
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答案是：正确答案是“对”。
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A computer virus is also a computer program.
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答案是：正确答案是“对”。
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Data warehouse only contains current information.
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答案是：正确答案是“错”。
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Data warehouse is a single source of information to understand different subjects.
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答案是：正确答案是“对”。
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The decision making is based on information.
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答案是：正确答案是“对”。
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A multimedia system allows end users to share, communicate and process a variety of forms of information in an integrate
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答案是：正确答案是“对”。
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Video can be incorporated into multimedia applications.
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答案是：正确答案是“对”。
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Multimedia refers to a syntheses of graphics, animation, optical storage, image processing, and sound.
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答案是：正确答案是“对”。
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EDI is no longer used in the B2B E-commerce.
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答案是：正确答案是“错”。
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The B2C e-commerce mainly uses the mechanism of EDI and the Web applications.
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答案是：正确答案是“错”。
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Business-to-business e-commerce is the use of e-business between two companies.
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答案是：正确答案是“对”。
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The application of EMIS can improve the efficiency and effectiveness of traditional school tasks.
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答案是：正确答案是“对”。
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The main focus of MIS is the management function of an organization.
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答案是：正确答案是“对”。
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Information system resembles nervous system in that they are both very large.
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答案是：正确答案是“错”。
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Under current (IPv4) specifications , each packet is 16 bits long.
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答案是：正确答案是“错”。
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The packets may travel the same or different routes to the destination.
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答案是：正确答案是“对”。
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The chief responsibility of TCP/IP is to ensure reliable point-to-point connectivity.
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答案是：正确答案是“错”。
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Besides WWW sites, we can find many other resources, such as FTP, Telnet, E-mail.
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答案是：正确答案是“对”。
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Hyperlinks enable users to jump from site to site on the Internet.
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答案是：正确答案是“错”。
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WWW provides access to a variety of Internet resources from different interfaces.
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答案是：正确答案是“错”。
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A switch sends packets to all nodes on a network.
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答案是：正确答案是“对”。
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A WAN is a network that connects LANs and nodes across a wide geographical area.
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答案是：正确答案是“错”。
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Common topologies of networks include the star, bus, and ring.
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答案是：正确答案是“对”。
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White box testing requires the tester to have knowledge of the internal structure.
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答案是：正确答案是“错”。
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Black box testing and glass box testing have the same function to software-testing.
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答案是：正确答案是“错”。
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The job of software testing is often concerned with verification and validation.
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答案是：正确答案是“对”。
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OA and OOD do a great job for increasing the productivity.
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答案是：正确答案是“对”。
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If you want to use the object in the object-oriented software development you should get to know something about what is
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答案是：正确答案是“错”。
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Object-oriented method is widely believed to improve programmer productivity.
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答案是：正确答案是“对”。
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Software engineering covers not only the technical aspects of building software systems, but also management issues.
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答案是：正确答案是“错”。
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The definition of software engineering is "the application of systematic, disciplined, quantifiable approaches to the de
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答案是：正确答案是“对”。
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During initial days of the development of software, everything was done in discipline.
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答案是：正确答案是“对”。
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You can not change the location of the database during creating a new database.
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答案是：正确答案是“错”。
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To use SQL Server, you must install it on your local machine.
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答案是：正确答案是“错”。
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SQL Server can allow many users to visit the database at the same time.
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答案是：正确答案是“对”。
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One major advantage of relation model is that it allows duplication of data.
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答案是：正确答案是“对”。
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Oracle is one example of relational databases.
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答案是：正确答案是“错”。
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Flat-file style of database is suitable for large amounts of data.
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答案是：正确答案是“错”。
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Client/server database system is no longer in use now.
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答案是：正确答案是“错”。
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One field may contai n several pieces of information.
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答案是：正确答案是“错”。
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Database is organized into tables.
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答案是：正确答案是“错”。
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Word Wizard can direct you how to do when you create a specific document, such as a business letter or resume.
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答案是：正确答案是“错”。
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Documents created in Word are hard to be incorporated into Powerpoint.
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答案是：正确答案是“错”。
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Microsoft Word XP is a member of Microsoft office 2000.
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答案是：正确答案是“错”。
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Microsoft Word can help you design and manipulate spreadsheet electronically.
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答案是：正确答案是“错”。
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A spreadsheet is different from a table(表格),for each value is related to the other values in a spreadsheet.
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答案是：正确答案是“对”。
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With WPS, the user can modify a document and print it on a printer.
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答案是：正确答案是“对”。
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Operating systems, compilers and utilities for managing computer resources are low-level programs.
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答案是：正确答案是“对”。
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Application software (also called end-user program) is designed to perform a specific function directly for
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答案是：正确答案是“对”。
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Software is divided into system software, operating system, and application software.
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答案是：正确答案是“错”。
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Paper is a medium for softcopy form.
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答案是：正确答案是“错”。
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One pixel forms one character.
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答案是：正确答案是“错”。
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Input devices can only input letters, numbers and symbols.
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答案是：正确答案是“错”。
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As soon as you turn the computer off, the contents of RAM disappear.
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答案是：正确答案是“对”。
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The CPU usually uses directly the software instructions and data stored in the hard disks.
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答案是：正确答案是“错”。
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RAM stands for read-only memory.
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答案是：正确答案是“错”。
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