| 1.In the e-mail a user needs a message transfer agent. | |
| | 2.Just about any modern computer can handle text processing and produce basic sounds. | |
| | 3.Multimedia is just two media: sound and pictures. | |
| | 4.The network architecture is a layer-based. | |
| | 5.When you send an e-mail you should provide the sender's e-mail address. | |
| | 6.The TCP/IP Internet protocol suite is formed from five standards. | |
| | 7.Data communications equipment (DCE) accepts the serial data stream from the DTE. | |
| | 8.Viruses can cause programs crashing but can't cause entire hard disk deleting. | |
| | 9.Video cameras are peripheral. | |
| | 10.Only users need to view the internet as a network. | |
| 1.The purpose of the ( ) is to provide fully integrated analog services to users. | |
| | 2.Computer （ ） is a complex consisting of two or more connected computing units， it is used for the purpose of data communication and resource sharing. | |
| | 3.（ ） means the conducting of business communication and transaction over network and through computers． | |
| | 4.With （ ） you can communicate in real time with people all around the world． | |
| | 5.One use of networks is to let several computers share （ ） such as file system,printers,and tape drives. | |
| | 6.Network software consists of （ ） , or rules by which processes can communicate. | |
| | 7.Bitmap images use a grid of small squares known as （ ） to represent images． | |
| | 8.A firewall is a （ ） system designed to protect an organization’s network against threats. | |
| | 9.The display screen is the most common ( ) device used to show you what the computer is doing. | |
| | 10.（ ）：Messages that are sent electronically over a network. | |
| | 11.One of the basic rules of computer security is to change your （ ） regularly. | |
| | 12.Multimedia includes ( ). | |
| | 13.You might work for an organization whose computer system is spread ( ) a building. | |
| | 14.Anti-Virus protects your computer from viruses by ( ) your computer's memory and disk devices. | |
| | 15.Communication through the Internet, the ( ) performs the reverse function. | |
| | 16.The ( ) is a collection of computers connected together by phone lines allows for the global sharing of information. | |
| | 17.The OSI model has ( ) layers. | |
| | 18.Multimedia will become increasingly ( ) throughout every aspect of our lives. | |
| | 19.( ) is not a linear structure. | |
| | 20.Which of the following expressions is true about the Internet? | |
| 1.We can ( ) through the Internet. | |
| | 2.Many viruses do harmful things such as ( ). | |
| | 3.Applications in the Internet can be found everywhere: ( ). | |
| | 4.The Internet is ( ). | |
| | 5.The main areas of network use are ( ). | |
| | 6.Types of media include ( ). | |
| | 7.Viruses can delay their attack for ( ). | |
| | 8.Which of the following structure is the topology? | |
| | 9.The general types of designs for the communication subnet are ( ). | |
| | 10.The subnet consists of two basic components:( ). | |
|
来源：网络整理 免责声明：本文仅限学习分享，如产生版权问题，请联系我们及时删除。
相关文章：
如图所示，轰炸机沿水平方向匀速飞行，到达山坡底端正上方04-30
4.6克某物质在氧气中完全燃烧生成8.8克二氧化碳和5.404-30
以"成败"为内容的古诗04-30
2.3克某物质在空气中完全燃烧,生成4.4克二氧化碳和2.704-30
有三个完全相同的金属小球A、B、C,其中,A球带电荷量为04-30
在比例尺是1比30000000在地图上,量得福州到成都的距离04-30
2003年上旬，英美等国对伊拉克进行了狂轰滥炸，图2所示的04-30
在链球运动中，运动员使链球高速旋转，在水平面内做圆周运04-30
连续进位加法是连续2位或2位以上需要进位的加法,如18804-30
1234=7里面填什么运算符号?该怎样做?不用勾股定理1前04-30