5. 移动生产力已经取代传统生产力占据主导地位。 A. 错误 B. 正确 ...

5. 移动生产力是一种先进的生产力形态，其本质是（）。 A. 集约经济 B. 智能经济 C. 信息经济 D. 知识经济 ...

10. （）实现了大数据的技术基础。 A. 传感器的使用 B. 云计算 C. 网络 D. 数据分析 ...

3. www.asp.com is an E-mail address.（ ） A. 错误 B. 正确 ...

18. （ ）(Pravate Key),in encryption, one key is used to both lock and unlock data. Compare with public key. A. Asymmetric key B. Symmetric key C. Coputer virus D. Digital signatures ...

13. （ ） (Motion Picture Experts Group) standards are the main algorithms used to compress videos.Due to the fact that movies contain both images and sound, it can compress both audio and video. A. JPEG B. MPEG C. MIDI D. none of the ...

8. （ ）, technological and managerial procedures applied to computer systems to ensure the availability, integrity and confidentiality of information managed by the computer system. A. Computer Security B. Digital signatures C. Compute...

3. （ ） is a computer technology that creates three dimensional real illusion in an artificial world. A. Vector image B. Bitmap C. JPEG D. Virtual Reality ...

19. （ ）, type of network in which all communications devices are connected to a common channel, with no central server. A. Bus network B. Star network C. Ring network D. none of the above ...

11. （ ）, short for modulator/demodulator, device that converts digital signals into a representation of analog form(modulation) to send over phone lines;a receiving modem then converts the analog signal back to a digital signal(demodulat...