大工15春《专业英语(计算机英语)》在线测试3

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1、 谋学网 大工 15 春专业英语(计算机英语) 在线测试 3单选题 判断题 一、单选题(共 20 道试题,共 80 分。 )1. ( ), which stands for Motion Picture Experts Group (MPEG) Layer 3, is rapidly becoming the standard for music transmission via Internet.A. MP3B. MP4C. JPEGD. AVI-选择:A 2. ( ), the process of changing plaintext data into enciphered text

2、through an algorithm.A. DecryptB. EncryptionC. AuthenticateD. Hacker-选择:B 3. ( ) (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. JPEGB. MPEGC. MIDID. none of th

3、e above-选择:B 4. ( ) is a protocol that lets a user log in to a remote computer and use programs and data that the remote owner has made available, just as if it were their own computer.A. FTPB. WWWC. TelnetD. NSFNET-选择:C 5. ( ) stands for World Wide Web; it is the large global collection of Internet

4、 servers which support hypertext documents coded in HTML, and transferred via HTTP.A. InternetB. WWWC. ARPANETD. ISP 谋学网 -选择:B 6. Which one is a word processing and text editing tool?( )A. PhotoshopB. WordC. Extreme 3DD. Premiere-选择:B 7. ( ), referring to a person who breaks into computer systems fo

5、r the challenge or steal computer resources or corrupt a computers data.A. HackerB. PasswordC. DESD. Authenticate-选择:A 8. ( ), a secret code assigned to a user which is known by the computer system. Knowledge of the password associated with the user ID is considered proof of authorization.A. HackerB

6、. PasswordC. DESD. Authenticate-选择:B 9. ( ) ,conversion of either encoded or enciphered text into plaintext.A. DecryptB. EncryptionC. AuthenticateD. Hacker-选择:A 10. ( ) is the messages, usually text, send from one person to another via the Internet.A. TCP/IPB. TelnetC. FTPD. E-mail-选择:D 11. The ( )

7、was the precursor to the Internet. Developed in the late 1960s and early 1970s by the U.S. Department of Defence as an experiment in wide-area-networking that would survive a nuclear war.A. ARPANETB. AppleC. MicrosoftD. None of the above-选择:A 谋学网 12. ( ), technological and managerial procedures appl

8、ied to computer systems to ensure the availability, integrity and confidentiality of information managed by the computer system.A. Computer SecurityB. Digital signaturesC. Computer virusD. none of the above-选择:A 13. The ( ) is a worldwide system of computer networks in which any one computer can get

9、 information from/or talk to any other connected computer using the TCP/IP protocols.A. InternetB. WWWC. ARPANETD. ISP-选择:A 14. ( ) is a computer technology that creates three dimensional real illusion in an artificial world.A. Vector imageB. BitmapC. JPEGD. Virtual Reality-选择:D 15. ( ), executable

10、code that, when run by someone, infects other executable code in a computer.A. Computer SecurityB. Digital signaturesC. Computer virusD. none of the above-选择:C 16. ( ) (Joint Photographic Experts Group), standard for compressing continuous-tone still pictures. It does not handle black-and-white imag

11、es, nor does it handle motion picture compression.A. JPEGB. MPEGC. MIDID. none of the above-选择:A 17. ( ), the process of compressing a file such that,after being compressed and decompressed, it matches its original format bit for bit.A. Lossy compressionB. Lossless compressionC. Bitmap 谋学网 D. Vector

12、 image-选择:B 18. ( ) will provoke radical changes in the teaching process during the coming decades, particularly as smart students discover they can go beyond the limits of traditional teaching methods.A. AnimationB. WAVC. MultimediaD. none of the above-选择:C 19. ( ), the process of compressing a fil

13、e such that some data is lost after the file is compressed and decompressed.A. Lossy compressionB. Lossless compressionC. BitmapD. Vector image-选择:A 20. ( ) is a way of transferring files over the Internet from one computer to another.A. InternetB. FTPC. E-mailD. ISP-选择:B 大工 15 春专业英语(计算机英语) 在线测试 3单选

14、题 判断题 二、判断题(共 10 道试题,共 20 分。 )1. A Domain Name System is an Internet service that translates domain names to or from IP addresses.( )A. 错误B. 正确-选择:B 2. TCP/IP is the suite of communications protocols used to connect computers on the Internet.( )A. 错误B. 正确-选择:B 3. A leased line is a line rented from a telephone company for the exclusive use of a customer to access Internet.( )A. 错误

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