大工16秋《专业英语（计算机英语）》在线测试3
大工16秋《专业英语（计算机英语）》在线测试3一、单选题：
1.( ) shorts for Waveform. It is the audio file format of Microsoft, and it is the waveform sound file format in Windows defined by Microsoft. It is the most common file format of digital sound derived from sampling. (满分:4)
A. MIDI
B. WAV
C. RA
D. Audio
2.A ( ) is a line rented from a telephone company for the exclusive use of a customer to access Internet. (满分:4)
A. leased line
B. online payment
C. credit card
D. ISP
3.( ) is a computer technology that creates three dimensional real illusion in an artificial world. (满分:4)
A. Vector image
B. Bitmap
C. JPEG
D. Virtual Reality
4.( ), the process of compressing a file such that some data is lost after the file is compressed and decompressed. (满分:4)
A. Lossy compression
B. Lossless compression
C. Bitmap
D. Vector image
5.( ):In encryption, a two-key system in which the key used to lock data is made public, so everyone can "lock".A second private key is used to unlock or decrypt. (满分:4)
A. Asymmetric key
B. Symmetric key
C. Coputer virus
D. Digital signatures
6.( ) shorts for Audio-Video Interleaved. It is a video file format supported by Windows and some other software. It can handle the synchronous problem between audio and video information by using the video lossy compressing technology. (满分:4)
A. AVI
B. DAT
C. BMP
D. GIF
7.( ), the process of compressing a file such that,after being compressed and decompressed, it matches its original format bit for bit. (满分:4)
A. Lossy compression
B. Lossless compression
C. Bitmap
D. Vector image
8.( ), technological and managerial procedures applied to computer systems to ensure the availability, integrity and confidentiality of information managed by the computer system. (满分:4)
A. Computer Security
B. Digital signatures
C. Computer virus
D. none of the above
9.( ) stores data in tables that consist of rows and columns. Each row has a primary key and each column has a unique name. (满分:4)
A. Relational Database
B. Data Integrity
C. Data Dictionary
D. Data Warehouse
10.An ( ) is a company that provides access to the Internet. (满分:4)
A. TCP/IP
B. APRANET
C. FTP
D. ISP
11.Which one is a word processing and text editing tool?( ) (满分:4)
A. Photoshop
B. Word
C. Extreme 3D
D. Premiere
12.( ), in networking, to establish the validity of a user or an object. (满分:4)
A. Authenticate
B. Decrypt
C. Encryption
D. Firewall
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. (满分:4)
A. JPEG
B. MPEG
C. MIDI
D. none of the above
14.( )(Joint Photographic Experts Group), standard for compressing continuous-tone still pictures. It does not handle black-and-white images, nor does it handle motion picture compression. (满分:4)
A. JPEG
B. MPEG
C. MIDI
D. none of the above
15.( ), which stands for Motion Picture Experts Group(MPEG) Layer 3, is rapidly becoming the standard for music transmission via Internet. (满分:4)
A. MP3
B. MP4
C. JPEG
D. AVI
16.( ) is a person who is responsible for authorizing access to the database, for coordinating and monitoring its use, and for acquiring software and hardware resources as needed. (满分:4)
A. Database Management Administrator
B. Data Integrity
C. Data Dictionary
D. Data Warehouse
17.( ), executable code that, when run by someone, infects other executable code in a computer. (满分:4)
A. Computer Security
B. Digital signatures
C. Computer virus
D. none of the above
18.( )(Pravate Key),in encryption, one key is used to both lock and unlock data. Compare with public key. (满分:4)
A. Asymmetric key
B. Symmetric key
C. Coputer virus
D. Digital signatures
19.( )(MIS) are designed to take the relatively raw data available through a TPS and convert them into a summarized and aggregated form for managers, usually in a report format. (满分:4)
A. Decision Support Systems
B. Expert Systems
C. Management Information Systems
D. Data Mining
20.( ) 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. (满分:4)
A. Animation
B. WAV
C. Multimedia
D. none of the above
三、判断题：
1.The standard protocol used for sending Internet e-mail is called SMTP. It works in conjunction with POP servers.( ) (满分:2)
A. 错误
B. 正确
2.Program flowchart is an outline of the logic of the program you will write.( ) (满分:2)
A. 错误
B. 正确
3.www.asp.com is an E-mail address.( ) (满分:2)
A. 错误
B. 正确
4.Microsoft Access is a database management system from Microsoft, packaged with Microsoft Office.( ) (满分:2)
A. 错误
B. 正确
5.FTP is the messages, usually text, send from one person to another via the Internet.( ) (满分:2)
A. 错误
B. 正确
6.Java is a compiled object-oriented programming language used to write applets.( ) (满分:2)
A. 错误
B. 正确
7.The Internet isa worldwide system of computer networks in which any one computer can get information from/or talk to any other connected computer using the TCP/IP protocols.( ) (满分:2)
A. 错误
B. 正确
8.To protect data, you need to implement a data backup and recovery plan.( ) (满分:2)
A. 错误
B. 正确
9.A file is a collection of relation fields.( ) (满分:2)
A. 错误
B. 正确
10.To access the Web, users require a Web browser ,which is the software program used to access the World Wide Web.( ) (满分:2)
A. 错误
B. 正确
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