大工12春《专业英语（计算机英语）》在线作业1、2、3答案
大工12春《专业英语（计算机英语）》在线作业1一、单选题：
1. ( )(Reduced Instruction Set Computer) refers to processors that support fewer instructions than CISC chips. The reduced number of instructions enables them to execute instructions faster. （满分：6）
A. CISC
B. RISC
C. RAM
D. ROM
2. A ( ) port is an interface that connects devices by transferring more than one bit at a time. （满分：6）
A. serial
B. parallel
C. USB
D. none of the above
3. ( ) is summarized data or manipulated data. （满分：6）
A. Information
B. Hardware
C. Software
D. Procedure
4. A ( ) is a cable which is capable of carrying signals representing data from one place to another. （满分：6）
A. bus
B. byte
C. bit
D. disk
5. A ( ),also called a silicon chip or semiconductor,is a small piece of silicon that contains thousands of microminiature electronic circuit components, mainly transistors. （满分：6）
A. bus
B. chip
C. port
D. keyboard
6. ( )(Complex Instruction Set Computer) refers to the processor architecture found in most conventional mainframes and personal computers. It supports many complex instructions. （满分：6）
A. CISC
B. RISC
C. RAM
D. ROM
7. ( ) refers to the physical equipment that can perform the basic functions contained within the data processing cycle. （满分：6）
A. Software
B. Hardware
C. Memory
D. Mainframe
8. The common input devices are the ( ) and the keyboard. （满分：6）
A. printer
B. speaker
C. monitor
D. mouse
9. A ( ) is a communication device that enables computers to communicate via telephone lines or cable. （满分：6）
A. modem
B. hardware
C. software
D. processor
10. Processing is done inside the computer in an area called the ( ). （满分：6）
A. input devices
B. output devices
C. system unit
D. central processing unit
二、多选题：
1. Most electronic devices today use some form of integrated circuits placed on printed circuit boards. （满分：4）
A. 错误
B. 正确
2. The fourth generation computers can be characterized by both the jump to monolithic integrated circuits and the invention of microprocessor. （满分：4）
A. 错误
B. 正确
3. The ENIAC used thousands of vacuum tubes,which took up a lot of space and gave off a great deal of heat just like light bulbs do. （满分：4）
A. 错误
B. 正确
4. In 1947 three scientists, John Bardeen, William Shockley, and Walter Brattain working at AT&T's Bell Labs invented the transistor computer. （满分：4）
A. 错误
B. 正确
5. A location in RAM memory is accessed by its address. （满分：4）
A. 错误
B. 正确
6. Accessing data from a floppy disk is called reading data. （满分：4）
A. 错误
B. 正确
7. Modern operating systems usually come with a GUI. （满分：4）
A. 错误
B. 正确
8. The software and hardware components of a computer rely on each other and support each other. （满分：4）
A. 错误
B. 正确
9. Mouse belongs to output. （满分：4）
A. 错误
B. 正确
10. The microprocessor led to the invention of personal computers,or microcomputers. （满分：4）
A. 错误
B. 正确转载请注明奥鹏作业答案网 www.ap5u.com
大工12春《专业英语（计算机英语）》在线作业2
一、单选题：
1. ( ) ,also known as service programs, perform specific tasks related to managing computer resources. （满分：6）
A. Utilities programs
B. System software
C. Operating system
D. none of the above
2. ( ) is a subclass of software. It consists of a collection of programs that control the operations of a computer and its devices. It servers as the interface between the user and the computer hardware. （满分：6）
A. System software
B. Application software
C. Operating system
D. none of the above
3. ( ), type of local area network(LAN) in which all communications devices are connected in a continuous loop and messages are passed around the ring until they reach the right destination. There is no central server. （满分：6）
A. Bus network
B. Star network
C. Ring network
D. Hybrid network
4. ( ), interface that enables dissimilar networks to communicate with one another. （满分：6）
A. Gateway
B. Bridge
C. Bandwidth
D. none of the above
5. ( ), type of LAN that combines star, ring, bus networks, and etc. （满分：6）
A. Bus network
B. Star network
C. Ring network
D. Hybrid network
6. ( ), fixed-maximum-length block of data for transmission. The packet also contains information about its destination. （满分：6）
A. Protocol
B. Node
C. Packet
D. Network
7. ( ) controls how you enter data or instructions and how information is displayed on the computer screen. （满分：6）
A. User interface
B. Language translators
C. Utilities programs
D. System software
8. ( ), type of network in which all communications devices are connected to a common channel, with no central server. （满分：6）
A. Bus network
B. Star network
C. Ring network
D. none of the above
9. ( ), computer shared by several users in a network. （满分：6）
A. Protocol
B. Server
C. Network
D. Node
10. ( ), set of conventions governing the exchange of data between hardware and /or software components in a communications network. （满分：6）
A. Protocol
B. Node
C. Packet
D. Network
二、多选题：
1. Windows versions before Windows 95 rely on DOS as the operating system. （满分：4）
A. 错误
B. 正确
2. ERP is Enterprise resource planning software. （满分：4）
A. 错误
B. 正确
3. We abbreviate Virtual Private Networks to VPN. （满分：4）
A. 错误
B. 正确
4. A backup program makes a copy of files you select. （满分：4）
A. 错误
B. 正确
5. TCP provides reliable, full-duplex connections and reliable service by ensuring that data is resubmitted when transmission results in an error. （满分：4）
A. 错误
B. 正确
6. Linux is an operating system similar to Unix. （满分：4）
A. 错误
B. 正确
7. Object Oriented Programming(OOP) is a programming method that combines data and the instructions for processing that data into a self-sufficient "object" that can be used in other programs. （满分：4）
A. 错误
B. 正确
8. Hardware also called a program, is the series of computer language coded instructions that tells the computer how to perform tasks. （满分：4）
A. 错误
B. 正确
9. A traditional private WAN can be expensive to build and manage. （满分：4）
A. 错误
B. 正确
10. View shortcut menus by right-clicking with the mouse. （满分：4）
A. 错误
B. 正确转载请注明奥鹏作业答案网 www.ap5u.com
大工12春《专业英语（计算机英语）》在线作业3
一、单选题：
1. ( ):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：6）
A. Asymmetric key
B. Symmetric key
C. Coputer virus
D. Digital signatures
2. ( ), in networking, to establish the validity of a user or an object. （满分：6）
A. Authenticate
B. Decrypt
C. Encryption
D. Firewall
3. ( ) 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：6）
A. Relational Database
B. Data Integrity
C. Data Dictionary
D. Data Warehouse
4. ( ) 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：6）
A. MIDI
B. WAV
C. RA
D. Audio
5. An ( ) is a company that provides access to the Internet. （满分：6）
A. TCP/IP
B. APRANET
C. FTP
D. ISP
6. ( ) 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：6）
A. Database Management Administrator
B. Data Integrity
C. Data Dictionary
D. Data Warehouse
7. ( )(Pravate Key),in encryption, one key is used to both lock and unlock data. Compare with public key. （满分：6）
A. Asymmetric key
B. Symmetric key
C. Coputer virus
D. Digital signatures
8. A ( ) is a line rented from a telephone company for the exclusive use of a customer to access Internet. （满分：6）
A. leased line
B. online payment
C. credit card
D. ISP
9. ( ) 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：6）
A. AVI
B. DAT
C. BMP
D. GIF
10. ( )(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：6）
A. Decision Support Systems
B. Expert Systems
C. Management Information Systems
D. Data Mining
二、多选题：
1. To access the Web, users require a Web browser ,which is the software program used to access the World Wide Web. （满分：4）
A. 错误
B. 正确
2. Program flowchart is an outline of the logic of the program you will write. （满分：4）
A. 错误
B. 正确
3. 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：4）
A. 错误
B. 正确
4. The standard protocol used for sending Internet e-mail is called SMTP. It works in conjunction with POP servers. （满分：4）
A. 错误
B. 正确
5. Microsoft Access is a database management system from Microsoft, packaged with Microsoft Office. （满分：4）
A. 错误
B. 正确
6. www.asp.com is an E-mail address. （满分：4）
A. 错误
B. 正确
7. To protect data, you need to implement a data backup and recovery plan. （满分：4）
A. 错误
B. 正确
8. FTP is the messages, usually text, send from one person to another via the Internet. （满分：4）
A. 错误
B. 正确
9. Java is a compiled object-oriented programming language used to write applets. （满分：4）
A. 错误
B. 正确
10. A file is a collection of relation fields. （满分：4）
A. 错误
B. 正确
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