玉林师范学院期末课程考试试卷
（2010——2011 学年度第一学期）
命题教师：赵炳炎 命题教师所在系：物信系 试卷类型：A 课程名称： 专业英语 考试专业： 电子信息 考试年级：07 I ．Find the Chinese Characters for Each Phrase (20 points) 1 digitize ( ); 2 analog ( ); 3 antenna ( ); 4 transmission ( ); 5 amplifier ( ); 6 resistor ( ); 7 bandwidth ( ); 8 semiconductor ( ); 9 resistance ( ); 10 insulator ( ); 11 valence electron ( ); 12 carrier frequency ( ); 13 electromagnetic radiation ( ); 14 voltmeter ( ); 15 modem ( );
16 Communication Satellite Act ( ). 17 wavelength ( ); 18 information-bearing signal ( ); 19 horizontal coordinate ( ); 20 optical fiber ( )；
II ．Translate the Following Words into Chinese (20 points) 1. 高保真，高清晰度 （ ） 2．集成电路 （ ）
3. 万用表 （ ） 4．卫星通信 （ ） 5. 光学通信 （ ） 6．超文本文件传输协议 （ ） 7. 发光二极管 （ ）
8．综合业务数字网 （ ） 9．电磁波 （ ） 10．信息安全 （ ）
III ．Single Choice Question (18 points) 1. Within a CPU is (are) ( ) A. the arithmetic/logic unit only B. arithmetic/logic unit and control unit C. the control unit only D. the printer and tape driver
2. “Time sharing ” means that ( ) A. on-line access is timed B. programming time is shared C. many users access a single CRT
D. many users may access the computer concurrently
3. Input or output devices attached to the computer system on-line or available off-line are called ( )
A. memories
B. peripheral
系(院): 年级: 专业: 班别: 学号: 姓名: 座位号: —————————————————————————————————————————————————————— 密 封 线 内 不 要 答 题
∞ 装 订∞ 线 ∞
C. drums
D. magnetic tapes
4. A process of demonstrating that a system carries out its functions as specified is called ( )
A. maintenance
B. formatting
C. testing
D. operating
5. The correction of bugs that are discovered in a system during its productive lifetime ( )
A. productivity
B. maintenance
C. operation
D. primary function
6. A microprocessor combined with memory and input\output capabilities becomes a ( )
A. VLSI chip
B. ROM
C. RAM
D. microcomputer
IV．Translation ( 20 points )
1. QPSX (Queued Packet and Synchronous Switch) technology with its high bandwidth capacity of 150Mbits/sec provide the basis for the integration of voice and data applications across a wider spectrum than is possible with the present stage of development of ISDN. The system is also comfortable with Video-conferencing. (5 points )
2. DSP (Digital Signal Processors) systems are characterized by real-time operation, with emphasis on high throughput rate, and the use of algorithms requiring intensive arithmetic operations, notably multiplication and addition.
（3 points）
3. A system is formally defined as an entity that manipulates one or more signals to accomplish a function, thereby yielding new signals. (2 points)
4．信号可以定义为传达某种物理现象特性的信息的一个函数。如果该函数只依赖于单个变量，则称该信号为一维的。（4分）
