大工16秋《专业英语(计算机英语)》在线测试1.doc

奥鹏大工16秋《专业英语（计算机英语）》在线测试1 一、单选（共 20 道，共 80 分。） 1. A （ ）is a communication device that enables computers to communicate via telephone lines or cable. A. modem B. hardware C. software D. processor 标准解： 2. （ ） are output devices that print characters, symbols, and graphics on a physical medium such as paper and a transparency file. A. Flat panel monitors B. Printers C. Keyboards D. Pointing device 标准解： 3. The （ ） is the communications medium for the entire computer system. A. system board B. input C. output D. bus 标准解： 4. The two components of the CPU are connected by a kind of electronic roadway called a(an) （ ）. A. USB B. bus C. port D. keyboard 标准解： 5. （ ） is summarized data or manipulated data. A. Information B. Hardware C. Software D. Procedure 标准解： 6. The first computers used （ ） for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms. A. vacuum tubes B. transistors C. integrated circuits D. microprocessors 标准解： 7. （ ） have more storage capacity than diskettes and also offer faster access to the data they hold. A. Hard disks B. Optical disks C. Zip disk D. CD 标准解： 8. A （ ） port is an interface that connects devices by transferring more than one bit at a time. A. serial B. parallel C. USB D. none of the above 标准解： 9. （ ） performs arithmetic, comparison, and logic operations. It is one part of the CPU. A. RAM B. ROM C. CPU D. ALU 标准解： 10. A （ ）,also called a silicon chip or semiconductor,is a small piece of silicon that contains thousands of microminiature electronic circuit components, mainly transistors. A. bus B. chip C. port D. keyboard 标准解： 11. （ ） refers to the physical equipment that can perform the basic functions contained within the data processing cycle. A. Software B. Hardware C. Memory D. Mainframe 标准解： 12. （ ）(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. A.