欢迎来到文档下载导航网!

计算机专业英语习题+答案.docx

时间:2020-10-16|当前位置:首页 > 教育文档 > 外语学习 > |用户下载:

计算机专业英语习题+答案.docx

习题+答案 2.1 Write T or F to each stateme nt T6. An asynchronous device is a clocked device. T7. A latch is an asynchronous device, because it functions at arbitrary times. T8. The repetiti on of clock pulse can vary from very low rate to very high rate. T9. A synchronous device changes its state only on the arrival of a clock pulse. F10. A clock in put may occur at any time. T11. The clock pulses are used to synchronize all operations of the shift register. T13. A uni direct ional shift register is capable of shift ing in one direct ion only. F14. I n a shift-left register the serial in put determ ines what goes into the leftmost position during the shift register. F15. To provide parallel tran sfer capability some additi onal in put and output lines should be provided to the shift register. Choose the best an swer for each of the follow ing 1. How can the output of a logic gate be en ergized? C A By cha nging its in puts. B By rema ining its in puts un cha nged. C By meet ing the specific in put con diti on. D By givi ng a pulse. A NAND gate con sists of D . A an OR gate followed by an in verter B an AND gate followed by an in verter C an AND gate followed by an OR gate D an in verter followed by an AND gate Un der what con diti on is the output of a two-i nput XOR gate logic-high? B A Its in puts are simulta neously at the same logic level. B Its in puts are simulta neously at opposite logic levels. C Its in puts are logic-low. D its in puts are simulta neously logic-high. 2.2 Write T or F for each stateme nt T 1. The CPU uses the in put and output un its to com muni cate with the outside world. F2. Main memory is sometimes called exter nal memory. F3. After execution the program and the related files of data and files of information will be retained in the main memory for later use. F4. Personal computers have not the features of the larger system.. T5. Large systems offer higher process ing speeds for user and retur n more data tha n PCs. F6. CPUs all size have primary storage, arithmetic logic, and the con trol sect ion. F7. The output device is the heart of any computer system. T8. The in put/output devices and auxiliary storage un its of a computer system are called peripherals. anF9. The in strume nt of in terpretati on and com muni cati on betwee n huma ns and computers system of all sizes is CPU. an F10 Special purpose computers can adapted to many situation by giving them appropriate program. F11 .A mi nicomputer is the smallest and least expe nsive type of computer. T12. A special purpose computer performs only one specific task and thus lacks versatility. T13. The larger the system the greater is its process ing speed, storage capacity. T14. Mai nframe computers are desig ned to process complex scie ntific applicati on. T 9. The main memory in a gen eral-purpose computer is made up of RAM in tegrated circuit chip.\ F 10. When the power is turned on, the program coun ter is set the first address of the bootstrap loader by the software

上一篇:运动会加油稿英文.docx

栏    目:外语学习

下一篇:圣诞节英文手抄报图片简单又漂亮.doc

本文标题:计算机专业英语习题+答案.docx

本文地址:https://www.365weibook.com/html/20201016/119950.html

    正常预览或下载提示:

    本页面文档预览是由服务器自动提取的部分内容,并不是文档乱码。如您需要预览全文或下载文档,请点击页面左侧(点击去预览文档全文或下载文档)按钮,进行全文预览或下载。

推荐下载

联系我们 | 广告投放 |网站地图

免责申明:本网站不提供任何形式的下载服务,因此与之有关的知识产权纠纷本网站不承担任何责任。

如果侵犯了您的权利,请与我们联系,我们将进行删除处理。