计算机专业英语试题及答案(B卷)

4. A periodic refresh is needed to restore the information for the _________ .

A. SRAM B. DRAM

C. EPROM D. EEPROM

5. The raw data are stored on the disk using the _________ .

A. data dictionary B. file system

C. DBMS D. DBA

6. The _______ serves as an interface between hardware and software.

A. system B. application program

C. operating system D. control unit

7. Most operating system have a standard set of _________ to handle the processing of all input and output instructions.

A. spreadsheet B. control instructions

C. I/O operation D. data table

8. _________ uses commands that are easier for programmers to understand than are machine language commands.

A. Assembly language B. High-level language

C. C language D. C++ language

9. When a _________ is used, all the devices in the network are connected to a single cable.

A. bus network B. ring network

C. star network D. network

10. Two common applications of LANs are _________ resource sharing and information resource sharing.

A. software B. computer

C. network D. hardware

11. With Internet Explorer and an Internet connection, you can search for and view information on the ________.

A. Active Desktop B. Programs

C. Phone Dialer D. World Wide Web

12. To open Internet Explorer, just click Start, point to _________ , and then click Internet Explorer.

A. Programs B. View

C. Layout D. Control Panel

13. E-commerce does business through _________.

A. face-to-face meeting B. computer

C. wire-photo D. Internet and EDI

14. Every transaction in electronic commerce includes information flow, commercial flow, _______ and material flow.

A. data flow B. currency flow