1997年4月全国计算机等级考试三级(B)笔试试卷(国外英语资料).doc

1997年4月全国计算机等级考试三级(B)笔试试卷(国外英语资料) April 1997 class three class B written test questions (2000-12-12, 23:12:09) (examination time 90 minutes, full 100 points) First, choose the question (1) ~ (60), each of 1 points, 60 points Each of the following questions A), B), C) D) there is only one option in the four option that is correct. Please correct the options A card scrawled on the corresponding position, answer cannot score on the test paper. (1) the core component of the computer hardware system is (A) main memory B) CPU C) disk D) input / output device (2) MIPS is used to measure which indexes of computer system? (A) storage capacity (B), operation speed C) clock frequency D) processing power (3) which memory is a volatile memory in a storage system? (A) ROM B) PROM C) EPROM D) RAM (4) there are five kinds of interrupts that cause interruption. Which of the following does not belong to the five interrupt sources? (A) I/O interrupt B) overflow interrupt C) clock interrupt D) program interrupt (5) resolution is one of the main performance indexes of A/D converters A) minimum measured value B) absolute accuracy C) full scale range D) total conversion error (6) the D/A converter consists of four parts. Which of the following is not a part of the D/A converter? A) weight resistor network (B) analog switch C) reference power D) sensor (7) one of the main parameters of the display is resolution A) display the horizontal and vertical scanning frequency of B) to display the number of columns and rows of gratings on the screen C) displays the total number of D in different colors, and the same screen allows the maximum number of colors to be displayed (8) which of the following computer languages depends on a specific machine? High language II. Machine language Assembly language (A) only one B) only II C) II and III D) I, II, and III (9) the interpreter and compiler belong to the language processor. Which of the following statements about them is correct? A) the interpreter p