历年真题《微型计算机接口技术》2007.10（国外英文资料）.docVIP

历年真题《微型计算机接口技术》2007.10（国外英文资料） In October 2007, the national college of advanced education self-study exam Microcomputer principles and application questions Course code: 02277 One, a single choice of choice. (20 points for each question, 20 points.) Only one of the four candidates listed in each of the items is eligible for the title. Please fill in the following brackets. Neither choice, choice, nor choice is all. The address bus of an 8-bit microcomputer system is 16 bits, with the maximum memory capacity (). B. a. 64 KB, 64 KB C. 128 KB d. 128 KB The ASCII code for the number 0 is 48 and the ASCII code for 9 is () A. b. 47 to 49 59 57 d. C. In the following register, the general register is () A.C S B.D S C.s. P D.S S The following instructions do not belong to the arithmetic instruction () A.A DD AL C, NC AL D.I MUL BL In the following instructions, the transfer directive is () A.D EC AL B.C MP AL, 0 SAN Antonio NE LOP d.h. LT The data definition statement in the storage unit for 3618H is () A.D ATA1 DB 1836H C.D, ATA1, DW, 1836H, DW 3618H In the course of work, the memory that needs to be refreshed is () A.S RAM B.D RAM C.P ROM D.E PROM The 8.2732 A chip has 12 address lines, 8 cables, and its storage capacity is () A. 2K times 4 bits B. 2K times 8 bits C. 4K x 4 bit d. 4K x 8 bits The computer system of the following chips is unified by the I/O port (). A. 8031, b. 8086 C. 8088 - D. 8088 The mode of transfer of the CPU to the outside setting without interfering with the transfer process is (). A. the mode of transmitting the method of transmission C. interrupt transmission mode D.D MA 11.8259 As interrupt priority management style consists of 5 systems that are automatically entered () by 8259A when the system is not initialized to the 8259A priority management mode. A. fully nested mode b. automatic loop mode C. special loop mode D The connection cable used by USB is () A. 3 cable B. 4 cable C. 5 cable d. 6 cable The -7 complement is represented by eight bi