The final exam of computer composition principle, computer composition principle final exam questions and answers

Principles of Computer Composition Final Exam Questions and Answers

One, multiple choice

1. A complete computer system should include ______. D

A. Calculators, memories and controllers

C. Hosts and Utilities

A. RAM memory

C. Main memory

A. Multiple instruction stream and single data stream

C. Stack operation B. External device and host D. Supporting hardware device and software system B. ROM memory D. Main memory and external memory 2. The memory system in the computer system refers to ______. D 3. The basic characteristic of the working mode of von Neumann machine is ______. B B. Access by address and execute instructions sequentially D. Memory is selected by internal address

4. Which of the following statements is incorrect is ______. D

A. Any operation that can be implemented by software can also be implemented by hardware

B. Firmware is similar to software in terms of function and similar to hardware in terms of form

C. In the hierarchical structure of the computer system, the microprogram level belongs to the hardware level, and the other four levels are the software level

D. Machines oriented to high-level languages ​​are fully achievable

5. The smallest of the following numbers is ______. C

A. (101001)2 B. (52)8

B. (227)8 C. (101001)BCD C. (143)5 D. (233)16 D. (96)16

D. Original code and complement code 6. The largest number in the following numbers is ______. B A. (10010101)2 7. In a machine, the representation of zero of ______ is unique. B A. Original code B. Complement code C. Inverse code

A. The complement of –127 is 10000000

C. The code shift of +1 is equal to the complement of –127

B

A. –127 B. –32 C. –125

A. Consistent with manual operation D. –3 10. The purpose of using complement operation in computer system is to ______. C B. Improve operation speed

C. Simplify the design of the computer D. Improve the accuracy of the operation

11. If the true value of a number x is -0.1010, and the number is represented as 1.0110 in the computer, the encoding method used for the number is ______ code. B

A. Original B. Complement C. Inverse D. Shift

12. Two floating-point numbers with the same length but different formats, assuming that the former has a long stage and a short mantissa, and the latter has a short stage and a long mantissa, and other provisions are the same, the range and precision of the numbers they can represent is ______. B

A. 两者可表示的数的范围和精度相同 B. 前者可表示的数的范围大但精度低

C. 后者可表示的数的范围大且精度高 D. 前者可表示的数的范围大且精度高

13、某机字长32位,采用定点小数表示,符号位为1位,尾数为31位,则可表示的最大正9、针对8位二进制数,下列说法中正确的是______。B B. –127的反码等于0的移码B D. 0的补码等于–1的反码 9、一个8位二进制整数采用补码表示,且由3个“1”和5个“0”组成,则最小值为______。

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