大学计算机组织与结构习题

前二章作业

1.计算机的四个基本功能（Functions）是什么？

2.在计算机的top-level structure view中，四个structural components 是什么？

3.谁提出了store-program concept ?你能用汉语简单地描述这个存储程序的概念吗？

4.CPU的英文全称是什么？汉语意义是什么？

5.ALU的英文全称是什么？汉语意义是什么？

6.V on Neumann 的IAS机的五大部件都是什么？

7.在第一章中我们认识到的四个结构性部件（第2题）与V on Neumann的IAS机（第6题）

中部件有本质差别吗？

8.Fundamental Computer Elements 有哪几个？它们与计算机的四个基本功能的关系是什么？

9.Moore’s Law在中文翻译为什么？它描述了什么事物的一般规律？

10.本书的次标题和第二章第二节标题均为“Designing for Performance”,Performance 主要指什

么？Performance Balance的（balance）平衡要平衡什么？

11.本书作者将他要研究的范围局限在“desktop, workstation , server“中，它们的中文名称是什

么？各自的工作范围是什么？

Chapter 3Homework

1.PC means _________.

A. personal computer

B. programming controller

C. program counter

D. portable computer

2. PC holds _______________ .

A. address of next instruction

B. next instruction

C. address of operand

D. operand

3. At the end of fetch cycle, MAR holds _____.

A. address of instruction

B. instruction

C. address of operand

D. operand

4. Interrupt process steps are __________.

A. suspending , resuming , branching & processing

B. branching , suspending , processing & resuming

C. suspending , branching , processing & resuming

D. processing , branching , resuming & suspending

5. A unsigned binary number is n bits, so it is can represent a value in the range between _________ .

A. 0 to n-1

B. 1 to n

C. 0 to 2n-1

D. 1 to 2n

6.The length of the address code is 32 bits, so addressing range (or the range of address) is

________________.

A. 4G

B.from –2G to 2G

C.4G-1

D. from 1 to 4G

7.There are three kinds of BUSes. Which is not belong to them?

A. address bus

B. system bus

C. data bus

D. control bus

Questions

1.Translate the following terms (Note: function)

PC, MAR, MBR, IR, AC, bus, system bus, data bus , address bus , control bus , handler*, opcode, Bus arbitrate* , multiplexed bus* , interrupt, ISR, Instruction cycle , fetch cycle , execute cycle (带“*”为选做题)

2.Page90 problems

3.1

What general categories of functions are specified by computer instruction?

3. Describe simply the operations of PC and IR in an instruction cycle.

4.Suppose the length of word is n-bit, describe simply operand(操作数) format and instruction format.

5. Describe simply the procedure of the interruption

6. Describe simply the types and functions of the BUS.

一：选择题

1.The computer memory system refers to _________

A.RAM

B.ROM

C.Main memory

D.Register , main memory, cache, external memory

2.If the word of memory is 16 bits, which the following answer is right ?

A.The address width is 16 bits

B.The address width is related with 16 bits

C.The address width is not related with 16 bits

D.The address width is not less than 16 bits

3.The characteristics of internal memory compared to external memory

A.Big capacity, high speed, low cost

B.Big capacity, low speed, high cost

C.small capacity, high speed, high cost

D.small capacity, high speed, low cost

4．On address mapping of cache, any block of main memory can be mapped to

any line of cache, it is ___________ .

A) Associative Mapping B) Direct Mapping

C) Set Associative Mapping D) Random Mapping

5. Cache’s write-through polity means write operation to main memory _______.

A)as well as to cache

B)only when the cache is replaced

C)when the difference between cache and main memory is found

D)only when direct mapping is used

6.Cache’s writ e-back polity means write operation to main memory ______________.

a)as well as to cache

b)only when the relative cache is replaced

c)when the difference between cache and main memory is found

d)only when using direct mapping

7. On address mapping of cache, the data in any block of main memory can be mapped to fixed line of cache, it is _________________.

associative mapping B) direct mapping

C)set associative mapping D) random mapping

8.On address mapping of cache, the data in any block of main memory can be mapped to fixed set any line(way) of cache, it is _________________.

associative mapping B) direct mapping