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計算機概論

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國立台中教育大學 95 學年度大學日間部轉學招生考試

計算機概論 試題

適用學系:數位內容科技學系

一、問答題:(5 題,每題 6 分,共 30 分。)

1.解釋名詞 : (a)低階語言

(b)black box testing (c)Round Robin (d)DNS

(e)MFLOPS

2.What does multitasking mean to a user? In what ways does the user benefit from the multitasking capabilities of an operating system?

3.How is a serial port different from a parallel port?

4.What are the HTML, DHTML, and XML Web Page Development Tools? 5.Briefly compare the following data access methods:

(a)sequential storage (b)direct access storage

(c)indexed-sequential access method

二、選擇題:(35題,每題2分,共70分。)

1. means the ability to separate the high-level view of an entity or an operation from the low-level details of its implementation.

(A)inheritance (B) randomness (C) encapsulation (D) abstraction

2. If the value of an argument is one that the function must know in order to do its job but should not change, then the argument is _____.

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(A) passed by reference (B) passed by value (C) called “local” (D) called “global”

3. Logic programming languages are also called _____ languages. (A) declarative (B) applicative (C) descriptive (D) imperative

4. In BNF, the syntax of a language is specified as a set of _____. (A) tokens (B) rules (C) objects (D) parse trees

5.The term _____ refers to software that allows separate, existing programs to communicate and work together seamlessly.

(A)URL (B) taxonomy (C) middleware (D) e-business

6. ____ is the process of verifying the identity of the receiver of your message. (A) spoofing (B) SSL (C) authentication (D) encryption

7.The _____ is the number of bits used to encode each sample. (A) digital rate (B) pixel rate (C) bit rate (D) bit depth

8._____ was the first programmable device. (A)Leibnitz’s Wheel (B) the Analytic Engine

(C) the Pascaline (D) Jacquard’s loom

9.When an I/O operation is done, the I/O controller transmits to the processor a special hardware signal called a(n) _____.

(A) control signal (B)I/O signal (C) interrupt signal (D) switch signal

10.The _____ holds the address of the next instruction to be executed. (A) status register (B) program counter (C) condition register (D) instruction register

11.The ability to match the number of processors to the size of the problem is known as ____.

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(A) scalability (B) flexibility (C) malleability (D) adaptability

12.The process of associating a symbolic name with a physical memory address is called _____.

(A)synchronizing (B) validating (C) binding (D) registering

13._____ can transmit information between networks using totally different communication techniques.

(A) repeaters (B) routers (C) bridges (D) ports

14.Which of the following layer of the TCP/IP protocol hierarchy handles framing? (A) data link (B) physical (C) network (D) application

15.Assigning port numbers to programs and remembering which program goes with which port is a part of the _____ layer protocols. (A) physical (B) data link (C) network (D) transport

16.It is the job of the _____ layer to create a high-quality, error free, order preserving end-to-end delivery service.

(A) transport (B) data link (C) network (D) physical

17._____ is a software package that allows users to log on remotely to another computer and use it as though it were their own local machine. (A)Telnet (B) DNS (C) FTP (D) TCP/IP

18.Which of the following statements is correct? (A) scientists still think it is necessary to write a Turing machine when they talk about an

algorithmic computation. (B) a Turing machine that is executing an algorithm to solve some task must halt when begun on a tape containing input appropriate to that task. (C) a Turing machine that is executing an algorithm to solve some task need not halt when begun on a tape containing input appropriate to that task. (D) just running the Turing machine enables us to decide about halting.

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(1,0,1,2,R)→(1,1,0,2,R)→(2,0,0,2,R)→(2,b,b,2,L) then which of the following is a halting configuration? (A)... b 1 1 b b b ... (current state = 2, symbol 1 is being read) (B) ... b 1 1 b b b ... (current state = 1, symbol 1 is being read) (C) ... b 1 0 b b b ... (current state = 1, symbol 0 is being read) (D) ... b 1 0 b b b ... (current state = 2, symbol 0 is being read)

20.Suppose the current state in a Turing machine is 1, and the current symbol is 0, and that (1,0,1,2,R) (1,0,0,3,L) both appear in the same collection of instructions. Then the machine _____.

(A) would proceed as normal (B) has a conflict

(C) would fix the problem and continue (D) would eliminate one of the instructions 21. 11010101 XOR 01001110 =

(A) 11001101 (B) 10011011 (C) 11011111 (D) 01000100 22. x, y 為布林變數,( x+y)’ =?

(A) x’ + y’ (B) x’y’ (C) x’ + y’+ x’y’ (D) x’ + y’+ x’y’ 23.磁帶算是一種? (A)隨機存取記憶體 (B)直接存取記憶體 (C)循序存取記憶體 (D)以上皆非 24.MIPS 是? (A)每秒百萬赫茲 (B)每秒百萬指令 (C)每秒百萬浮點數 (D)每秒百萬位元 25.繁體字的內碼目前一般是使用 ? (A)王安碼 (B)電信碼 (C)Big5 碼 (D)零壹碼 26.試圖把全球重要的文字给一個統一編碼的是?

(A) Unicode (B) EBCDIC (C) ASCII (D)Hamming 27.編譯器把字元組成代表單一實體的 token 是在?

(A) Lexical phase (B) Semantic phase (C) Syntax phase (D) Code Generation phase 28.下列何者不是 I/O 使用的方法之一?

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29.機器週期(machine cycle)中的 instruction decode 是在計算機的哪個單元中完成的? (A)計算單元 (B)控制單元 (C)記憶單元 (D)輸入單元

30.請問 linear search 的時間複雜度為?

(A) O(n) (B) O(n log n) (C) O(n log2 n) (D) O(n2)

31.物件導向技術中的三大特性為何? (A)封裝(encapsulation)、繼承(inheritance)、類別(class) (B)封裝(encapsulation)、繼承(inheritance)、多元性(polymorphism) (C)類別(class),繼承(inheritance),多元性(polymorphism) (D)以上皆非 32.電腦網路通信系統架構中,依據國際標準組織(ISO)的定義,TCP 的規約是屬於那 一層的協定規範? (A)連結層 (B)網路層 (C)傳輸層 (D)應用層

33.網際網路上的位址反解規約(Address Resolution Protocol, ARP)代表意義為何? (A)動態位址連結規約 (B)網路傳送模式應用 (C)資料傳輸協定應用 (D)網際網路地址設定 34.電腦執行一個指令,需完成哪些步驟(請依序列出)。 (A)提取指令,指令解碼,執行運算,提取運算元,存放結果。 (B)提取指令,指令解碼,提取運算元,執行運算,存放結果。 (C)提取指令,提取運算元,指令解碼,執行運算,存放結果。 (D)提取指令,執行運算,提取運算元,指令解碼,存放結果。 35.電腦指令定址(addressing)方法中的間接定址(indirect addressing),其有效位址如何

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取得?

(A)有效位址即為運算元欄之值

(B)有效位址為運算元欄所指另一位址的內含值 (C)有效位址為運算元欄與 PC 內含值相加所得 (D)有效位址為運算元欄之值減去目前記數器內的值

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