COSC3325                                       Final Exam.                                        5/9/2006

 

  Keys Used:

          1-5:                       CECAC

          6-10:                     ADBBB

          11-15:                  ADBCE

          16-20:                  CBBB (#19 IS MISSING)

          21-25:                  CCDBA

          26-30:                  BCCBA

          31-35:                  EBABC

          36-40:                  EDBBB

          41-44:                  ADDC

Name_______________________________________________

 

   PART-A.      Multiple Choices. (44 questions)                                            (132 points)

 

   Choose the BEST answer by writing down a Big A, B, C, D, E, or F in Capital in front of each

   question number. (Each question is 3 points worth.)

 

 

            1.         Which is for Immanual Kant?

                        a. Categorical Imperative.

                        b. Deontology.

                        c. both.                                    d.  neither.

           

            2.         Which is for Jeremy Bentham?

                        a. Greatest happiness.

                        b. Consequence and utility.

                        c. Agent's intention.

                        d. All above.                e.  Two above.

           

            3.         Relativism is based on

                        a. Absence of universal morality.

                        b. Morals varying among different cultures and/or societies.

                        c. Both.                                    d.  Neither.

 

            4.         Deontology emphasizes

                        a. Intention of agents

                        b. Consequences

                        c. both.                                    d.  neither.

 

            5.         Categorical Imperative is

                        a. Universal laws

                        b. Reason-based

                        c. both.                                    d.  neither.

 

            6.         Utilitarianism emphasizes

                        a. happiness and pleasure

                        b. Motivations of the agent.

                        c. both.                                    d.  neither.

 

            7.         Universalism includes

                        a. Consequentialism

                        b. Utilitarianism

                        c. Deontology

                        d. All above                             e.  Two above.                                     f.  none above

 

            8.         Efficacy is

                        a. special power of general public to affect the world we live in.

                        b. special power and corresponding responsibilities of professionals to affect the world we live in.

                        c. both.                                                d.  neither.

 

            9.         Disparity of professional knowledge is the most evident in

                        a. employer-employee relationship

                        b. client-professional relationship.

                        c. professional-professional relationship.

                        d. cannot tell.

            10.       Which are two opposite extremes?

                        a. Agency Model and Fiduciary Model

                        b. Agency Model and Paternalism Model

                        c. Paternalism Model and Fiduciary Model

                        d. cannot tell.

            11.       Which model is for the clients to retain most decision-making

                        power?

                        a. Agency Model

                        b. Paternalism Model

                        c. Fiduciary Model.                  d.  cannot tell.

            12.       General Moral Imperatives of ACM Code of Ethics include

                        a. contribution to society and human well-being

                        b. avoiding harm to others and honesty.

                        c. non-discrimination

                        d. all above.                             f.  two above

            13.       Which Code of Ethics is centered around relationships?

                        a. ACM Code of Ethics

                        b. Software Engineering Code of Ethics

                        c. IEEE Code of Ethics

                        d. All                                       e. Two above               f. none.

            14.       Which Code of Ethics is the briefest?

                        a. ACM Code of Ethics

                        b. Software Engineering Code of Ethics

                        c. IEEE Code of Ethics.

                        d. cannot tell.

            15.       The Software Engineering Code of Ethics

                        a. has eight Imperatives

                        b. has eight Principles

                        c. puts an emphasis on significant opportunities to do good or cause harm to public interest.

                        d. all above.                             e.  two above.              f. none.

            16.       According to Dr. Myhrvold, the Price/Performance increases

                        a. roughly by 1000 times every 20 years.

                        b. roughly by 1,000,000 times every 20 years.

                        c. neither.

            17.       The number of prime numbers between 0 and 1000 is roughly

                        a. 100

                        b. 160

                        c. 240             

            18.       Suppose that m is a positive prime integer and n is a positive integer

                        smaller than m. In this case, there is a positive integer q such that

                        a. n ** m       = q*m+1

                        b. n ** (m-1) = q*m+1

                        c. n ** (m-2) = q*m+1

                        d. none.

            20.       An expert system is intended to be

                        a. a general problem solver for a variety of many different domains.

                        b. a specialized problem solver for just one narrow domain.

                        c. both.                                                d.  neither.

            21.       Some successful E-Commerce models include

                        a. shopping-cart model

                        b. online auction and online trading.

                        c. both.                                                d.  neither.

            22.       Benefits of telecommuting include

                        a. reduced overheads by employers.

                        b. reduced rush-hour traffic congestion and energy savings

                        c. both                                     d.  neither.

            23.       Disadvantages of telecommuting include

                        a. lack of immediate supervision possibly leading to lower

                           productivity

                        b. missing social interaction.

                        c. young children at home becoming distractions

                        d. all above                              e.  two above

 

            24.       The essence of the Diffie-Hellman Key Exchange is to enable two parties to generate

                        a. the same public key by themselves.

                        b. the same private key by themselves.

                        c. both.                                                d.  neither

 

25.         Security of RSA cryptosystem primarily comes from

a.       Difficulty of factoring large integers.

b.       Difficulty of testing the primality of large integers.

c.       both.                                 d.  neither.

26.         DES

a.       is a symmetric algorithm that uses the same public key(s) both for the encryption and the decryption.

b.   was a US Government standard for           over twenty years.

c.   both.                                  d.   neither.

27.         NIST

a.       was formerly known as National Bureau of Standards.

b.       is responsible for issuing standards and guidelines for computer systems in the US

c.       Both.                                 d.  neither.

 

28.         The Totient function of a positive integer n which is p*q where p and q each is a prime is

a.       (p-1)*(q-1)

b.       the number of integers between 1 and n-1 (inclusive) that is relatively prime to n.

c.       Both.                                 d.  neither.

29.         Which is a reason that may make one-time pads secure?

a.       the receiver of a message uses the same key that the sender used.

b.       a given ciphertext may correspond to any plaintext of the same size with an equal probability depending upon the pad being used.

c.       Both.                                 d.  neither.

30.         Which preserves the letter frequency of plaintext?

a.       Caesar ciphers.                 

b.       polyalphabetic ciphers.    

c.       both.                                  d.   neither.     

 

31.         Which are purposes of the US Constitution as specified in its Preamble?

a.       to form a more perfect Union and to establish justice.

b.       to dominate the rest of the world in both political and economic powers.

c.       to secure the blessings of liberty to ourselves and our posterity.

d.       all above.                          e.  two.                         f.  none

 

32.         Which US Constitution Article is for the Executive Power?

a.  Article-I                              b.  Article-II.

c.  Article-III.                           d.   none

33.         Which is a source for State authorities?

a.       US Constitution, Amendment-X.

b.       US Constitution, Article-I, Section-10.

c.       Both.                                 d.  neither

            34.       Copyright protects

a.       Principle of operations of hardware                                 

b.       Form of Expressions.

                        c.    both.                                 d.   neither                  

            35.       Which is true about a Fair Use?

                        a.  An exception to Copyright protection.

                        b.  It is a reproduction of copyrighted work without authorization for such purposes as

     teaching, scholarship/research, criticism/comment, and news reporting.

c.  both.                                               d.  neither.

            36.       Which is NOT protected by Copyright?

a.       Ideas themselves.                          b.  methods of operations.

c.       works fixed in a tangible form of expression.

d.       all.                                     e.  two.                         f.  none.

37.       Copyright protection requires

             a.    registration                                   b.    publication                                               

c.    both.                                d.    neither

            38.       Patent protects

a.       Purely mathematical formulas.

b.   Useful, novel and non-obvious inventions.

                        c.   Both.                                              d.  Neither.

            39.       Which is the primary Patent?

a.       Design Patent.                               

b.       Utility Patent.

                        c.    Plant patent (with 20-year term).   d.  none.  

40.       One of the earliest public key cryptosystems (algorithms) is

a.       DES

b.       Diffie-Hellman key exchange scheme.

c.       RSA algorithm.     

41.       Federalism

a.       is a unique and important attribute of US legal system.

b.       refers to the fact that only legislative agancies make laws in their respective areas.

c.       Both.                                 d.  neither.

42.       Factors in determining Fair Use of copyrighted materials include

a.       Purpose and character of use

b.       Nature of copyrighted work and the amount and substantiality of the portion used.

c.       The effect of use upon extending the protected idea for the benefits of the owner.

d.       All above.                         e.  two above.                          f.  none.

43.       Which amended the Computer Fraud and Abuse Act?

a.                   DMCA

b.                   FOIA

c.                   Both.                           d.   neither.

44.       Which is an exception in the FOIA?

a.             matters of interest of national defense

b.             records specifically excluded from disclosure by statutes.

c.             Both.                           d.    neither

 

       PART-B.                          Other Problems.                                                                     (45 points)

           

       Do five problems

 

            A.        State factors to consider in determining a fair use.

 

            B.         Briefly describe evolutions of  computer technology applications.

 

            C.         Briefly describe both positive social impacts and negative social impacts of computers.

 

            D.        In no more than 12 lines, compare three professional Codes of Ethics.

 

            E.         Describe the Miller-Rabin algorithm.

                        What do you think it really is checking/testing?

 

F.                  Briefly compare deontology, utilitarianism and relativism.

 

G.                 Describe factors affecting (a) ethical decision making within computer profession and (b) fair resolution of conflicts of interest.