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picture1_Report Pdf 118518 | Gre Compsci 1


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File: Report Pdf 118518 | Gre Compsci 1
this book is provided free with test registration by the graduate record examinations board graduate record examinations this practice book contains computer one actual full length gre computer science test ...

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     This book is provided FREE with
        test registration by the
   Graduate Record Examinations Board.
                                                                       ®
                                      Graduate Record Examinations
   This practice book
   contains                       COMPUTER
    one actual full-length GRE
     Computer Science Test
    test-taking strategies             SCIENCE
   Become familiar with
    test structure and content               TEST
    test instructions and
     answering procedures          PRACTICE
   Compare your practice
   test results with the
   performance of those
   who took the test at a                   BOOK
   GRE administration.
                                       Visit GRE Online at www.gre.org
            Note to Test Takers: Keep this practice book until you receive your score report.
           The book contains important information about content specifications and scoring.
              Copyright © 2001 by Educational Testing Service. All rights reserved.
     EDUCATIONAL TESTING SERVICE, ETS, the ETS logos, GRADUATE RECORD EXAMINATIONS,
              and GRE are registered trademarks of Educational Testing Service.
                                                                                                   The GRE Board recommends that scores on the
                              Table of Contents                                                Subject Tests be considered in conjunction with other
                                                                                               relevant information about applicants. Because numer-
                  Purpose of the GRE Subject Tests........................ 3                   ous factors influence success in graduate school,
                  Development of the Subject Tests ....................... 3                   reliance on a single measure to predict success is not
                  Content of the Computer Science Test...............4                         advisable. Other indicators of competence typically
                                                                                               include undergraduate transcripts showing courses
                  Preparing for a Subject Test ................................. 5             taken and grades earned, letters of recommendation,
                  Test-Taking Strategies .......................................... 6          the GRE Writing Assessment score, and GRE General
                                                                                               Test scores. For information about the appropriate use
                  What Your Scores Mean ...................................... 6               of GRE scores, write to GRE Program, Educational
                  Practice GRE Computer Science Test.................9                         Testing Service, Mail Stop 57-L, Princeton, NJ 08541,
                  Scoring Your Subject Test .................................. 49              or visit our Web site at www.gre.org/codelst.html.
                  Evaluating Your Performance............................. 52                  Development of the
                  Answer Sheet ..................................................... 53        Subject Tests
               Purpose of the GRE                                                              Each new edition of a Subject Test is developed by a
               Subject Tests                                                                   committee of examiners composed of professors in the
                                                                                               subject who are on undergraduate and graduate facul-
               The GRE Subject Tests are designed to help graduate                             ties in different types of institutions and in different
               school admission committees and fellowship sponsors                             regions of the United States and Canada. In selecting
               assess the qualifications of applicants in specific fields                      members for each committee, the GRE Program seeks
               of study. The tests also provide you with an assessment                         the advice of the appropriate professional associations
               of your own qualifications.                                                     in the subject.
                  Scores on the tests are intended to indicate                                     The content and scope of each test are specified and
               knowledge of the subject matter emphasized in                                   reviewed periodically by the committee of examiners.
               many undergraduate programs as preparation for                                  Test questions are written by the committee and by
               graduate study. Because past achievement is usually                             other faculty who are also subject-matter specialists
               a good indicator of future performance, the scores                              and by subject-matter specialists at ETS. All questions
               are helpful in predicting success in graduate study.                            proposed for the test are reviewed by the committee
               Because the tests are standardized, the test scores                             and revised as necessary. The accepted questions are
               permit comparison of students from different                                    assembled into a test in accordance with the content
               institutions with different undergraduate programs.                             specifications developed by the committee to ensure
               For some Subject Tests, subscores are provided in                               adequate coverage of the various aspects of the field
               addition to the total score; these subscores indicate                           and, at the same time, to prevent overemphasis on any
               the strengths and weaknesses of your preparation,                               single topic. The entire test is then reviewed and
               and they may help you plan future studies.                                      approved by the committee.
                                                        COMPUTER SCIENCE TEST                                                                                         3
                                                                       PRACTICE BOOK
             Subject-matter and measurement specialists on the                 Scores on the Subject Tests are reported as three-
         ETS staff assist the committee, providing information              digit scaled scores with the third digit always zero.
         and advice about methods of test construction and                  The maximum possible range for all Subject Test total
         helping to prepare the questions and assemble the test.            scores is from 200 to 990. The actual range of scores for
         In addition, each test question is reviewed to eliminate           a particular Subject Test, however, may be smaller. The
         language, symbols, or content considered potentially               maximum possible range of Subject Test subscores is
         offensive, inappropriate for major subgroups of the test-          20 to 99; however, the actual range of subscores for
         taking population, or likely to perpetuate any negative            any test or test edition may be smaller than 20 to 99.
         attitude that may be conveyed to these subgroups. The              Subject Test score interpretive information is provided
         test as a whole is also reviewed to ensure that the test           in Interpreting Your GRE Scores, which you will receive
         questions, where applicable, include an appropriate                with your GRE score report, and on the GRE Web site
         balance of people in different groups and different roles.         at www.gre.org/codelst.html.
             Because of the diversity of undergraduate curricula,
         it is not possible for a single test to cover all the              Content of the Computer
         material you may have studied. The examiners, there-
         fore, select questions that test the basic knowledge and           Science Subject Test
         skills most important for successful graduate study in
         the particular field. The committee keeps the test                 The test consists of about 70 multiple-choice
         up-to-date by regularly developing new editions and                questions, some of which are grouped in sets and
         revising existing editions. In this way, the test content          based on such materials as diagrams, graphs, and
         changes steadily but gradually, much like most cur-                program fragments.
         ricula. In addition, curriculum surveys are conducted                 The approximate distribution of questions in each
         periodically to ensure that the content of a test                  edition of the test according to content categories is
         reflects what is currently being taught in the under-              indicated by the following outline. The percentages
         graduate curriculum.                                               given are approximate; actual percentages will vary
             After a new edition of a Subject Test is first admin-          slightly from one edition of the test to another.
         istered, examinees’ responses to each test question are
         analyzed in a variety of ways to determine whether                    I.  SOFTWARE SYSTEMS AND
         each question functioned as expected. These analyses                      METHODOLOGY — 40%
         may reveal that a question is ambiguous, requires                         A.  Data organization
         knowledge beyond the scope of the test, or is inappro-                        1.  Data types
         priate for the total group or a particular subgroup of                        2.  Data structures and implementation
         examinees taking the test. Answers to such questions                              techniques
         are not used in computing scores.                                         B.  Program control and structure
             Following this analysis, the new test edition is                          1.  Iteration and recursion
         equated to an existing test edition. In the equating                          2.  Procedures, functions, methods, and
         process, statistical methods are used to assess the                               exception handlers
         difficulty of the new test. Then scores are adjusted so                       3.  Concurrency, communication, and
         that examinees who took a difficult edition of the test                           synchronization
         are not penalized, and examinees who took an easier                       C.  Programming languages and notation
         edition of the test do not have an advantage. Varia-                          1.  Constructs for data organization and
         tions in the number of questions in the different                                 program control
         editions of the test are also taken into account in                           2.  Scope, binding, and parameter
         this process.                                                                     passing
                                                                                       3.  Expression evaluation
          4                              COMPUTER SCIENCE TEST
                                                      PRACTICE BOOK
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...This book is provided free with test registration by the graduate record examinations board practice contains computer one actual full length gre science taking strategies become familiar structure and content instructions answering procedures compare your results performance of those who took at a administration visit online www org note to takers keep until you receive score report important information about specifications scoring copyright educational testing service all rights reserved ets logos are registered trademarks recommends that scores on table contents subject tests be considered in conjunction other relevant applicants because numer purpose ous factors influence success school development reliance single measure predict not advisable indicators competence typically include undergraduate transcripts showing courses preparing for taken grades earned letters recommendation writing assessment general appropriate use what mean write program mail stop l princeton nj or our web...

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