CS GRE: Difference between revisions
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Anything above a 800 (it's on a 200  Anything above a 800 (it's on a 200~900point (the top end changes from year to year, wtf) scale) seems pretty good. It appears that quality singlevolume preparation materials cannot be had at any price. Perhaps one ought be written?  
* '''We took the exam 20091010. I don't see myself updating this page much further.''' ([[User:DankDank]] 02:53, 12 November 2009 (UTC))  
* [http://ftp.ets.org/pub/gre/CompSci.pdf ETS Practice Booklet (PDF)], from the [http://www.ets.org/portal/site/ets/menuitem.1488512ecfd5b8849a77b13bc3921509/?vgnextoid=e9952d3631df4010VgnVCM10000022f95190RCRD&vgnextchannel=6ef946f1674f4010VgnVCM10000022f95190RCRD Computer Science Exam] page  * [http://ftp.ets.org/pub/gre/CompSci.pdf ETS Practice Booklet (PDF)], from the [http://www.ets.org/portal/site/ets/menuitem.1488512ecfd5b8849a77b13bc3921509/?vgnextoid=e9952d3631df4010VgnVCM10000022f95190RCRD&vgnextchannel=6ef946f1674f4010VgnVCM10000022f95190RCRD Computer Science Exam] page  
(This second link is pretty dubiouslyformed; YMMV. Go to the GRE page, click on Subject Info details, click on Computer Science ''[[User:DankDank]] 14:58, 30 July 2009 (UTC)'')  (This second link is pretty dubiouslyformed; YMMV. Go to the GRE page, click on Subject Info details, click on Computer Science ''[[User:DankDank]] 14:58, 30 July 2009 (UTC)'')  
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* [http://www.cc.gatech.edu/~howardz/micellaneous/gre_cs_sub/ GT notes] from 2006  * [http://www.cc.gatech.edu/~howardz/micellaneous/gre_cs_sub/ GT notes] from 2006  
* [http://sites.google.com/site/titaniumbits/ 100 shareware CS GRElike problems] from Christopher Scaffidi  * [http://sites.google.com/site/titaniumbits/ 100 shareware CS GRElike problems] from Christopher Scaffidi  
==Books we're using for general preparation==  ==Books we're using for general preparation==  
* Software Systems and Methodology  * Software Systems and Methodology  
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**'''CLR''': Thomas Cormen, Charles Leiserson and Ron Rivest, ''[http://www.amazon.com/IntroductionAlgorithmsSecondThomasCormen/dp/0262032937 Introduction to Algorithms]''. First edition, 19th printing.  **'''CLR''': Thomas Cormen, Charles Leiserson and Ron Rivest, ''[http://www.amazon.com/IntroductionAlgorithmsSecondThomasCormen/dp/0262032937 Introduction to Algorithms]''. First edition, 19th printing.  
**'''SIPSER''': Michael Sipser, ''[http://www.amazon.com/IntroductionTheoryComputationMichaelSipser/dp/053494728X Introduction to the Theory of Computation]''. First edition, first printing.  **'''SIPSER''': Michael Sipser, ''[http://www.amazon.com/IntroductionTheoryComputationMichaelSipser/dp/053494728X Introduction to the Theory of Computation]''. First edition, first printing.  
**'''KNUTH2''': Donald Knuth, ''[http://www.amazon.com/gp/product/0201896842 The Art of Computer Programming, Vol. 2: Seminumerical Algorithms]''. Third edition, first printing.  **'''KNUTH2''': Donald Knuth, ''[http://www.amazon.com/gp/product/0201896842 The Art of Computer Programming, Vol. 2: Seminumerical Algorithms]''. Third edition, first printing.  
Further texts are listed in the applicable sections below.  Further texts are listed in the applicable sections below.  
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==Subject Material==  ==Subject Material==  
Outline taken from the ETS CS GRE page  Outline taken from the ETS CS GRE page (20090730 1500 UTC)  
{ border="1" width="100%"  { border="1" width="100%"  
    
! align="left"  ! align="left"<small>''Area vocabulary listings follow each area in small, italicized, bolded text''</small>  
! References and Supplements  ! References and Supplements  
    
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colspan=2'''Programming languages and notation'''  colspan=2'''[[Programming Language TheoryProgramming languages]] and notation'''  
    
Constructs for data organization and program control  Constructs for data organization and program control  
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 Instruction sets <small>'''''general vs specialpurpose registers, condition word, loadstore vs registermemory architectures, addressing alignment, register vs immediate vs displacement vs indexed etc addressing, instruction sizes, control flow instructions, opcode expansion, reduced vs complex sets'''''</small>   Instruction sets <small>'''''general vs specialpurpose registers, condition word, loadstore vs registermemory architectures, addressing alignment, register vs immediate vs displacement vs indexed etc addressing, instruction sizes, control flow instructions, opcode expansion, reduced vs complex sets'''''</small>  
 '''H&P4''' 1.3, Appx   '''H&P4''' 1.3, Appx B, Appx J  
    
 Computer arithmetic and number representation <small>'''''signed magnitude, one's complement, signed zeros, two's complement, binary coded decimal, IEEE 754, biased representation, denormalization, positive and negative infinity, NaN, nearest rounding, directed rounding, overflow, underflow, carry indicator, arbitrary precision'''''</small>   Computer arithmetic and number representation <small>'''''signed magnitude, one's complement, signed zeros, two's complement, binary coded decimal, IEEE 754, biased representation, denormalization, positive and negative infinity, NaN, nearest rounding, directed rounding, overflow, underflow, carry indicator, arbitrary precision'''''</small>  
   '''H&P4''' Appx I  
    
 Register and ALU organization   Register and ALU organization  
   '''H&P4''' Appx F (Vector processors)  
    
 Data paths and control sequencing   Data paths and control sequencing  
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 Cache, main, and secondary storage   Cache, main, and secondary storage  
   '''H&P4''' Chapter 5.2, Appx C.13  
    
 Virtual memory, paging, and segmentation   Virtual memory, paging, and segmentation  
   '''H&P4''' Chapter 5, Appx C.4  
    
colspan=2 '''Networking and communications'''  colspan=2 '''Networking and communications'''  
    
 Interconnect structures (e.g., buses, switches, routers)   Interconnect structures (e.g., buses, switches, routers)  
   '''H&P4''' Appx E  
    
 I/O systems and protocols   I/O systems and protocols  
   '''H&P4''' Chapter 6  
    
 Synchronization   Synchronization  
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 Pipelining superscalar and outoforder execution processors   Pipelining superscalar and outoforder execution processors  
   '''H&P4''' Appx A  
    
 Parallel and distributed architectures   Parallel and distributed architectures  
  '''H&P4''' Chapter 4  
    
colspan=2'''THEORY AND MATHEMATICAL BACKGROUND  40%'''  colspan=2'''[[TheoryTHEORY]] AND MATHEMATICAL BACKGROUND  40%'''  
    
colspan=2 '''Algorithms and complexity'''  colspan=2 '''Algorithms and complexity'''  
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 Computational complexity, including NPcompleteness   Computational complexity, including NPcompleteness  
* Garey and Johnson, ''[http://www.amazon.com/ComputersIntractabilityNPCompletenessMathematicalSciences/dp/0716710455 Computers and Intractability: A Guide to the Theory of NPCompleteness]''  
 '''SIPSER''' 7, 8   '''SIPSER''' 7, 8  
    
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 Models of computation (finite automata, Turing machines)   Models of computation (finite automata, Turing machines)  
* Hopcroft and Ullman, ''[http://www.amazon.com/IntroductionAutomataTheoryLanguagesComputation/dp/0201441241 Introduction to Automata Theory, Languages and Computation]''  
 '''SIPSER''' 1, 3   '''SIPSER''' 1, 3  
    
 Formal languages and grammars (regular and context free)   Formal languages and grammars (regular and context free)  
* Gurari, ''[http://www.cse.ohiostate.edu/~gurari/theorybk/theorybk.html An Introduction to the Theory of Computation]''  
 '''SIPSER''' 2   '''SIPSER''' 2  
   
Latest revision as of 18:34, 29 January 2013
Anything above a 800 (it's on a 200~900point (the top end changes from year to year, wtf) scale) seems pretty good. It appears that quality singlevolume preparation materials cannot be had at any price. Perhaps one ought be written?
 We took the exam 20091010. I don't see myself updating this page much further. (Dank 02:53, 12 November 2009 (UTC))
 ETS Practice Booklet (PDF), from the Computer Science Exam page
(This second link is pretty dubiouslyformed; YMMV. Go to the GRE page, click on Subject Info details, click on Computer Science Dank 14:58, 30 July 2009 (UTC))
 UCB notes from 2001
 GT notes from 2006
 100 shareware CS GRElike problems from Christopher Scaffidi
Books we're using for general preparation
 Software Systems and Methodology
 CTMCP: Peter Van Roy and Seif Haridi, Concepts, Techniques, and Models of Computer Programming. First edition, fourth printing.
 SICP: Harold Abelson and Gerald Jay Sussman, Structure and Interpretation of Computer Programs. Second edition, first printing, and online version.
 Computer Organization and Architecture
 H&P2, H&P4: John Hennessy and David Patterson, Computer Architecture: A Quantitative Approach. Second and fourth editions (first printing each).
 WARD: Stephen Ward and Robert Halstead, Computation Structures. First edition, first printing.
 Theory and Mathematical Background
 CLR: Thomas Cormen, Charles Leiserson and Ron Rivest, Introduction to Algorithms. First edition, 19th printing.
 SIPSER: Michael Sipser, Introduction to the Theory of Computation. First edition, first printing.
 KNUTH2: Donald Knuth, The Art of Computer Programming, Vol. 2: Seminumerical Algorithms. Third edition, first printing.
Further texts are listed in the applicable sections below.
Online courseware
 The Stanford Engineering Everywhere project at the Stanford School of Engineering
 MIT's OpenCourseware project at the Open Courseware Consortium
Subject Material
Outline taken from the ETS CS GRE page (20090730 1500 UTC)
Area vocabulary listings follow each area in small, italicized, bolded text  References and Supplements 

SOFTWARE SYSTEMS AND METHODOLOGY  40%  
Data Organization  
Data types  
Data structures and implementation techniques  
Program control and structure  
Iteration and recursion  
Procedures, functions, methods, and exception handlers  
Concurrency, communication, and synchronization  
Programming languages and notation  
Constructs for data organization and program control  
Scope, binding, and parameter passing  
Expression evaluation  
Software engineering  
Formal specifications and assertions


Verification techniques


Software development models, patterns, and tools  
Systems  
Compilers, interpreters, and runtime systems


Operating systems, including resource management and protection/security  
Networking, Internet, and distributed systems


Databases  
System analysis and development tools  
COMPUTER ORGANIZATION AND ARCHITECTURE  15%  
Digital logic design  
Implementation of combinational and sequential circuits  
Optimization and analysis  
Processors and control units  
Instruction sets general vs specialpurpose registers, condition word, loadstore vs registermemory architectures, addressing alignment, register vs immediate vs displacement vs indexed etc addressing, instruction sizes, control flow instructions, opcode expansion, reduced vs complex sets  H&P4 1.3, Appx B, Appx J 
Computer arithmetic and number representation signed magnitude, one's complement, signed zeros, two's complement, binary coded decimal, IEEE 754, biased representation, denormalization, positive and negative infinity, NaN, nearest rounding, directed rounding, overflow, underflow, carry indicator, arbitrary precision  H&P4 Appx I 
Register and ALU organization  H&P4 Appx F (Vector processors) 
Data paths and control sequencing  
Memories and their hierarchies  
Performance, implementation, and management  
Cache, main, and secondary storage  H&P4 Chapter 5.2, Appx C.13 
Virtual memory, paging, and segmentation  H&P4 Chapter 5, Appx C.4 
Networking and communications  
Interconnect structures (e.g., buses, switches, routers)  H&P4 Appx E 
I/O systems and protocols  H&P4 Chapter 6 
Synchronization  
Highperformance architectures  
Pipelining superscalar and outoforder execution processors  H&P4 Appx A 
Parallel and distributed architectures  H&P4 Chapter 4 
THEORY AND MATHEMATICAL BACKGROUND  40%  
Algorithms and complexity  
Exact and asymptotic analysis of specific algorithms BigO (<math>O(f())</math>), BigTheta (<math>\Theta(f())</math>), BigOmega (<math>\Omega(f())</math>), LittleO (<math>o(f()))</math>), LittleOmega (<math>\omega(f())</math>)  Asymptotic Notation and Recurrences lecture from MIT's 6.046J 
Algorithmic design techniques (e.g. greedy, dynamic programming, divide and conquer)  Divide+Conquer, Dynamic Programming and Greedy algorithm lectures from MIT's 6.046J 
Upper and lower bounds on the complexity of specific problems  
Computational complexity, including NPcompleteness

SIPSER 7, 8 
Automata and language theory  
Models of computation (finite automata, Turing machines)

SIPSER 1, 3 
Formal languages and grammars (regular and context free)  SIPSER 2 
Decidability  SIPSER 4, 5, 6.2, 6.3 
Discrete structures  
Mathematical logic  
Elementary combinatorics and graph theory connected, connectivity, directed (digraph), eccentricity, circumference, acyclic, path, weighted, subgraph, expander, hypergraph, multigraph, tournament, complete (<math>K_n</math>), scorpion, set cover, vertex cover  
Discrete probability, recurrence relations, and number theory  
OTHER TOPICS  5% "Example areas include..."  
Numerical analysis  
Artificial intelligence  
Computer graphics  
Cryptography  
Security  
...and social issues. 