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==Algorithms ==
<div><b>GATE Topics: </b><br>
<ul>
<li>Analysis, Asymptotic notation, Notions of space and time complexity, Worst and 
average case analysis; </li>
<li>Design: Greedy approach, Dynamic programming, Divide-and-conquer; </li>
<li> Tree and graph traversals, Connected components, Spanning trees, Shortest paths; </li>
<li>Hashing, Sorting, Searching. </li>
<li>Asymptotic analysis (best, worst, average cases) of time and space, upper and lower bounds, Basic concepts of complexity classes – P, NP, NP-hard, NP-complete. </li> </ul>
</div>
{| class="wikitable"
! Book
! style="width: 70%;"|
Description
|-
| [http://www.flipkart.com/introduction-algorithms-english-3rd/p/itmdwxyrafdburzg?pid=9788120340077&otracker=from-search&srno=t_2&query=cormen&ref=510d0180-8463-4da4-aad8-2a9c48597772 Introduction to Algorithms]
C.L.R.S
| Cormen covers entire GATE syllabus (and much more) in Algorithms as well as Data Structures. Language is simple for most part but some mathematics is required to understand the analysis parts. (This book is only for learning algorithms and theory of data structures and there is no sample programs given in it)
|-
| [http://www.flipkart.com/fundamentals-computer-algorithms-english-2nd/p/itmeyf6efzzdvfzw?pid=9788173716126&otracker=from-search&srno=t_2&query=Fundamentals+of+Algorithms,+by+Horowitz+,+Sahni+,+Rajasekaran.&ref=a205f320-efd0-49d4-9420-000c3dba7e24 Fundamentals of Computer Algorithms ]
Rajasekaran, Sahni, Horowitz
| This book is Mini version of Cormen’s book , this cover almost everything with short discussions ,which is written in Cormen with more pages.  
Use this book along with NPTEL lecture of Professor Naveen Garg .
Actually if u see prof Garg’s Nptel   upon DS you will find slides are taken from this book. Slides are available online in the following link:

[http://ww3.algorithmdesign.net/handouts/ http://ww3.algorithmdesign.net/handouts/]
|-
|[http://www.flipkart.com/design-analysis-computer-algorithms-english-1st/p/itmdytssm9frfuqg?pid=9788131702055&otracker=from-search&srno=t_1&query=Alfred+V.Aho,Hopcroft+and+Jeffrey+Ullman.+algorithms&ref=e55b7825-5b49-4c97-935b-789e98ca0b1d Design & Analysis of Computer Algorithms]
Aho, Hopcroft, Ullman
| Another classic book for algorithms. 
|}

==Databases==
{| class="wikitable"
! Book 
! style="width: 70%;"|
Description
|-
| [http://www.flipkart.com/database-systems-models-languages-design-application-programming-models-languages-design-english-6th/p/itmdgt9kundwyaxr?pid=9788131792476&otracker=latest-item Database Systems, Elmasri, Navathe]
| Covers entire GATE syllabus and especially good for file structures and normalization
|-
| [http://www.flipkart.com/database-systems-practical-approach-design-implementation-management-english-4th/p/itmdwrb2tzvhh956?pid=9788131720257&icmpid=reco_pp_same_book_book_4&ppid=9788177585568 Database Systems, Connolly, Begg]
| Covers entire GATE syllabus and is easy to understand.
|-
| [http://www.flipkart.com/database-management-systems-english-3rd/p/itmdy5c3mgcb78dt?pid=9789339213114&otracker=from-search&srno=t_1&query=database+ragu&ref=8b7451f0-6450-457d-8d91-19eb6d44584a Database Management Systems, Raghu Ramakrishnan]
| Another very good book especially for  Transaction management and Normalization.
|-
|[http://www.flipkart.com/database-system-complete-book-english-1st/p/itmdytst2qhzfgaa Database System, Widom, Ullman, Garcia-Molina]
|Another very good book.
|-
|[http://www.flipkart.com/database-system-concepts-6e-english-6th/p/itmdx5hyjtjjud7b?pid=9789332901384&otracker=from-search&srno=t_1&query=database+silbershatz&ref=46fc387d-8cd6-4a89-975e-5bc84090dfe Database System Concepts, Silberschatz]
|Very good book but English is bit high standard
|}

==Compiler Design==
{| class="wikitable"
! Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/compilers-principles-techniques-tools-english-2nd/p/itmdwu94m9nth2wa?pid=9788131721018&otracker=from-search&srno=t_1&query=compilers+principles%2C+techniques%2C+and+tools&ref=fe5f9819-4e41-4010-9dcb-d8e5303f7f60 Compilers : Principles, Techniques, & Tools Aho, Sethi, Ulman, Lam ]
| One and only book. If you find the explanations tough, start looking at the given examples, they are easy to follow
|}
==Operating Systems==
{| class="wikitable"
! Book
! style="width: 70%;"|
Description
|-
| [http://www.flipkart.com/operating-system-concepts-english-8th/p/itmey3rhg5xdhpys?pid=9788126520510&ref=55638360-4ceb-49d5-9919-c57784ca43a7&srno=t_2&otracker=from-search&otracker=latest-item&query=slibershatz Operating System Concepts, Silberschatz, Galvin]
| Very good for learning theory in OS. English is good to understand. Writing style is pretty easy and fun. Enough for GATE
|-
|[http://www.flipkart.com/modern-operating-systems-3-e-english-3rd/p/itmdx5gwcf4jhvfj?pid=9788120339040&otracker=from-search&srno=t_1&query=operating+system+tannenbaum&ref=af85287a-4ed1-49a0-96a5-19218fc32145 Modern Operating Systems, Tanenbaum]
|The Book , but if you read Galvin it is ok , read Tanenbaum for more Knowledge. It contains great number of problems. Also includes some of theory that is not included in Galvin’s book.
|}
==Theory of Computation==
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/introduction-formal-languages-automata-4th/p/itmdfjfnkvmpnabu?pid=9788173197819&otracker=from-search&srno=t_1&query=an+introduction+to+formal+languages+and+automata+by+peter+linz&ref=cb3b00d6-a770-43df-bc38-a038421d57e3 An Introduction To Formal Languages And Automata, Peter Linz]
| Most recommended one for GATE
|-
|[http://www.flipkart.com/introduction-theory-computation-2nd-english/p/itmdfcamz8zfkzzz?pid=9788131517505&otracker=from-search&srno=t_1&query=sipser&ref=bb122966-0efa-4f6c-b7b8-9c4b7607cfb3 Introduction to Theory of Computation, Sipser] 
| Sipser is a quick and comprehensive guide. It is recommended to be read after you have grip on the subject.
|-
| [http://www.flipkart.com/introduction-computer-theory-english-2nd/p/itmeyfnuqk6ehnuf?pid=9788126513345&otracker=from-search&srno=t_1&query=cohen+theory&ref=b41541af-5746-464e-8d22-b9dc365801f9 Introduction To Computer Theory]
| Cohen can be read if very good detailed analysis is required. SPOON FEEDING !
|-
| [http://www.flipkart.com/introduction-automata-theory-languages-computation-english-3rd/p/itmdwuafje6xhdft?pid=9788131764619&ref=0eea7fe0-1ae2-4a95-a28b-e9ff58db68a5&srno=t_1&otracker=from-search&query=hopcroft Introduction to Automata Theory, Languages, and Computation ]
| n most colleges you will find this book as a  Main book , but believe me  within Cohen or Linz, if you read any one of them , Enough!
|}

==CO & Architecture==
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/computer-organization-5e-english-5th/p/itmdwxz8ahzhg7zy?pid=9781259005275&otracker=from-search&srno=t_1&query=computer+organisation+by+carl+hamacher&ref=6ebf9153-d4bb-4f55-a8b4-3a01c49727f6 Computer Organization Vranesic, Zaky, Hamacher]
|
|-
|[http://www.flipkart.com/computer-organization-architecture-designing-performance-english-8th/p/itmey7qwaeuubgg4?pid=9788131732458&otracker=from-search&srno=t_1&query=stallings+william%2C+computer+organization+%26+architecture%2C+pearson+education%2C+8th+ed.%2C+2010&ref=aff593ce-3301-450d-b12c-58babd17b35b Computer Organization and Architecture : Designing for Performance, Stallings]
|
|-
| [http://www.groupes.polymtl.ca/inf2610/documentation/ComputerSystemBook.pdf Computer Systems: A Programmers perspective]
| This is a really good book in perspective of architecture as a simple view of how the actual hardware is organised is given. Apart from the classical confusing diagrams, this book has simple ones which is quite clear in its meaning. The explanation for pipeline execution and hazards are really good. This book is no longer in print, but you can get its pdf by clicking in the link provided. Highly recommended if you have time as this covers many of the other CS subjects as well. 
|}

==Computer Networks==
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/computer-networks/p/itmdxcfuqyqjryxa?pid=DGBDNY382GZTKGNQ&otracker=from-search&srno=t_1&query=davie+networks&ref=47dcd318-fc8e-4b8a-922a-000ea8ee9b96 Computer Networks,  Peterson, Davie]
| Most recommended for GATE
|-
|[http://www.flipkart.com/data-comm-netw-5e-global-ed-english-5th/p/itmdhbyx8cpfhzge?pid=9781259064753&ref=7829042b-d739-4891-a50e-2bbb26b6b223&srno=t_1&otracker=from-search&query=Forouzan+computer+networks Data Communication & Networks, Forouzan]
| Good book with Basics clear
|-
|[http://www.flipkart.com/computer-networks-5th/p/itmdkzrvw2xcanwg?pid=9788131787571&otracker=from-search&srno=t_1&query=computer+networks+tanenbaum&ref=10a83716-8095-4159-bc5b-c32f0f91ca42 Computer Netwroks, Tanenbaum, Wetherall]
|Kurose is best for Almost all fundamental concept with clear figure and very understandable manners
|-
|[http://www.flipkart.com/computer-networking-top-down-approach-english-5th/p/itmdatheqysd3cfn?pid=9788131790540&otracker=from-search&srno=t_1&query=computer+networks+by+kurose&ref=d9a4f1e3-0730-4157-9c45-e7fc3d80defb Computer Networking: A Top-Down Approach, Kurose]
| One can not neglect the amazing book by tanenbaum. It contains everything in a very well written way. It is amusing and `it deals with issues in a manner you want to do. If you are starting the subject, go with it. It is not recommended for last time reading. Keep making good notes if you read his book.
|}

==Programming & Data Structures ==
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/search?q=ritchie&as=off&as-show=off&otracker=start The C Programming Language, Kernighan, Ritchie]
|No comments- This is the best. To really understand the working of C, you must read this book. If you find this book tough, that means you have to correct your concepts by talking to knowledgeable people. Many local books, skips difficult to digest concepts and make easy to read books- but to get everything you have to follow this book.
|-
|[http://www.flipkart.com/data-structures-using-c-english-1st/p/itmeygjhmkg77xzy?pid=9788131702291&otracker=from-search&srno=t_2&query=tannenbaum+algorithms&ref=a2db40fb-5a65-4c3c-a319-a048634938b5 Data Structures Using C, Aaron M. Tenenbaum]
| For most of the data structure concepts

|}
==Digital Logic==
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
| [http://www.flipkart.com/digital-logic-computer-design-english-1st/p/itmdyughsrncfvsg?pid=9788177584097&otracker=from-search&srno=t_1&query=+by+morris+mano&ref=2dc66827-d61c-489b-9270-467f6954e5b4 Digital Logic & Computer Design, Morris Mano]
| No Comment… One and only…

|}
==Information Systems and Software Engineering==
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/software-engineering-english-6th/p/itmdx925vgduvhzs?pid=9780070701137&otracker=from-search&srno=t_1&query=software+engineering+by+pressman&ref=7a20efc8-6a93-494b-9de1-93e250b26fab Software Engineering, Pressman]
| Just see the GATE topics from this bible. 
|}
==Web technologies==
== Engineering Mathematics==
===Mathematical Logic=== 
===Probability===
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/first-course-probability-english-9th/p/itmeyhmrscqsytep?pid=9789332519077&otracker=from-search&srno=t_1&query=ross+probability&ref=a6c054ef-d7e6-4e19-a26b-8f1a45e83955 A First Course in Probability, Ross]
|Sheldon ross’s book (1st course in Probability) is undoubtedly very good.But you have to read this book very deeply page by page.
|}
===Set Theory & Algebra=== 
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/discrete-mathematics-its-applications-combinatorics-graph-theory-english-7th/p/itmdwxxszhczjrnf?pid=9780070681880&otracker=from-search&srno=t_1&query=discrete+mathematics+and+its+applications+by+kenneth+h.rosen&ref=d9721371-0168-4553-a128-c337b7c0cbe7 Discrete Mathematics and Its Applications with Combinatorics and Graph Theory, Rosen]
|
|}
===Combinatory===
===Graph Theory===
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/graph-theory-applications-engineering-computer-science-english-new/p/itmdytcjrqqcyxgm?pid=9788120301450&ref=a48bd004-a410-4e6a-9581-570a3f31b5c4&srno=t_1&otracker=from-search&query=graph+theory+narsingh+deo Graph Theory With Applications To Engineering And Computer Science, Deo] 
|
|}
===Linear Algebra===
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/linear-algebra-its-applications-english-4th/p/itmey7qhzmragaty?pid=9788131501726&otracker=from-search&srno=t_1&query=gilbert+strang&ref=35d0c899-dc36-4bb1-ae4d-92cf055fbf5e Linear Algebra and its Applications, Gilbert Strang]
|
|-
|[http://www.flipkart.com/higher-engineering-mathematics-english-43rd/p/itmczyhpmhhtqnsa?pid=9788174091956&ref=04f4284d-0b23-4ee9-8ec8-575200059f10&srno=t_1&otracker=from-search&query=bs+grewal+engineering+mathematics Higher Engineering Mathematics , Grewal]
|
|}
===Numerical Methods===
===Calculus===
==General Aptitude==
{|class="wikitable"
!Book
! style="width: 70%;"|
Description
|-
|[http://www.flipkart.com/quantitative-aptitude-competitive-examinations-english-17th/p/itmdytga2sgpggmg?pid=9788121924986&ref=fa36fcb4-078c-4280-b9c8-d849701e4a98&srno=t_1&otracker=from-search&query=agrewal+aptitude Quantitative Aptitude For Competitive Examinations, Aggarwal]
|
|}
Book	Description
Introduction to Algorithms C.L.R.S	Cormen covers entire GATE syllabus (and much more) in Algorithms as well as Data Structures. Language is simple for most part but some mathematics is required to understand the analysis parts. (This book is only for learning algorithms and theory of data structures and there is no sample programs given in it)
Fundamentals of Computer Algorithms Rajasekaran, Sahni, Horowitz	This book is Mini version of Cormen’s book , this cover almost everything with short discussions ,which is written in Cormen with more pages. Use this book along with NPTEL lecture of Professor Naveen Garg . Actually if u see prof Garg’s Nptel upon DS you will find slides are taken from this book. Slides are available online in the following link: http://ww3.algorithmdesign.net/handouts/
Design & Analysis of Computer Algorithms Aho, Hopcroft, Ullman	Another classic book for algorithms.
Book	Description
Database Systems, Elmasri, Navathe	Covers entire GATE syllabus and especially good for file structures and normalization
Database Systems, Connolly, Begg	Covers entire GATE syllabus and is easy to understand.
Database Management Systems, Raghu Ramakrishnan	Another very good book especially for Transaction management and Normalization.
Database System, Widom, Ullman, Garcia-Molina	Another very good book.
Database System Concepts, Silberschatz	Very good book but English is bit high standard
Book	Description
Operating System Concepts, Silberschatz, Galvin	Very good for learning theory in OS. English is good to understand. Writing style is pretty easy and fun. Enough for GATE
Modern Operating Systems, Tanenbaum	The Book , but if you read Galvin it is ok , read Tanenbaum for more Knowledge. It contains great number of problems. Also includes some of theory that is not included in Galvin’s book.
Book	Description
An Introduction To Formal Languages And Automata, Peter Linz	Most recommended one for GATE
Introduction to Theory of Computation, Sipser	Sipser is a quick and comprehensive guide. It is recommended to be read after you have grip on the subject.
Introduction To Computer Theory	Cohen can be read if very good detailed analysis is required. SPOON FEEDING !
Introduction to Automata Theory, Languages, and Computation	n most colleges you will find this book as a Main book , but believe me within Cohen or Linz, if you read any one of them , Enough!
Book	Description
Computer Organization Vranesic, Zaky, Hamacher
Computer Organization and Architecture : Designing for Performance, Stallings
Computer Systems: A Programmers perspective	This is a really good book in perspective of architecture as a simple view of how the actual hardware is organised is given. Apart from the classical confusing diagrams, this book has simple ones which is quite clear in its meaning. The explanation for pipeline execution and hazards are really good. This book is no longer in print, but you can get its pdf by clicking in the link provided. Highly recommended if you have time as this covers many of the other CS subjects as well.
Book	Description
Computer Networks, Peterson, Davie	Most recommended for GATE
Data Communication & Networks, Forouzan	Good book with Basics clear
Computer Netwroks, Tanenbaum, Wetherall	Kurose is best for Almost all fundamental concept with clear figure and very understandable manners
Computer Networking: A Top-Down Approach, Kurose	One can not neglect the amazing book by tanenbaum. It contains everything in a very well written way. It is amusing and `it deals with issues in a manner you want to do. If you are starting the subject, go with it. It is not recommended for last time reading. Keep making good notes if you read his book.
Book	Description
The C Programming Language, Kernighan, Ritchie	No comments- This is the best. To really understand the working of C, you must read this book. If you find this book tough, that means you have to correct your concepts by talking to knowledgeable people. Many local books, skips difficult to digest concepts and make easy to read books- but to get everything you have to follow this book.
Data Structures Using C, Aaron M. Tenenbaum	For most of the data structure concepts
Book	Description
Linear Algebra and its Applications, Gilbert Strang
Higher Engineering Mathematics , Grewal