GATE 2026 CS Preparation Tips: Why DSA and CN are hot topics in student forums?

Graduate Aptitude Test in Engineering 2027 ( GATE )

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GATE 2027 Application Form Release Date

27 Aug '26

UPASANA
UPASANA PRADHAN
Assistant Manager- Editorial
Updated on Nov 27, 2025 19:06 IST
However, when it comes to GATE CS preparation, few topics spark a buzz among the students, i.e the Data Structure and Algorithms and Computer Networks (CN). Honestly, these aren’t just chapters in the GATE syllabus, but also a foundational concept that attracts every other aspect of computer science. But do you know the reason why? Because DSA and

If you have ever looked at student community forums then there are two terms that are talked about often - DSA and computer networks. From GATE preparation to meme culture, these topics have dominated in every aspect. Read below to know why GATE DSA and CN are trending recently.

GATE CSE important topics- DSA and CN

When it comes to GATE CS preparation, few topics often come under spotlight, one is data structure and algorithms and the other is computer networks. They are not just chapters in GATE syllabus, but also a popular in terms of job oportunities. But the real question lies why GATE DSA is often looked as scoring machine in GATE? Well, with pattern and concept driven questions it helps you to get good score in exam.

GATE 2026: Why DSA and CN are considered to be the highest-scoring topics 

On student forums and communities, many aspirants and GATE toppers have shared their strategies- DSA and CN together often account for 15 to 20 marks (approx).

DSA includes core concepts stacks, queues, trees, heaps, recursion, and searching/sorting algorithms: areas known for their predictability and consistency in GATE question
Computer Networks OSI layers, TCP/IP, IP addressing, congestion control, and protocols, all of which appear every single year.

REAL TIME UPDATES: GATE 2026 ADMIT CARD LIVE UPDATES

GATE 2026 CS Topics

Both data structures and computer networks in GATE exam offer great learning pattern. Students can refer to top GATE CS books, like Galvin for CN, Narasimha Karumanchi, Roberto Tamassia Michael T. Goodrich for data structures and algorithms.

Best Books for GATE DA and Algorithms

Here are some recommended books for GATE DSA (Data Structures and Algorithms) from toppers and experts -

Books Authors
Data Structures and Algorithms Made Easy Narasimha Karumanchi
Introduction to Algorithms Thomas H Cormen, Charles E.Leirserson, Ronald L. Riveset, and Clifford Stein
Data Structures using C Reema Thareja
Data Structures and Algorithms in Java

Robert Lafore

Aspirants can check out top books for GATE computer networks (CN) below -

Book name Author
Computer Networking: A top-down approach James Kurose and Keith Ross
Data Communications and Networking Behrouz A. Forouzan
C Programming Language Kernighan and Ritchie

Qualify for GATE and Attend Interviews

DSA and CN have direct career applications. Many top companies like Google and Amazon look for candidates with expertise in such subjects. These companies look for candidates with strong critical thinking and ability skills. 

Candidates who are targeting PSUs through GATE, these subjects can be very helpful. Many technical interviews have questions based on coding and design. Even IIT interviews do ask questions on TCP protocols, etc. 

Let's talk about Paychecks

Now, let's talk about money. If you are aiming for software development or network engineer job, then expertise in DSA and CN can be a great ROI. Companies love candidates who think out of box.

If you have registered for GATE 2026 and finding tough to complete syllabus then be clear with these two topics. They are great for academics and interviews.

So, next time you see a meme or thread, try understand it.

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About the Author
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UPASANA PRADHAN
Assistant Manager- Editorial

Upasana Pradhan is an Mtech graduate in Electronics and Communication Engineering from DTU who specialises in curating postgraduate and undergraduate engineering entrance exam content, such as GATE, TS PGECET, KCET,

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