Resources · Freshers
Everything a fresher is grilled on in campus placements and off-campus tech interviews — the core computer-science subjects (OOPs, DBMS, Operating Systems, Computer Networks), data structures & algorithms, and language depth. Each subject links to a full guide with answers, examples and pitfalls.
The six clusters that make up almost every fresher technical round.
The four pillars, abstraction vs encapsulation, overloading vs overriding, interface vs abstract class, and SOLID.
Keys, normalization up to 3NF, ACID properties, indexing, and every join type explained simply.
Process vs thread, the four deadlock conditions, CPU scheduling, paging vs segmentation, and synchronization.
OSI vs TCP/IP, TCP vs UDP, what happens when you type a URL, DNS, and HTTP vs HTTPS.
Big-O, must-know data structures, the patterns that solve most coding rounds, and a realistic study plan.
Pointers vs references, memory management, virtual functions & vtables, the STL, and RAII.
Assuming one to two focused hours a day. Consistency beats intensity.
Weeks 1–2: OOPs + DBMS — the two most-asked theory subjects. Lock in definitions with examples.
Weeks 3–4: Operating Systems + Computer Networks — process/thread, deadlock, TCP vs UDP, type-a-URL.
Weeks 5–6: DSA fundamentals — arrays, strings, hashmaps, linked lists, and the core patterns.
Weeks 7–8: C++/language depth + timed coding practice and full mock interviews out loud.
Aptitude, SQL, language-specific and company-specific guides.
Knowing the answer is half the battle — explaining it clearly under pressure is what gets the offer. Practice core-CS and coding rounds with a realistic AI interviewer and get instant feedback.