CS Fundamentals
200 articles in this topic
Propositional and Predicate Logic in Discrete Mathematics: From Truth Tables to Quantifiers
Build logic from atomic propositions to nested quantifiers, with complete truth tables, canonical forms, countervaluations, and finite-domain checks.
Coal India MT Eligibility and Selection Process: What the Notification Actually Says
Use the current Coal India notification to verify your degree, percentage, age and selection route before you prepare for a CBT or depend on a GATE score.
SQL Window Functions Explained: ROW_NUMBER, RANK, and DENSE_RANK with Interview Problems
See why window functions preserve rows, then calculate three ranking columns on the same tied-score table.
Regular Language Properties: Closure, Decision Tests, and Worked Examples
Connect closure properties, decision tests, and proof tools through product automata, pumping arguments, Myhill-Nerode reasoning, and checked string traces.
Register Transfer and Microoperations in COA: RTL Notation, Bus Design, and Every Microoperation Type with Worked Examples
RTL becomes easy when you treat every statement as parallel hardware action at one clock edge. This guide works through buses, subtraction, bit masks, insertion, and signed shifts.
Combinational Circuits in Digital Electronics: Design, MUX, Decoders and Worked Examples
Learn a repeatable method for converting a logic specification into a verified combinational circuit, then apply it to adders, multiplexers, decoders, parity and hazards.
Dynamic Memory Allocation in C: malloc, calloc, realloc and the Bugs Exams Test
Follow one resizable integer array from allocation to release. The worked trace explains byte counts, preserved values, uninitialised elements and the safe temporary-pointer pattern.
Cyber and Info Security in Computer Networks: Complete Guide with Worked RSA and Diffie-Hellman Examples
Build the topic from security goals to firewalls, then hand-calculate RSA encryption, an RSA signature, and a Diffie-Hellman shared secret. Includes exam traps and an interview-ready TLS explanation.
Intermediate Code Generation in Compiler Design: Three-Address Code, Quadruples, Triples and Worked Examples
Learn how a compiler produces intermediate code, represents it as quadruples or triples, removes repeated work with a DAG, and handles control flow.
Optimization in Discrete Mathematics: Linear Programming, Integer Methods and Worked Examples
Learn how to model and solve continuous and discrete optimization problems through a workshop LP, an integer branch-and-bound tree, an assignment matrix, and a dual.
UPPSC Polytechnic Lecturer (CS): Eligibility and the Full Selection Process
A B.Tech or M.Tech label alone does not settle lecturer eligibility, and the written exam may not be the final stage. Read the complete funnel before planning.
File Organization and Indexing in DBMS for GATE: Dense, Sparse, Primary and Secondary Indexes
Build one sorted file, count its blocks, and index it in enough ways to make dense, sparse, primary, secondary, and multilevel questions routine.