MMayank Mahajan51m ago · 8 min readHow Does Your Computer Run Everything at Once? Types of Operating Systems ExplainedRight now, I have VS Code open, Chrome with far too many tabs, Spotify playing, and a backend server running on localhost. One laptop, four things happening, and somehow nothing is fighting for contromayankdev.hashnode.dev
EEdulace4d ago · 30 min readLinux Is Still the Developer’s Control Plane: A Practical Guide to Commands, Containers, Cloud, and AI AgentsModern software development is changing quickly. AI coding assistants can generate functions, explain unfamiliar codebases, suggest fixes for failing tests, and help developers navigate frameworks theedulace.hashnode.dev
MMuzasio4d ago · 18 min readStore-and-Forward: What a Router Really Does With Your PacketMost of us studied circuit and packet switching as course material. Here is what it actually looks like inside a router. The textbook defines store-and-forward in one sentence: a packet switch "must rmuzasio.hashnode.dev
HHaseeb SagheerOct 19 · 22 min readFinal Year Projects for CSE (2026): 40 Computer Science Project Ideas and How to Defend OneThe best final year project for CSE is one you can finish in 12 weeks, explain line by line in the viva, and show live in a placement interview. Below are 40 ideas with difficulty, stack and a twist fkitsbyai.hashnode.dev
MMayank MahajanOct 18 · 14 min readWhy Do Operating Systems Exist? What If There Was No OS?Imagine buying a computer with a powerful CPU, 16 GB of RAM, an SSD, and a dedicated GPU. You install TikTok to watch videos. Then you install PUBG to play a game. You click PUBG while TikTok is stillmayankdev.hashnode.dev
VVaness AbalosOct 18 · 5 min readStarting Point of My Tech CareerWhy I Chose Computer Science & What I Hope to Build Hello, tech world! My name is Vaness Abalos, and I am a 1st-year Bachelor of Science in Computer Science (BSCS) student. This is my very first technmy-cs.hashnode.dev
SSoham GaichorOct 18 · 6 min readWhy Array Indexing Starts at 0 (And Not 1): A Low-Level Deep DiveIf you’ve ever stumbled over an "IndexOutOfBoundsException" or accidentally created an off-by-one loop during a coding interview, you’ve probably asked yourself: "Why on earth do arrays start at 0 insoham111.hashnode.dev
MMahir FaysalOct 18 · 5 min readWhy Is My Hard Drive Smaller Than Advertised? GB vs GiB ExplainedA drive sold as 1TB shows as about 931GB in Windows because the two use different units. Drive makers count 1TB as 1,000,000,000,000 bytes (powers of 1,000). Windows divides by powers of 1,024 and stimfaysaldev.hashnode.dev
RReal DevOct 17 · 6 min readBelady's Anomaly: FIFO vs LRU vs Optimal, Checked in PythonPage replacement questions in GATE CS are mostly counting. You get a reference string, a number of frames and a policy, and you write a row of letters. The idea is easy; the marks go when you lose trarealdev9868.hashnode.dev
SShambhavi KrishnanOct 11 · 6 min readWhat Actually Happens When You Ask ChatGPT a Question?It starts with your phone keyboard You open WhatsApp and type: "Happy birthday to..." Before you even finish, your keyboard suggests one word: "you". You never taught your phone that. It just knows, bshambhavik.hashnode.dev
