Practice • Improve • Repeat
System Software for UPSC ISS is the layer nobody sees and the paper keeps asking about. Not the operating system, which gets its own article, but the quieter machinery underneath it: the programs that turn what you wrote into something a processor can run. Quick answer. System software and language translators have produced 15 questions … Read more
Sovereign green bonds raise a question that sounds impossible. Why would an investor knowingly accept a lower return on one government bond than on another government bond of identical risk and maturity, issued by the same borrower? The answer is a single word that this month’s data made newsworthy, and it is a word very … Read more
Input and Output Devices for UPSC ISS looks like the easiest topic in the Computer section, and it is. That is exactly why the paper sets traps inside it rather than asking hard questions. Quick answer. Peripherals have produced 12 questions in the last ten papers, an average of 1.2 a year, or 3 marks. … Read more
UPI at 10 years is the second anniversary assessment in this cluster. In July we looked at nine years of the Goods and Services Tax. The two are worth reading together, because they are the same kind of story told twice: a system built to solve a domestic problem that ended up producing data nobody … Read more
CPU for UPSC ISS is the first thing the syllabus names after “operations of a computer”, and it is the one hardware topic where candidates stop at the surface. Everyone knows the CPU has an ALU and a control unit. Very few know which register holds the next instruction, and that is the question the … Read more
The Minimum Support Price regime is the rare policy where almost everyone is partly right. Farmers who want it legally guaranteed are right that market prices collapse at harvest. Economists who warn against that guarantee are right that it would distort cropping patterns and strain the budget. An answer that picks a side and argues … Read more
Computer Memory for UPSC ISS is the heaviest article in this hardware module, and the third heaviest in the whole series. Quick answer. Memory has produced 23 questions in the last ten papers, an average of 2.3 a year, or about 5.75 marks. That is nearly twice what the CPU and peripherals produce individually. Only … Read more
Delimitation in India has been frozen for fifty years, and Census 2027 is what ends that freeze. In June we wrote that the census would decide the next delimitation exercise, and left it there. This article is that consequence examined properly. It is also the most politically delicate topic in the whole General Studies syllabus, … Read more
Binary Codes for UPSC ISS is the half of the number systems syllabus that nobody teaches separately, which is why candidates who have carefully practised conversions still lose these marks. Quick answer. Codes and binary arithmetic have appeared 10 times in the last ten papers, an average of one question a year, or 2.5 marks. … Read more
The Indian Statistical Institute Bill, 2026 has been introduced in the Lok Sabha, and of every current affairs topic across three months of filtering, this is the one written most directly for you. In July we covered Prasanta Chandra Mahalanobis founding the Institute in 1931, and why that institution matters to anyone entering the Indian … Read more