Computer System · Class 11 Computer Science · Chapter 1
💻 Computer System
CBSE Class 11 Electives · Computer Science · Chapter 1
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Six free PDFs + an editable PPTX cover every angle of this chapter — read the deck, drill the MCQs, sit the full paper, then check against the marking scheme.
📖Notes Deck
Full lecture deck with teaching paragraphs, misconception red-boxes, and glossary. Read this first.
Download PDF →📝Quick Drill
15 pattern-tagged MCQs with per-Q time budget. Drill under a 20-min timer.
Download PDF →📄Exam Paper
Full exam-pattern paper with sections. Sit it closed-book before checking the marking scheme.
Download PDF →✅Marking Scheme + Topper Templates
Model answers + topper-template structures examiners reward with full credit.
Download PDF →⚡Cheat Sheet
1-page exam-day card: key points, top question patterns, 90-minute revision flow.
Download PDF →👨👩👧For Parents
1-page plain-language parent guide: what's being learned + questions to ask your child.
Download PDF →Top question patterns · CBSE annual / SQP aggregate
| 90% | Draw/explain the von Neumann functional block diagram — Name all four units · put ALU+CU+registers inside the CPU · state the stored-program + fetch-decode-execute idea · label the bus. | 3 MARKS |
| 95% | Differentiate RAM vs ROM — Two-column table: volatility, read/write, purpose, example types — never swap the volatility. | 2 MARKS |
| 80% | Memory hierarchy ordering + units conversion — List fastest→slowest · state speed↓ cost↓ capacity↑ · remember 1 KB = 1024 B not 1000. | 2 MARKS |
| 75% | System vs application software with examples — System runs the machine (OS, drivers); application runs your task (Word, browser). Give one example each. | 2 MARKS |
| 70% | Boot process OR ASCII vs Unicode — Boot: ROM firmware → POST → bootloader → OS into RAM. Encoding: ASCII 7-bit/128 chars English; Unicode all scripts. | 2 MARKS |
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