GATE CS Mastery
My library

Formula SheetFCOGATE CS 2027

Computer Organization and Architecture Formula Sheet

Formulas • Symbols • Conditions • Traps • Recall

A4 formula and reference sheet for GATE CS Computer Organization and Architecture: CPI and execution time, instruction formats and expanding opcodes, addressing modes, carry lookahead and Booth, control word sizing, memory chip arrays, AMAT, cache address split and tag memory, DMA and interrupt overhead, pipeline speedup and stall counting.

  • 8 A4 pagesone topic per page
  • PDF (A4)Version 1.0.2
  • Screen editionPhones, tablets, laptops
  • Print editionPrepared for A4 printing

₹19Regular price ₹29Launch price

Launch price: ₹19 instead of the regular ₹29.

Page 1 of 8

3 of 8 pages shown as images. The purchased PDF is sharper, searchable and has clickable bookmarks.

Page 1 of 8

What is inside

8 pages, one purpose each

  1. p. 1Cover, contents and how to useThe page map, a key to every box type, and the order to read on the last day.
  2. CO-F02Performance and Instruction SetsCPI, execution time, formats, opcodes, addressing
  3. CO-F03ALU, Datapath and ControlAdders, Booth, datapath steps, control word sizing
  4. CO-F04Memory Chips and HierarchyChip arrays, decoders, AMAT, multilevel, disk time
  5. CO-F05Cache OrganizationTag, index, offset; tag memory; replacement; writes
  6. CO-F06I/O: Programmed, Interrupt, DMACPU time lost to polling, interrupts and DMA
  7. CO-F07PipeliningSpeedup, throughput, hazards and stall counting
  8. CO-F08Confused Pairs and RecallPairs that get swapped, numbers to recall cold

How each page works

Built for fast revision

  • Formula cards with every symbol defined
  • Rearranged forms of the same relation
  • Use when: the question type the card answers
  • Trap: the mistake examiners set up
  • Worked examples
  • Reference tables
  • A closing page of confused pairs and Last-Minute Recall

About this pack

Scope

A formula and reference sheet for the Computer Organization and Architecture part of the GATE CS 2027 syllabus, organised as topic mini-sheets: performance and instruction sets, the ALU, datapath and control unit, memory interfacing and the memory hierarchy, cache organisation, I/O, and instruction pipelining. Each formula card states what every symbol means, its units, the conditions under which it holds, and the rearranged forms you need when the question asks for a different quantity. Short cues mark when to use a relation and the mistakes students make with it. Reference tables cover addressing modes, write policies and hazard types. A final page collects the pairs students confuse and a Last-Minute Recall list. Every worked number on the sheet was recomputed by a script. It is a revision aid for students who have already studied the topics; it does not replace a textbook or a course.

Is it right for you?

Who it is for, and how you get it

Who it is for

GATE CS 2027 candidates who have studied the subject and want fast, reliable revision: one page per sitting of about ten minutes, then the last-day sheet before the exam.

Screen edition

For phones, tablets and laptops. Clickable bookmarks jump between pages.

Print edition

The same pages prepared for A4 printing. Both editions are included.

Preparing more than one subject?Complete GATE CS Formula Sheet CollectionAll 12 packs including Computer Organization and Architecture Formula Sheet, for ₹149 (launch price).

Before you buy

Common questions

What exactly will I receive?

A 8-page A4 PDF in two editions: a screen edition for reading on a device and a print edition prepared for A4 printing. Nothing is shipped; it is a download.

Can I read it on my phone, and can I print it?

Yes. The PDF opens in any PDF reader on phones, tablets and computers, and the bookmarks jump between pages. You may print it for your own study.

Is it for GATE 2027?

Yes. The packs follow the official GATE CS 2027 syllabus, and each pack says what is in scope and what is covered in another pack. GATE CS Mastery is independent and not affiliated with IIT, IISc or the GATE organising committee.

How is this different from ordinary short notes?

Each page answers one question and uses labelled boxes: rules with their conditions, traps with the fix, comparison tables and small worked examples. Every pack ends with a traps sheet, a question-patterns sheet and a one-page last-day sheet.

What happens after I pay?

When Razorpay confirms the payment, download buttons appear straight away and a receipt is emailed to you. Later, My library sends a one-time link to your purchase email and shows fresh download links.

What if the payment succeeds but the download fails?

Do not pay again. Your purchase is recorded as soon as the payment is verified. Open My library, or write to support@gatecsmastery.com with your order ID or Razorpay payment ID. See the refund policy for when a refund applies.