PC MASTER KIT
The Comprehensive Computer Operational Guide, Advanced Accounting Formulas & Commercial Service Blueprint.
📋 Student Registration Credentials
Enter details to generate your digital license:
📘 Part 1: Computer Basics, OS Navigation & File Hygiene (Free Preview)
A complete foundation to operating system management, keyboard commands, and system hygiene:
1.1 Computer Anatomy & Storage Hierarchy
• CPU (Processor): The computing core calculating operations in Gigahertz (GHz).
• RAM (Memory): Fast volatile workspace. 8GB minimum recommended for office work; 16GB for design.
• Storage (SSD vs HDD): NVMe PCIe SSDs deliver up to 3500 MB/s speed, 5x faster than mechanical HDDs.
• 3-2-1 Backup Rule: Maintain 3 total copies of important files, on 2 different media, with 1 offsite/cloud copy.
1.2 Windows 11 & macOS Master Navigation Table
👈 Swipe table left / right 👉| Command | Windows Shortcut | Mac Differs | Status |
|---|---|---|---|
| New Folder | Ctrl + Shift + N | Cmd + Shift + N | ✓ Verified |
| Rename File / Folder | F2 | Return (Enter) | ✓ Verified |
| Open File Explorer / Finder | Win + E | Finder Icon | ✓ Verified |
| Permanent Delete (Bypass Trash) | Shift + Delete | Opt + Cmd + Del | ✓ Verified |
| Clipboard History (Multi-paste) | Win + V | Windows Tool | ✓ Verified |
| Snip Screenshot Tool | Win + Shift + S | Cmd + Shift + 4 | ✓ Verified |
| Quick Task Manager | Ctrl + Shift + Esc | Cmd + Opt + Esc | ✓ Verified |
📄 Part 2: Microsoft Word Professional Mastery
Office correspondence, certificates, tables, and document typography guidelines:
2.1 Typography & Layout Hierarchy Rules
• Paper Size: Always set layout to A4 (210 x 297mm) before drafting documents in Sri Lanka.
• Section Breaks vs Page Breaks: Use Ctrl + Enter for a Page Break. Use Layout > Breaks > Section Break (Next Page) when changing headers, footers, or rotating a single page to Landscape for large tables.
• Mail Merge in 4 Steps: 1. Mailings Tab > Start Mail Merge > Letters. 2. Select Recipients > Use an Existing List (Excel file). 3. Insert Merge Fields («Name», «Amount»). 4. Finish & Merge > Edit Individual Documents.
| Command | Shortcut | Purpose |
|---|---|---|
| Save As Dialog | F12 | Save directly with a new name |
| Format Painter Copy | Ctrl + Shift + C | Copy text styling only |
| Format Painter Paste | Ctrl + Shift + V | Apply copied styling to new text |
| Toggle Text Case | Shift + F3 | Uppercase / Lowercase / Title Case |
| Insert Non-breaking Space | Ctrl + Shift + Space | Keeps words together (e.g. Rs. 5,000) |
📊 Part 3: Microsoft Excel Accounting & Formula Engine
Audited and verified accounting formulas with Sri Lanka tax standards:
3.1 Sri Lanka 18% VAT Math Principles (Certified Accounting)
• VAT Exclusive (Adding VAT to Net Subtotal):
=Subtotal * 0.18 → Gives the 18% Tax amount.
=Subtotal * 1.18 → Gives the Total Invoice Payable.
• VAT Inclusive (Extracting VAT from Gross Total):
=GrossTotal / 1.18 → Gives the original net price before VAT.
=GrossTotal - (GrossTotal / 1.18) → Extracts the hidden 18% VAT portion accurately.
| Function | Syntax Example | Verified Output | Usage Context |
|---|---|---|---|
| =SUM() | =SUM(B2:B10) | Numeric Total | Monthly Expense Summations |
| =AVERAGE() | =AVERAGE(C2:C12) | Mean Value | Student Mark Analysis |
| =IF() | =IF(D2>=50,"PASS","FAIL") | Text Result | Grading & Condition Audits |
| =XLOOKUP() | =XLOOKUP(A2, A10:A50, C10:C50) | Matched value | Modern replacement for VLOOKUP |
| =ROUND() | =ROUND(A2*0.18, 2) | 2 Decimals | Accurate Cents Accounting |
🚀 Parts 4 to 7: Complete Practical Kit
PowerPoint Executive Rules, Cybersecurity Shields, DTP Service Pricing in LKR, and 8 Step-by-Step Practical Projects.
⌨️ Shortcuts Hub (Filterable Directory)
Search from verified keyboard shortcuts:
| App | Command | Key Combination | Mac Differs |
|---|---|---|---|
| MS Word | Save As Dialog | F12 | Cmd + Shift + S |
| MS Word | Copy Formatting | Ctrl + Shift + C | Cmd + Shift + C |
| MS Word | Paste Formatting | Ctrl + Shift + V | Cmd + Shift + V |
| MS Word | Toggle Case | Shift + F3 | fn + Shift + F3 |
| MS Excel | AutoSum Cells | Alt + = | Cmd + Shift + T |
| MS Excel | Insert Current Date | Ctrl + ; | Cmd + ; |
| MS Excel | Flash Fill Pattern | Ctrl + E | Excel 2016+ |
| PowerPoint | Slide Show from Slide 1 | F5 | Cmd + Return |
| PowerPoint | Black Screen Toggle | B | Standard |
| Windows 11 | Clipboard History | Win + V | Windows Only |
| Windows 11 | Snip Screenshot | Win + Shift + S | Cmd + Shift + 4 |
🧮 Excel Formulas Lab & Sri Lanka VAT 18%
Calculate Sri Lanka 18% VAT live:
=Amount * 18%📄 Templates Studio (Ready-to-Use)
Date: [Insert Date] To: The Store Manager, [Vendor Name], Hatton, Sri Lanka. Subject: Request for Computer Hardware Price Quotation Dear Sir/Madam, We kindly request a formal price quotation for desktop computer units, SSD storage upgrades, and consumables. Please state unit prices, Sri Lanka 18% VAT inclusion status, warranty, and delivery timeline. Thank you. Sincerely, [Your Name / AAC Royal Art Creation]
======================================= AAC ROYAL ART CREATION - HATTON CASH RECEIPT & SERVICE BILL ======================================= Receipt No: REC-2026-001 Date: [Date] Customer: [Customer Name] | Phone: [Phone] --------------------------------------- Item / Description Amount (LKR) 1. OS Optimization Rs. 2,500.00 2. RAM Upgrade 8GB DDR4 Rs. 6,500.00 --------------------------------------- Subtotal: Rs. 9,000.00 VAT (18%): Rs. 1,620.00 Net Total Paid: Rs. 10,620.00 =======================================
🎓 Certification Self-Test & Evaluation
Test your knowledge to receive your official readiness score:
Owner Portal Security
Admin Portal-ல் நுழைய உங்கள் Password-ஐ உள்ளிடவும்: