Information Technology

My Grade 11 IT Theory Notes provide extensive coverage of the DBE IT Theory E-Book. These notes are a valuable resource for anyone looking to excel in their IT Theory exams, as they cover everything that you could be asked in your final exam.

Detailed notes on the System Software chapter of IT Theory Based on IEB syllabus -Start up and Boot Software: BIOS, CMOS and UEFI -Interrupts -Processing Techniques: Multitasking and Multithreading -Virtual Memory -Translators: High- and Low-Level Languages, Interpreters and Compilers -Machine Cycle: fetch, decode, execute and store

Detailed notes on the Hardware chapter of IT Theory Based on IEB syllabus -CPU -Serial Processing -Parallel Processing: Hyperthreading and Multiprocessing -Processor Cache -RAM -Types of Memory -Motherboards -System Clock -Speed vs Throughput -Internal Bus/Front Side Bus(FSB) -External Buses -Cloud Storage -Types of Caching

Detailed notes on the Local Area Networks chapter of IT Theory Based on IEB syllabus -Bounded Connection Media -Unbounded Connection Media -Broadcast vs Point-to-Point Communication -Topology -Ethernet -Network Addressing -LAN Network Devices -Open System Interconnection (OSI) Model -Wireless LAN

Detailed notes on the Wide Area Networks chapter of IT Theory Based on IEB syllabus -Fibre Optic Backbone -Wide Area Network (WAN) -Devices -Transmission -Internet Connection Technologies -Protocols

Detailed notes on the Internet chapter of IT Theory Based on IEB syllabus -Evolution of the Internet -Scripting -Cookies -Web-Based Applications -Mobile Websites -Mobile Applications -Design factors for Mobile Technology -Plug-Ins and Extensions -Search Engines -Using Multimedia Online -Compression Technology -Lossy Compression of Audio Files -MP3 Compression

Detailed notes on the Errors, Threats and Security chapter of IT Theory Based on IEB syllabus -Sources of Errors -Solutions to Errors -Database Management System Integrity -Threats to Computer Systems -Security Solutions

Detailed notes on OOP -Methods -Classes -Types of Methods -Array of Objects Class -UML Diagrams -Date and Time

Detailed notes on Java Programming -String Manipulation -The Maths Class -Arithmetic Operations -Data and Time -Scanner Class -Text Files: Reading from and writing to text files -Exceptions -Data Validation -Arrays -Sorting algorithms: Selection and Bubble Sort -Searching algorithms: Linear and Binary Search -Inserting a new elements into an Array -Deleting elements from an Array