WBCHSE CLASS XI ( CLASS 11 ) COMPUTER APPLICATION THEORY

A. Brief Review of Computer Hardware: (10 Marks)
      History of Computers
      Computer Generations
      Functions of Computers
      Block Diagram of a Computer System
      Brief description of each functional block of a computer –
             Input Devices (Keyboard, Mouse, Touch Screen, OMR, OCR, MICR, Punch Tape, Punch Card, Graphic Tablet, Barcode Reader, Light Pen)
            Output Devices (Monitor – CRT, LCD; Printer)
            CPU (CU, ALU)
            Memory – Primary (RAM, ROM) and Secondary (HDD, FDD, CD-ROM) and CACHE
           BUS- Definition and types
           Multimedia System- Basic concepts and its uses


B. Data Representation: (10 Marks) 
        Number Systems – Decimal, Binary, Octal and Hexadecimal
        Conversion (whole numbers and fractions) of
        Binary to Decimal, Octal, Hexadecimal and vice versa
 
C. Topics on Boolean Algebra: (10 Marks)
       Logical Operations – OR, AND, NOT logic
       Laws and Identities of Boolean Algebra
       De’ Morgan’s Theorems and Basic Principle of Duality
       Proof using Identities and Truth Tables
       Combinational logic functions- Simple SOP and POS expressions
       Basic Logic Gates – OR, AND, NOT, XOR, X-NOR Gates
       Universal Gates – NAND and NOR Gate, Basic Gates using Universal Gates

D. Concepts of Computer Software & Languages: (15 Marks)
     Importance of Software
     Types of Software:
          System Software (compiler, debugger, interpreter, linker, loader and operating systems),                      Application Software (definition and example) and
          utility software (definition and example)
    Operating System overview (MS-DOS and MS-Windows)
    Programming Languages: Concepts of High Level, Low Level and Assembly language
    Generations of Programming Languages
    Programming Languages used for problem solving:
                  scientific, commercial and data manipulation -
                  Concept of Graphical User Interface(GUI) languages


E. Data Processing: (10 Marks) 
         Difference between Data and Information
         Information
               Need for Information
               Qualities of Information
               Value of Information
               Categories of Information
               Levels of Information
         Data
            Types of Data
             Logical and Physical Concepts of Data
             Data Processing System/Cycle
             Data Processing Operations
             Data Validation
       Human Being as an information processor
       Primary Storage, Secondary storage.
       Directories and Folders

F. Packages: (15 Marks)

     Introduction to Word Processing – MS Word: (10 Marks)
                 Creating, Opening, Editing and Saving a document
                 Copy, Cut, Paste operations
                 Page Setup, Headers and Footers
                 Formatting Texts, 
                 Paragraph,
                 Page Borders
                 Inserting Clip-Art, Word-Art, Auto-Shapes, Picture, Symbol, Equation
                 Table insertion
                 Mail Merge
                 Macros
                 Spelling and Grammar chec
                Printer Setup and Document Printing

  Introduction to PowerPoint: (5 Marks)
               Creating, Opening, Editing and Saving a PowerPoint presentation
               Use of Wizards
               Different styles and background
               Formatting Texts ¾ Inserting Clip-Art, Word-Art, Auto-Shapes, Picture
               Applying slide transition, applying animation to text and objects
               Inserting sound and video clips
               Slide Show
               Printing of slides