Lecture Note
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FEDERAL COLLEGE OF DENTAL TECHNOLOGY AND THERAPY, ENUGU FACULTY OF PURE AND APPLIED SCIENCES DEPARTMENT OF APPLIED SCIENCE COURSE OUTLINE COURSE Title: Computer Packages COURSE Code: COM102/121 Course Unit: 2 Prepared by: Mr. Osijirin Adesegun N. Course Description: This course expose the students to basic computer packages Attendance policy: All students are expected to attend all classes. Topical Outline Week Topic 1 Revision 2 Meaning of Software, Types of Software 3 System software 4 Application software 5 Word processing packages 6 Spreadsheet packages 7 Presentation packages 8 Database Packages 9 Graphic packages 10& 11 Practical 12 Revision Exercise/Continuous Assessment Test 13 Examination LECTURE NOTE SOFTWARE Softwareis a generic term that refers to a set of instructions and associated documentation that tells a computer what to do or how to perform a task. Program is referred to as a set of instructions. Software is the suite of programs including the applications and the operating system. Programming is the processing of writing computer codes/programs. A programmeris a person who writes computer programs. There are two types of software. These include: i. System software ii. Application software System Software System software is a type of computer program that is designed to run a computer’s hardware and application programs. The system software is the interface between the hardware and user applications. There are four major sub-classification of system software They are: a. Operating System b. Language translator c. Utility programs d. Device driver a. Operating system An operating system is system software that manages computer hardware and software resources and provides common services for computer programs. Functions of Operating System i. It manages the computer’s resources such as central processing unit (CPU), memory, disk drives, printer etc. ii. It establishes a user interface. iii. It provides services for applications software. iv. It manages input and output devices v. It detects, install and troubleshoots devices Examples of Operating System Popular Operating Popular Operating Popular Popular system for system for Operating internet/web computers network/server system for operating Mobile system devices Windows Ubuntu server iPhone OS Chrome OS 10/8/7/Vista/XP Mac OS Windows server Android OS Club Linux Ubuntu Red Hat Enterprise Windows Remic OS Phone OS b. Language translator Language translator is a computer program that performs the translation of a program written in a given programming language into a functionally equivalent program in another computer language, without losing the functional or logical structure of the original code. A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output. There are three types of programming languages, which are; Machine level language Low level language High level language There are three major types of language translators These include Compiler Interpreter Assembler Compiler Interpreter Assembler This is a program that This is a program that This is a program that converts high level translates high-level converts instructions language into a language into an written in low-level machine code e.g intermediate form, symbolic code into FORTRAN Compiler, which it then machine code PASCAL Compiler, C++ executese.g BASIC Compiler Interpreter c. Utility programs These programs are primarily used for diagnostic and maintenance tasks of the computer. Examples include Antivirus e.g AVG,Avast,Norton etc. Disk partion services such as Windows Disk Management, Partion Magic etc. Firewall for protection against external threats e.g Windows firewall Data Recovery to help retrieve lost data e.g iCare, Data Recovery,Recuva etc Data Backup for security reasons e.g Cobian,Clonezilla,Comodo etc. File Compression to optimize disk space such as WinRaR, Winzip, 7-Zip etc. Hardware Diagnostic services like Performance Monitor, Hard Disk Sentinel etc. d. Device Driver Device driver is a type of system software thatactivate computer devices and peripherals.Drivers make it possible for all connected components and external devices to perform their intended tasks as directed by the operating system. Examples of devices that require drivers include: Mouse Keyboard Soundcard Network card Display card Printer Application software An application software is a computer software designed to perform a group of coordinated functions, tasks or activities for the benefits of the user. These include Entertainment software Educational and Reference software Specialty software Productivity software Personal software Entertainment software Entertainment software is an application that supports a hobby or provides a form of amusement e.g WWE RAW,FIFA 2010,PES 2010 etc, Educational/Reference Software Educational software is a computer program that is primarily designed for facilitating teaching and self-learning e.g Encarta,Mavis Beacon Teaches Typing,Britannica etc. Reference software include Dictionairy,Theasurus Specialty software Specialty software isa programdesigned for specific job functions such as web page development document Productivity software Productivity software isa program that enables users to perform required task at home, school and business. Examples of productivity software include i. Word processing package ii. Spreadsheet packages iii. Presentation package iv. Database package v. Graphic Package Productivity Software Features Examples Word Processing Quick and Easy Editing Corel WordPerfect Package Variety of formatting options Microsoft Word Graphics Templates Spreadsheet Package Worksheets with cells Lotus 1-2-3 Values, formulas, and Microsoft Excel functions Automatic recalculation Presentation Package Templates, Layouts, Different Corel Presentations views Microsoft PowerPoint Database Package Organized into fields, records, Microsoft Access and tables My SQL Ability to group, sort, and SQL Server retrieve data and generate reports Graphic Package Layout, Arrange, Toolbox, Adobe Photoshop bitmap CorelDraw Effect , View, Colour Palette DIGRAMATIC ILLUSTRATION OF COMPUTER SOFTWARE SOFTWARE System Software Application Software Language Utility Operating Device Application User Application Translator Programs System Drivers Packages Programs Compiler Interpreter Assembler Productivity Entertainment Specialty Education/Reference Personal Accounting Engineering Medical Package e.g SPSS Package e.g AutoCAD Package Word Processing Spreadsheet Package Presentation Database Package Graphic Package Package e.g Ms e.g Ms Excel Package e.g Ms e.g Ms Access e.g CorelDraw Word PowerPoint WORD PROCESSING Word processing is an act of creating, editing, formatting, publishing and printing of textual-based documents such as letters, reports,memorandum,books etc. Word processor A word processor is a program or machine for creating, storing, and manipulating, formatting and printing documents. Examples of word processor include; a. Microsoft Word b. Corel Word Perfect c. Word Pad d. WordStar e. Kingsoft Writer f. Google Docs FUNCTIONS OF WORD PROCESSOR Some of the functions of word processors include: i. Creating, editing, saving ad printing of documents. ii. Copying, pasting, moving and deleting text within a document. iii. Formatting text, such as font type, bolding, underlining and italicizing. iv. Creating and editing tables. FEATURES OF WORD PROCESSOR – MS WORD ENVIRONMENT Some of the basic features of Ms Word include; Title bar Tool bar Ribbon Scroll bar Status bar Close button Ruler Office button Workspace S/N Features Functions 1 Title bar It is a section at the top of a window that contains the name of the file and application 2 Tool bar It consists of the standard tool bar and formatting toolbar. It is used to group commands for efficient access 3 Ribbon It is a command bar that organizes a program’s features into series of tabs at the top of the window. 4 Scroll bar It is a long thin section at the edge of MS Word environment by which text can be scrolled using a mouse 5 Status bar It is a graphical control element used to display MS Word status information 6 Close button To close MS Word application 7 Ruler It is used to measure the page layout in points, picas, inches, or centimeters 8 Office button This is located in the top-left corner of Ms Word Environment.It contains drop down list of commands e.g New, Open,Save, Save As, Print, Publish etc. 9 Work space The Workspace is the area in the document window where you enter/type the text of your document. MICROSOFT WORD ENVIRONMENT Office button Title bar Close button Ruler Work Space Scroll bar Types of Tool bar Status bar There are two types of tool bar, which are i. Standard tool bar ii. Formatting tool bar Standard tool bar Home tab, Insert tab, Page layout, Reference, Mailing, Review, View Formatting tool bar Font type, font size, strike through, Subscript, Superscript, Review, Change case,Text Highlight Colour,Font Colour,Bullet,Numbering,Multi level list,Decrease indent, Increase indent,Align Text Left,Center Alignment,Align Text Right,Line spacing,Shading, Border etc. MICROSOFT WORD SHORTCUT KEYS Ctrl+A Select all contents of the page. Ctrl+B Bold highlighted selection. Ctrl+C Copy selected text. Ctrl+D Open the font preferences window. Ctrl+E Aligns the line or selected text to the center of the screen. Ctrl+F Open find box. Ctrl+I Italic highlighted selection. Ctrl+J Aligns the selected text or line to justify the screen. Ctrl+K Insert a hyperlink. Ctrl+L Aligns the line or selected text to the left of the screen. Ctrl+M Indent the paragraph. Ctrl+N Opens new, blank document window. Ctrl+O Opens the dialog box or page for selecting a file to open. Ctrl+P Open the print window. Ctrl+R Aligns the line or selected text to the right of the screen. Ctrl+S Save the open document. Just like Shift+F12. Ctrl+T Create a hanging indent. Ctrl+U Underline the selected text. Ctrl+V Paste. Ctrl+W Close the currently open document. Ctrl+X Cut selected text. Ctrl+Y Redo the last action performed. Ctrl+Z Undo last action. Ctrl+Shift+L Quickly create a bullet point. Ctrl+Shift+F Change the font.