Software

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Software

• CPS120 Introduction to Computer Science
• Lecture 3

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Software

• Software helps you accomplish specific tasks
• Manufacturers also may create minor software
  updates called patches, to make corrections or
  improvements to software
• Application software
• Word processor helps you create professional
  looking documents quickly and efficiently
• Documents
• Editing
• Printing
• Formatting
• Tables
• Images
• Mail merge

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Spreadsheets

• Perhaps the original killer app
• Manage finances on your computer
• Manage data in a list
• Funtions
• Formatting
• Editing
• Formatting
• Formulas and calculations
• Charts

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Database Programs

• Helps you manage large collections of information
• Phone directories
• Product listings
• Payroll information
• Features
• Store information
• Find information
• Analyze and print information

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Databases

• Organized in
• Tables
• Collection of information about a specific topic
• Field
• Category of information
• Record
• Single instance of information

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Application Suites

• Word processing
• Spreadsheet program
• Presentation program
• Information management program
• Mail, calendars, address book
• Database program

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Utility Programs

• Utility A program that performs a specific task
  on your computer
• Norton utilities recover files
• Virusscan anti-virus
• Acrobat Reader View PDF (Portable Document
  Format) files
• Winfax pro
• ViaVoice Speech recognition
• WinZip Compress and decompress files

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Operating Systems

• Chapter 6

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Operating Systems

• Software that controls the overall activity of
  the computer
• Ensure that all of the parts of the computer work
  together smoothly
• Functions
• Control hardware
• Run software
• Manage information
• Programs that run on one operating system
  platform do not generally run on others

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Types of Operating Systems

• MS-DOS
• Command driven
• Windows
• Windows 3.1
• Windows 9X (95, 98)
• Windows ME
• Windows XP
• Windows NT
• Windows 2000
• GUI Graphical User Interface
• UNIX
• MAC OS

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MS-DOS

• Characterized by the C\gt prompt
• Cursor is the flashing line on the screen where
  you type
• File Organization Root directory is C\
• Path describes the location of a file
• Files Name is 8 extension is 3

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Windows 3.1

• Not technically an operating system
• Works with MS-DOS
• Program Manager is the control center
• File Manager used to organize files
• Desktop Background area

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Windows 95

• True operating system eliminated reliance on
  DOS
• My Computer lets you browse all folders and
  documents
• START button allows you to quickly access
  programs and documents
• Windows Explorer Shows the location of each
  folder and document on the computer

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Windows -98

• Similar to Windows-95
• More reliable than Windows-95
• Has multiple monitor capability
• Uses FAT32 file system
• Includes Internet functionality
• Explorer
• Outlook Express
• Front Page Express

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Windows ME

• Millennium Edition
• Similar to 98
• Added features
• Record videos using Windows Movie Maker
• Manage Multimedia Files with Media Player
• Restore your computer
• Set up a home network
• Phone home

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Windows XP

• Windows XP, which is available in Home and
  Professional editions, was released in October.
  Windows XP Professional is intended to replace
  Windows 2000 Professional. Windows XP Home
  Edition was designed as the upgrade for the
  Windows 95, 98 and Me line.
• Although the two systems run on the same kernel,
  or engine that drives the operating
  system,Windows XP has many features that are not
  included in Windows 2000.
• System Restore
• Built-in Firewall
• Much more graphic
• NT look and feel
• Multiple users
• CD-RW functionality

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Windows NT

• Features advanced networking and security
• Separates Workstations and Servers
• Runs Windows-9X programs
• Workstations communicating with NT can run
• NT
• Linux
• Win 9X
• Mac OS 9

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Windows 2000

• Supports larger network
• Server and client re-united

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UNIX

• Can run single computer or entire network
• Developed on mainframes in late 60s
• Versions
• SCO
• Solaris
• Linux
• HP-UX
• AIX
• Most widely used operating system on Internet

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Unix Features

• Harder to install but provides more power and
  control
• True multi-tasking OS
• Security

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LINUX

• Unix-based system offered as freeware on the
  Internet
• Can purchase from Red Hat, Corel or mandrake
• Can be set up with GUI operating system called
  GNOME or as a command line system
• Features
• Software analogous to Windows available
• Accounts for root and personal functions are
  available

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MAC OS

• Version 9
• Advanced sound, video and graphics
• Internet (Sherlock2)
• Version 10
• New GUI
• Includes dock for frequently accessed items
• Graphics PDF, QuickTime and OpenGL
• Improved operating system Kernel

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