System software and application software
14.1 The relationship between hardware, software and users
Refer to Fig 14.1 in textbook.
Different type of user interface
| Command Line Interface (CLI) | Menu Driven interface | Graphical User Interface (GUI) |
| For experience user | For experience user | Common for Desktop Operating system (icons) |
| Use keyboard only | Use keyboard OR mouse | Use Both Keyboard and mouse |
Windows XP - cmd
Common in Server:
Ubuntu Server
Windows Server offer CLI version starting from 2008 | Work with GUI / CLI | Mainly in Desktop OS |
use less system resource for handling GUI
typing is more efficient for experience user.
Less attacking point as less software is installed. | | User friendly
No need to memorized commands.
|
14.2 System Software
Operating system: make the system resources and allow users to run other application software
Utility program - perform specific tasks include system security, data protection and resource optimization
Driver program - allow a specific peripheral to communicate with the computer system
Basic features of an operating system
| Type of OS | Feature | Example |
| single user | allow one user to operate | Phone OS e.g. Android, IOS |
| single tasking | allow one program run at a time. It can switch between application. | Old Desktop OS (e.g. MS-DOS)
Some of the phone OS. |
| Multi-User | Allow 2 or more users to use at the same time | Linux
Microsoft Windows Server 2008 / 2012R2 |
| Multi-tasking | Allow 2 or more programs to run at the same time. | Most Desktop OS, some phone OS |
| Multi-processing | running program with more than 1 CPU. | Most Server OS |
Basic Function of Operating system
- Device configuration (e.g. 裝置管理員 Device Manager)
- File Management (e.g. 檔案總管 Windows Explorer)
- Memory Management
- Interface platform
- network communication management
Example of Common Operating System (May 11, 2014)
| | Phone OS
(32 bits) | Desktop OS
(32 bits / 64 bits) | Server OS
(64 bits) |
| Linux kernel | Android 4.4 | Ubuntu 14.04 Desktop | Ubuntu 14.04 Server |
| Windows NT Kernel | Windows Phone 8 | Windows 8.1 | Windows Server 2012r2 |
Linux Distribution:
Different version are available
Windows 10
Different version (Home, Pro, Mobile)
Windows Server 2012 http://www.microsoft.com
14.2.3 Utility Programs
Groups of program to enhance an OS. Many are built in the OS.
Backup utility
Data Recovery utility
File manager
Anti-virus software
Program uninstaller
Disk Scanning program
Disk defragmenter (work on magnetic hard disk, Don't do it in solid state hard disk)
14.2.4 Driver Programs
14.3 Application Software
Productivity Software
| Types | Microsoft | OpenOffice.org | Google |
| Word processing | Word | writer | Docs |
| Spreadsheet | Excel | Calc | Spreadsheet |
| Presentation Software | | Impress | |
| Database Software | | Base | |
| | | | |
Communication software
| Type | Example |
| e-mail client program | outlook, |
| Web Browser | Chrome, Internet explorer, Firefox, Safari, Opera |
| FTP program (security risk) | |
| Instant messaging program | Yahoo!messenger |
| IP phone | Skype |
Multimedia Software
| Graphics Software | Photoshop, Photo-impact, GIMP |
| Audio editing software | Audacity |
| Video editing software | Windows Movie maker |
| Web authoring software | Dreamweaver, Expression |
| Computer Aided design | Sketchup (3D modeling software) |
| | |
Entertainment and education software
Online dictionary, Google translate
6_Apps_Software_Lunar New Year Presentation
6_Apps_Software_Lunar New Year Presentation