Os software

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  • 1. System Software Operating Systems
  • 2. Role of OS• An operating system is a set of programs containing instructions that work together to coordinate all the activities among the computer hardware. Specifically;1. Configuring devices (organising drivers)2. Provide user interface3. Managing programs4. Coordinating tasks (ie organising print jobs)5. Monitoring performance of hardware6. Establishing internet access7. Providing security measures
  • 3. Types of Operating Systems• Three categories of OS1. Stand Alone – (ie Windows XP, Windows 7, Mac OS X, Linux). These are OS’s that work on a computer, notebook or laptop.2. Server – This is an OS which is designed to support a network. It is installed on the server. (ie Windows Server 2008, Netware, Novell, Linux)3. Embedded – This resides on the ROM chip of mobile phone devices and other consumer electronics. (ie Iphone OS, Google Android, Blackberry, Symbian)
  • 4. This is what your computer would look like without an Operating System
  • 5. This is what your computer would look like with an Operating System
  • 6. OK so which is best for an organisation and why? Video
  • 7. Advantages of Windows OS• Familiar with most people. They know how to operate it• More software is compatible with Windows OS• Will run on all PC machines regardless of manufacturers.• More support available. More operators means more online tutorials, textbooks, online help, educational courses.• More compatible with Network software like Windows Network OS 8
  • 8. Disadvantages of Windows OS’s• More malware is targeted to computers with Windows OS• Expensive compared to Linux• Has been regarded in the past as unstable with security issues. Requiring users to download updates or patches to solve issues.
  • 9. Advantages of Mac OS X• Is sold with quality software included and superior multimedia capabilities. More ports included for fire wire connection, inbuilt camera etc.• Requires less drivers. Supports more Plug and Play hardware.• Is renown for its user friendly interface• OS is written for its specific hardware therefore tends to be more stable.• Less susceptible to malicious software attacks.
  • 10. Disadvantages of Mac OS X• More expensive than Windows 7 and Linux because OS will only run on Apple built machines.• Less software available for Mac OS X computers.• Less support available in regards to tutorials, courses, textbooks.• Staff may need to training to use the OS
  • 11. Advantages of Linux• Its free• It’s a stable OS, possibly the most stable.• Its open source software and therefore it is customisable. You can change the code to make it operate differently.• Its free
  • 12. Disadvantages of Linux• Its not as familiar with people therefore training is required.• Isn’t always compatible with all types of software.• Support is limited for users (online, textbooks, courses)