ITteoric11.pdf

Week 11: Put all the hardware together and You still need the ….? 1 Software:  All the instructions that tell the computer how to perform a task.  1. System software (Operating system-OS)  2. Application software...

Week 11: Put all the hardware together and You still need the ….? 1 Software:  All the instructions that tell the computer how to perform a task.  1. System software (Operating system-OS)  2. Application software 2 Software: System software  Helps the computer perform essential operating tasks and enables the application software to run  Provides platform to other softwares. As the interface between the hardware and the end users. Examples: macOS, GNU/Linux, Android, iOS, and Microsoft Windows. The most important features:  1. Closeness to the system  2. Fast speed  3. Difficult to manipulate  4. Written in low level language  5. Difficult to design 3 Software: System software, macOS  Previously Mac OS X and later OS X. It is a proprietary graphical operating system developed and marketed by Apple since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and laptop computers it is the second most widely used desktop OS 4 Software: System software, GNU/Linux The GNU Project is a free software, mass collaboration project. Its goal is to give computer users freedom and control in their use of their computers and computing devices by collaboratively developing and publishing software that gives everyone the rights to freely run the software, copy and distribute it, study it, and modify it. GNU software grants these rights in its license. GNU can be run by combining the GNU packages with the Linux kernel. 5 Software: System software, Android, iOS Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets. iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware. 6 Software: System software, Windows Microsoft Windows, commonly referred to as Windows, is a group of several proprietary graphical operating system families, all of which are developed and marketed by Microsoft. 1. Windows 1.0, 2.0, and 2.1x 2. 2. Windows 3.x 3. Windows 9x 4. Windows NT (Windows NT 3.1 /3.5 /3.51/4.0/2000, XP, Vista, 7, 8, 8.1, 10, 11) 5. Windows CE 6. Xbox OS. 7