1.1 - Hardware and Software

Everything that happens in a computer goes from:
Input  -   Processor - Output
                    | |
                    | |
               Storage

The CPU infact does not connect directly with the hard drive but instead with the RAM stick. As trying to connect the CPU to a Hard Drive is like trying to talk to someone from a Jet Plane to a Bicycle.

Software:
Software = sets of instructions which tell the system how to do things. These sets of instructions are collected together in workable groups known as programs.

Operating Systems:

• User Interface Software
• Provides a GUI
• Provides a Platform for Apps to sit on
• Middle man between Apps and Hardware i.e. Word does not know anything about printers but the OS does
• Translator Software (TS)
• An OS provides its own TS
• Translates High Level language into Machine 'code' - Source Code to Object Code
• Utilities
• Allows you to change the system to a certain extent
• Apps
• Common Apps (Any app that is used all around the world)
• iPhoto
• Word
• MYOB
• Generic Apps (Any piece of software that is used for multiple applications)
• Word
• PowerPoint
• Custom App (Unique scenario written essentially to do one task)
• Off the shelf software (Brought from a shop)
• Downsides
• Paying for all the Software you don't use
• Upsides
• Lots of support