Operating Systems
- Created by: horme0520
- Created on: 11-03-20 12:04
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- Operating Systems
- Systems software
- Managing users' instructions through the user interface
- Manages peripheral devices
- Controls computing processes
- Allocates CPU and memory resources
- Application software
- End-user program
- Perform user-identified tasks
- Word processing and photo editing
- Used for entertainment - games and viewing videos
- Memory management
- Many programs running at the same time - multitasking
- Activities being performed are called processes
- Some are visible as application software
- Usually in the background that the user cannot see
- File management
- Creates a folder and file structure for data
- Used to control file permissions on networks and shared computers
- Can control who can open a file, write to a file, edit it or delete it
- Asks for confirmation when you try to delete a file
- User interface
- Allows the user to communicate with the computer
- Many operating systems provide a Graphical User Interface
- Examples: Windows, Icons, drop-down Menus and Pointers (WIMP)
- User management
- On networks and shared computers
- Login names and passwords are used to allocate permissions for access to files
- Used in organisations to prevent individuals form making changes to computer software or inappropriate use
- Peripheral device management
- Use this for input and output of data
- Input devices
- Keyboard
- Mouse
- Microphone
- Webcam
- Scanner
- Output devices
- Printer
- Loudspeaker
- External or internal monitor
- Headphones
- Systems software
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