The OS Flashcards
(14 cards)
What is systems software designed to do?
Run and maintain a computer system
The most important type of systems software is the operating system (OS), followed by utility software.
What are the main functions of an Operating System (OS)?
- Communicate with internal and external hardware via device drivers
- Provide a user interface
- Provide a platform for different applications to run
- Allow multi-tasking by controlling memory resources and the CPU
- Deal with file management and disk management
What is the role of device drivers in an operating system?
To communicate with internal hardware or peripherals
Device drivers act as a ‘translator’ between the OS and hardware.
What happens when a computer is booted up regarding device drivers?
The OS chooses the correct device drivers for the detected hardware
If new hardware is connected, the system installs the new, matching driver.
What may device manufacturers release updates for?
- Fix bugs
- Add features
- Improve performance
What is a User Interface (UI)?
A means for the user to interact with a computer system
What type of User Interface is most common today?
Graphical User Interfaces (GUIs)
GUIs are designed to be visual, interactive, and intuitive for everyday users.
What are WIMP-based GUIs?
GUIs that use windows, icons, menus, and pointers
What input methods are optimized in Android™ and iOS®?
Touchscreen devices using finger gestures like pinching and swiping
What is a command-line interface?
A text-based interface where users enter specific commands to complete tasks
How do command-line interfaces compare to GUIs in terms of resource use?
Command-line interfaces are less resource-heavy than GUIs
True or False: Command-line interfaces are suitable for everyday users.
False
They are more efficient and powerful for advanced users.
What can command-line interfaces be used for?
Automating processes using scripts
What does the OS allow the computer to do?
- Run applications
- Multi-task
