Flashcards
Operating Systems
Cards in this deck (4)
- 1What is an Operating System?> (Set of) programs that manages the operations of the computer for the user
> Bridge between the user and the computer's hardware (since a user cannot directly communicate with hardware) - 2What Functions does an Operating System Perform?> Bridge between the user (through a CLI or GUI)
> Memory management
> Interrupt service routines
> Processor scheduling
> Backing store management
> Management of I/O
> System security (e.g., administrator and root access) - 3Where is the OS Stored?> When computer is off: permanent storage, e.g., HDD, SSD
> When computer is on: RAM - 4What happens to the OS when the Computer is Switched On?> Small program, called a loader, is held in ROM
> The loader sends instructions to load the OS by copying it from the permanent storage into RAM
Information
- Description
- A level Computer Science (Software & Software Development) Flashcards on Operating Systems, created by Malachy Moran-Tun on 01/11/2022.
- Created by
- Malachy Moran-Tun · Nov 2022
- Updated
- Jan 3, 2023
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- 9
- Rating