Flashcards
Operating Systems
Flashcards do conjunto (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
Informações
- Descrição
- A level Computer Science (Software & Software Development) FlashCards sobre Operating Systems, criado por Malachy Moran-Tun em 01-11-2022.
- Criado por
- Malachy Moran-Tun · nov 2022
- Atualizado
- 3 jan 2023
- Visualizações
- 9
- Avaliação