Operating system Flashcards
1
Q
Input and output devices
A
OS
acts as a go between
input -> application software
application software -> output
Manages device drivers - tell OS how to communicate with I/O devices
2
Q
Applications
A
OS
Communicates between application software and hardware
Processes requests from app software for resources e.g. network connection / remotely stored file
3
Q
Security
A
OS can
manage multiple users accounts - keep users data separate
Automatically backup data - increases security
Handle usernames and password
Handle access rights - recognise admin who has greater access rights