AQA A2 Computing 4.1 Role of an Operating System Flashcards Preview

AQA A2 Computing > AQA A2 Computing 4.1 Role of an Operating System > Flashcards

Flashcards in AQA A2 Computing 4.1 Role of an Operating System Deck (4)
Loading flashcards...
1
Q

System program

A

a program that manages the operation of a computer

2
Q

Operating systems

A

the most fundamental of all system programs

3
Q

Virtual machine

A

the apparent machine that the operating system presents to the user, achieved by hiding the complexities of the hardware behind layers of operating system software

4
Q

Application programming interface

A

a layer of software that allows application programs to call on the services of the operating system