OCR A Level Computer Science (H446) - Component 1.2.1 - Systems Software

Front

The role of scheduling is...

Back

To make sure that all tasks get time on the processor and respond in a reasonable time

Front

An OS which you would use in day-to-day life on a normal school computer is a...

Back

Multi-Tasking

Front

For a very large and complex system which needs multiple processors, you would use a _______________ OS:

Back

Distributed

Front

For a system which needs a guaranteed response rate, you would use a _______________ OS:

Back

Real Time

Front

For a simple system with very limited processing power, you would use a _______________ OS:

Back

Embedded

Front

To share one processor's power between multiple people, you would use a _______________ OS:

Back

Multi-User

Front

Device drivers...

Back

allow peripherals to communicate with the OS

Front

A virtual machine...

Back

allows software to act as hardware, running code or an operating system within another OS.