Systems Software (OCR A Level Computer Science)

Exam Questions

7 mins3 questions
12 marks

Anika’s computer runs a multi-tasking operating system. She has access to a printer and a broadband internet connection through a wireless connection. The operating system uses scheduling algorithms such as first come first served and round-robin.

Explain why the computer’s operating system uses a first come first served algorithm when sending documents to the printer.

Did this page help you?

23 marks

Explain why the computer’s operating system uses a round-robin algorithm for allocating processor time.

Did this page help you?

32 marks

Describe one other scheduling algorithm.

Did this page help you?