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

Flashcard
•
Computers
•
11th Grade - University
•
Hard
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8 questions
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1.
FLASHCARD QUESTION
Front
The role of scheduling is...
Back
To make sure that all tasks get time on the processor and respond in a reasonable time
2.
FLASHCARD QUESTION
Front
An OS which you would use in day-to-day life on a normal school computer is a...
Back
Multi-Tasking
3.
FLASHCARD QUESTION
Front
For a very large and complex system which needs multiple processors, you would use a _______________ OS:
Back
Distributed
4.
FLASHCARD QUESTION
Front
For a system which needs a guaranteed response rate, you would use a _______________ OS:
Back
Real Time
5.
FLASHCARD QUESTION
Front
For a simple system with very limited processing power, you would use a _______________ OS:
Back
Embedded
6.
FLASHCARD QUESTION
Front
To share one processor's power between multiple people, you would use a _______________ OS:
Back
Multi-User
7.
FLASHCARD QUESTION
Front
Device drivers...
Back
allow peripherals to communicate with the OS
8.
FLASHCARD QUESTION
Front
A virtual machine...
Back
allows software to act as hardware, running code or an operating system within another OS.
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