Operating Systems 173323 (3 cu)

Exercise 1

1. List at least three main purposes of an operating system.

2. Define the essential properties of the following types of operating systems:
   • Batch
   • Interactive
   • Time sharing
   • Real time

3. Define the essential properties of the following types of operating systems:
   • Network
   • Parallel
   • Distributed
   • Clustered
   • Handheld

4. What kind of security problems can be in a computer system, where several users can share the system simultaneously ?

5. What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment ?

6. Find out what operating system cs.joensuu.fi is using.