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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
Name two functions of an OSResource manager and User interface
Why do processes have separate address spacesSo they are unable to address each others memory for reading or writing
What is the text segment of the process address space used for?The text segment holds program instructions in the machine language.
Which transfer layer protocol is better for VOIPUDP
Give 3 reasons why you would use UDP over TCP for VOIPLow latency, Don't need to check for lost packets, Quick connection
What does an address space contain?System code and data as well as user code and data.
What is the difference between a program and a process?A process is a program in execution
What is mutual exclusion?A program that prevents simultaneous access to shared resource
What is the critical region?Where process accesses shared data
What is a race condition?When a device or system attempts to perform two or more operations at the same time