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List the task regions in the Spiral model.
Customer communication - In this region it is suggested to set up customer communication.
Planning - All planning activities are carried out in order to explain resources timeline and other project related activities.
Risk analysis - The tasks needed to calculate technical and management risks.
Engineering - In this the task region, tasks needed to build one or more representations of applications are carried out.
Construct and release - All the essential tasks required to construct, test, install the applications are conducted.
Customer evaluation - Customer's feedback is attained and based on the customer evaluation required tasks are performed and executed at installation stage
Multitasking - An Operating systems that is proficient of allowing multiple software processes to be run at the same time. Below are some instances of multitasking Operating Syste
Explain how protection is provided for the hardware resources by the operating system. Dual mode operation Sharing system resources needs operating system to make sure
what is the meaning of co-operating process?
Concept of Reentrancy It is a useful, memory-saving method for multiprogrammed timesharing machines. A Reentrant method is one in which multiple clients can share a singl
what are the design issues of network OS
Describe the file system architecture. File System Architecture contains the subsequent components:- Device Driver 1 Device Driver 2 Device Driver 3 Basic fi
List disadvantages of using a single directory. Users have no privacy. Users must be careful in choosing file names, to avoid names used by others. Users may destroy each othe
SSTF (Shortest Seek Time First) After a demand go to the closest request in the work queue regardless of direction Decrease total seek time compared to FCFS Disadv
What are the five major activities of an operating system in regard to file management? The creation and deletion of files The creation and deletion of directories The s
wat are the commands used for creating the file hierarchy
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