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Operating Systems
1. Explain single Partition Allocation and Multiple Partition Allocation.
2. What do you mean by PCB? What useful information is available in PCB?
3. Describe Preemptive and Non-preemptive scheduling approaches.
4. Clarify process state with diagram.
5. Elaborate all the four functions of network operating system.
6. Elucidate any five types of attacks on security.
What do you understand by “line balancing”? What happens if balance doesn’t exist?
Q. What are the three main activities of an operating system in regard to secondary-storage management? Answer: 1) Free-space management 2) Storage allocation 3) Disk
Direct communication With direct communication each process that requires to communicate must explicitly name the recipient or sender of the communication. The send and receive
Compare 2 different operating systems.
Process termination A process terminates when it finishes implementing its final statement and asks the operating system to delete it by using the exit system call. At that tim
Q. Palm OS provides no signifies of concurrent processing. Discuss three major complications that concurrent processing adds to an operating system. Answer: a. A meth
Q. Describe the purpose of the open() and close() operations. Answer: The open() operation notifies the system that the named file is about to become active. The c
What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access
An operating system provides the environment within that programs are executed. Internally operating systems differ greatly in their makeup because they are organized along many di
1. The City of Boston needs to be about 2 acres of green space per 1,000 persons. You have been hired as the GIS expert by an independent consulting company to determine where the
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