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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.
Explain the basic concepts of segmentation. Segmentation definition User view of program Hardware used with diagram-segment table, base, limit & offset Protection and
Basic concepts When a process is to be changed in, the pager guesses which pages will be used before the process is changed out again. Instead of swapping in a entire process,
List three ways of allocating storage, and give advantages of each. a. Contiguous allocation. Fastest, if no changes are to be made. Also simplest for random access files. b
TURNAROUND TIME
Explain the Spawnvp Function used in the netware Spawnvp(flags, execNmae, argv) This function executes similarly to spawnlp( ) except that parameters are passed as a v
Q. Several CPU-scheduling algorithms are parameterized for instance the RR algorithm requires a parameter to indicate the time slice. Multilevel response queues require parameters
Define Latency plus seek time The total time to arrange a disk drive mechanism for a block of data to be read from is its Latency plus seeks time
Page Fault Handling conditions like, where the copy on write bit of a page is set and that page is send by more than one process, the Kernel assign new page and copies the conten
WHAT IS OPERATING SYSTEM ?ENLIST AND EXPLAIN BASIC SERVICES PROVIDE BY OS
MEMORY MANAGEMENT USING LINK LISTS The first one is for showing it is process or hole, second is for starting address and third is for length of the process and last is a point
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