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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.
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
Resolution of externally defined symbols is carried out by Resolution of externally defined symbols is carried out by Linker
Explain in detail about ipc in linux
Write a short note on file organization and access. There are three methods to access files 1Record Access 2Sequential Access 3Random Access The record access
LRU page replacement In least lately used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an opti
Q. Presume that we agree that 1 kilobyte is 1,024 bytes 1 megabyte is 1,0242 bytes and 1 gigabyte is 1,0243 bytes. This progression carries on through terabytes, petabytes, and ex
Can a direct access file be read sequentially? Explain. Yes. Keep a counter, cp, initially set to 0. After reading record cp, increment cp.
Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates
In modern operating systems, applications do not directly access the physical memory. Instead, they use so-called virtual memory, where each virtual address is translated to a phys
When programming with threads, there are three very common mistakes that programmers often make: 1. locking twice (depending on the system and type of lock, can cause crashes, h
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