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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.
The term IPC (Inter-Process Communication) defines several paths by which different process executing on some operating system interact between each other.
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
Parent and Child process communicate in unix A child and parent can interact through any of the normal inter-process communication schemes (pipes, message queues, sockets, s
Q. Consider the subsequent page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1, 2, 3, 6. How many page faults would take place for the following replace
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
write a linux command to display lines from 25 - 45 of directory "/edc/password" write a linux command to display directory in /edc
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Define the “Throughput” of a system Throughput is Number of programs processed by it per unit time
Compare between the one and two-dimensional memory organizations in terms of the memory structure, advantages, and disadvantages. Which approach would better support the needs o
Question: a) The following refers to optimization under Windows XP: i) Give five steps which could undertake to enhance overall system performance in a default Windows XP in
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