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Define the “Throughput” of a system
Throughput is Number of programs processed by it per unit time
VARIABLE PARTITIONING We can differ the partitions and change the location according to the size of the process. 50k 40k
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,
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
What are Tree-structured directories We can generalize the directory structure to a tree of arbitrary height. This permits the user to create their own sub directories and to c
Question: (a) What are the main challenges for Mobile Computing? (b) What is the ISM band and what is particular about this frequency band? Name two wireless technologies
EXPLAIN MULTITASKING IN DETAIL
Define thread cancellation & target thread. The thread cancellation is the task of terminating a thread before it has completed. A thread that is to be cancelled is often refer
Q. Define Input - Output operations? Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and
Question 1 Discuss the following with respect to Operating Systems: Operating System Components Operating System Services Question 2 Describe the theory behind Pagin
What is single and multithreading and thread pool?
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