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Define throughput?
Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for short transactions, throughput may be 10 processes / second.
what is difference between file descriptor and file pointer?
Q. Consider a calculating environment where a process is given the privilege of accessing object only n times. Suggest a scheme for implementing this policy. Answer: Add an i
Hierarchical paging Single way is to use a two-level paging algorithm, in which the page table itself is also paged. A logical address is separated into a page number and a pag
a summary of what operating system do
diffenciet between least recently used and not recently used
What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
Explain the Network protocols There are a wide variety of network protocols to choose from traditionally client - server developers were required to choose a communications pro
EXPLAIN THE SCAN SHUDDULING WITH DIAGRAM
QUICK FIT ALGORITHAMS Here we keep apart lists for holes and processes. Therefore this reduces the searching time for holes Hole list and Process list. If we organize the li
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