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The hardware to support demand paging is as follows
Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protection bit.
Secondary memory: This memory holds those pages that are not there in main memory. It is a high-speed disk. It is called as swap device, and the section of disk used for this purpose is called as swap space.
Fault tolerance : Machine failures, Communication faults, storage device crashes, and decays of storage media must be tolerated by the system to some extent. A fault tolerant sy
What is the Translation Lookaside Buffer (TLB) In a cached system, the base addresses of the last few referenced pages is maintained in registers known as the TLB that aids in
List five services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it would be impossible for user-level programs t
what is system performence?
Define the Server Communications Module or SCM The Server Communications Module (SCM) performs many necessary functions. The SCM responsible for establishing, maintaining, and
How Memory utilization factor shall be computed Memory utilization factor shall be defined as Memory in use/total memory connected
Q. Benefits and Drawbacks of Batch System? Benefits of Batch System: Move much of the work of operator to computer. Increased performance as it was possible for j
what is inter process communication..
What is Multitasking? Multitasking provides power to users by offering them to run multiple applications at once. The applications are loaded into memory and appear to the user
Q. List the four steps that are essential to run a program on a completely dedicated machine. Answer: a) Reserve machine time b) Manually load program into memory c)
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