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What is sector sparing?
Low-level formatting also sets aside extra sectors not visible to the operating system. The controller can be told to change each bad sector logically with one of the spare sectors. This scheme is called as sector sparing or forwarding.
What is Data Warehouse?
List the four steps that are essential to run a program on a completely dedicated machine. a. Reserve machine time. b. Manually load program into memory. c. Load starting
(a) Describe services of operating systems. (b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
Describe swapping technique in UNIX systems. Swapping is used to control memory contention among processes. If there is excessively much memory contention, processes are swappe
a summary of what operating system do
VARIABLE PARTITIONING We can differ the partitions and change the location according to the size of the process. 50k 40k
What is the main advantage of the layered approach to system design? As in all cases of modular design, designing an operating system in a modular way has several benefits. Th
Why is rotational latency usually not considered in disk scheduling? How would you modify SSTF, SCAN, and C-SCAN to include latency optimization? Most disks do not export their
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
Question: (a) Modern processors operate in one of two modes: one for the operating system and one for applications. What is the purpose of having these two modes? What are
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