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What is the purpose of system programs?
System programs can be thought of as bundles of useful system calls. They give basic functionality to users and so users do not require writing their own programs to solve common problems.
Q. The accelerating search for described in subsequent exercise is typical of hard-disk drives. By contrast floppy disks and several hard disks manufactured before the mid-1980s t
Second-Chance algorithm When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page. If the reference bit is set to 1, thoug
why we say " OS is a resource allocator" and “OS is a control program"?
Unisex Restroom Problem
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
What is a Relocatable program? The Relocatable programs can be loaded almost anywhere in memory.
Determine the task of the Pass II In a two-pass assembler Synthesize the target program is the task of the Pass II
What are the disadvantages of linked allocation? The drawbacks are a. Used only for sequential access of files. b. Direct access is not supported c. Memory space neede
How does an operating system make multiprogramming possible by using single processor?
Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
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