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Q. Why do several systems store the operating system in firm ware and others on disk?
Answer: For certain devices such like handheld PDAs and cellular telephones a disk with a file system may be not being available for the device. In these circumstances the operating system must be stored in firmware.
What is segmentation? In a segmented memory management scheme a programmer views a program to be collection of program components called as segments. Every segment is a logical
LRU page replacement In slightest recently used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an
What is macro expansion
Q. Advantages and disadvantages of multiprogramming? Advantages 1. High CPU utilization. 2. It appears that many programs are allotted CPU almost concurrently. D
Explain the steps in deadlock recovery. a) Exterminate off all processes involved - drastic. b) Exterminate off one at a time till deadlock gone - select a victim.
address binding at load time
When a computer is started on, the program that executed first is named the ''operating system.'' It controls pretty much all applications in the computer. This adds who logs in, h
Problem: (a) Modern operating systems are interrupt driven. If there are no processes to execute, no I/O devices to service, and no users to whom to respond, an operating syste
Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be. a. Explain the protection problems that could arise. b.
What is ERD? Entity Relationship Diagram is the graphical representation of the object relationship pair. It is mostly used in database applications.
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