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What are the main differences between operating systems for mainframe computers and personal computers?
The design goals of operating systems for those machines are quite different. PCs are inexpensive, so wasted resources like CPU cycles are inconsequential. Resources are wasted to improve usability and enhance software user interface functionality. Mainframes are the opposite, so resource use is maximized, at the expensive of ease of use.
Contiguous allocation: Every file will be allocated contiguous space in the memory. Allow the block size be 1K If a 50K files desires to be allocated space after t
What are the advantages of Contiguous allocation? The advantages are a. Supports direct access b. Supports sequential access c. Number of disk seeks is minimal.
What are the various scheduling criteria for CPU scheduling? The various scheduling criteria are CPU utilization
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i
List sample file types, based on use, on the VAX under VMS. source programs (.BAS, .FOR, .COB, .PLI, .PAS, .MAR) data files (.DAT) text files (.TXT) command proced
Q. Give an instance of an application in which data in a file should be accessed in the following order: a. Sequentially b. Randomly Answer: a. Print the content of
Q. Data transfer between two processes? Communication: Data transfer between two processes is essential for some time. Both processes are on the one computer or on different
What are the different ways in which a thread can be cancelled? Cancellation of a target thread may happen in two different scenarios: Asynchronous cancellation: One thr
Explain Structure The Grammar for programming language is a formal description of Structure
I need help implementing malloc
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