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What is a system call?
A system call is a request made through any program to the operating system for performing tasks, picked by a predefined set, that the said program doesn't have needed permissions to execute into its individual flow of execution. System calls give the interface between the operating system and a process. Most operations interacting along with the system need permissions not available to a user level process, for example: input and output performed with a device present in the system or any form of communication along with other processes needs the use of system calls.
Disadvantage and Advantage of mutual-exclusion implementation with semaphores. Disadvantage: Mutual-exclusion solutions specified by semaphores require busy waiting. Tha
COMMUNICATIONS TECHNOLOGY: The development of communications technology is, in a sense, a symbol of man's effort to communicate rapidly over great distances. Communications te
Is there a way to apply the same formatting to every sheet in a workbook in Excel? Ans) Yes. To do this, you will require to right click on one of the worksheet tabs and th
Differentiate between non-relocatable and relocatable programs. A non-relocatable program is one which cannot be executed in any memory area other than the area starting at i
Time synchronization is necessary in? Time synchronization is essential in TDM.
What are the Steps include constructing a Functional Model Recognize input and output values Build data flow diagrams which shows functional dependencies Explain
What is arithmetic pipeline? Pipeline arithmetic units are usually found in very high speed computers. They are used to execute floating point operations, multiplication of fi
raster scan display system
examples of virtual memory
RAM: Read / Write memory, High Speed, Volatile Memory. ROM: Read only memory, Low Speed, Non Voliate Memory. RAM- Random Access memory it is a Volatile Memory. volatil
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