COMPUTER SCIENCE AND ENGINEERING
OPERATING SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which two of the followings are considered as types of System Calls?
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Information maintenance
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File-system manipulation
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Protection and security
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Process control
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Explanation:
Detailed explanation-1: -Process control: end, abort, create, terminate, allocate and free memory. File management: create, open, close, delete, read file etc.
Detailed explanation-2: -Answer: bios is not a type of system call.
Detailed explanation-3: -System call is the interface through which the process communicates with the system call. Computer system operates in two modes: User Mode and Kernel Mode. Process executes in user mode, and when a system call is made, the mode is switched to kernel mode.
There is 1 question to complete.