FUNDAMENTALS OF COMPUTER

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OPERATING SYSTEMS FOR COMPUTERS

COMPUTER OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
one major advantage of ____ is that memory can be shared between processes, especially when combined with library software. Ifa block of code used by two processes is needed, it can be loaded into a section. When the process needs to access the code within the section, all it needs is the ____ ID and the offset
A
segmentation:segment
B
paging:page
C
allocationg:allocation
D
None of the above
Explanation: 

Detailed explanation-1: -Virtual memory frees up RAM by swapping data that has not been used recently over to a storage device, such as a hard drive or solid-state drive (SSD). Virtual memory is important for improving system performance, multitasking and using large programs.

Detailed explanation-2: -multiprocessing, in computing, a mode of operation in which two or more processors in a computer simultaneously process two or more different portions of the same program (set of instructions).

Detailed explanation-3: -This is usually implemented using a base register and a limit register for each process, as shown in Figures 8.1 and 8.2 below. Every memory access made by a user process is checked against these two registers, and if a memory access is attempted outside the valid range, then a fatal error is generated.

Detailed explanation-4: -The correct answer is a Cooperative multitasking operating system. Key Points. Cooperative multitasking operating system: It is a style of computer multitasking in which the operating system never initiates a context switch from a running process to another process. It is also known as non-preemptive multitasking.

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