When software makes an I/O request, what exactly does the CPU do? How does the IO device notify the CPU that the IO operation has finished?

Q: What happens to the CPU when a software requests input/output (I/O)? How is it communicated to the…

A: Answer:

Q: There has to be a thorough explanation of the I/O mechanism. Recognize the differences in how…

A: Given that: the issue is subsystem specifics. I/O devices provide interaction with computer…

Q: When it comes to the CPU, what are the BIOS/UEFI settings that are relevant, and how is the…

A: UEFI defines a new means of communication between operating systems and platform firmware, giving a…

Q: No one knows how many times the ALU accesses main memory during a single fetch/execute cycle.

A: Access to Main Memory During the Instruction Execution Cycle: The main memory or physical memory is…

Q: Transient O/S code is loaded at system boot. True False

A: In the intricate world of operating systems, the kernel stands as the sentinel of system…

Q: No one knows how many times the ALU accesses main memory during a single fetch/execute cycle.

A: The answer of the question is given below

Q: What happens to the CPU when a software requests input/output (I/O)? How is it communicated to the…

A: I/O Request: I/O requests for parcels are structures used in kernel mode for communication between…

Q: The layer of I/O software 'closest' to the hardware is the Interrupt handler User level Device…

A: The incorrect answers are: Interrupt handlerInterrupt handlers are low-level routines that respond…

Q: The percentage of time that the ALU really accesses main memory during the fetch/execute cycle is a…

A: During an instruction execution cycle, the main memory is accessed: The main memory or physical…

Q: A program has 40% arithmetic instructions. If it is migrated to a new system that runs 2 times…

A: Given data:- Proportion of execution time(p) :- 40%= 0.4 Improved speed up(s) :-2 times faster Now,…

Q: What kind of an impact does the way of managing interrupts have on the speed of the machine?

A: The correct answer for the above mentioned question is given in the following steps for your…

Q: How frequently the ALU really makes it to main memory is one of the mysteries surrounding the…

A: The processor controller, main memory (also known as random access memory or RAM in a personal…