Question 8: A certain high-performance computing system uses the windows size of A for its working set model. The administrator is contemplating two options for upgrading the system: A. buy a faster CPU B. buy a faster paging device (disk) What is going to happen to A after the upgrades? neither upgrade is going to affect A A is going to increase after A and decrease after B A is going to decrease after A and increase after B a. b. C. d. e. A is going to decrease after either upgrade A is going to increase after either upgrade

Q: 1. Suppose we have 10 apps each of 800K size and also RAM = 512K and OS is of size 20K. (a) Can two…

A: Dear Student, The OS uses 20K of the RAM , remaining available RAM = 512K-20K = 492K As 492K <…

Q: "cooperative multitasking," in which each application was expected to cede CPU control at regular…

A: A type of multitasking in which the process currently controlling the CPU must give control to…

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A: After each memory reference, the contents of three page frames must be filled up in a table so that…

Q: For a context switch, the OS stores information of interrupted process. An OS designer contemplates,…

A: Answer:-

Q: Let the OS use a three-level memory addressing scheme with a fixed si of 16 MB of the memory block…

A: The page field is 8-bit wide, then the page size is 256 bytes. Using the subdivision above, the…

Q: The copywriter for the Marketing Department works on a Windows 10 PC that often crashes. An error…

A: Overview: There are three options for repairing the files. DISM (Deployment Image Servicing and…

Q: You are told that a given system uses Segmentation. The memory is currently full and holds 3…

A: It is defined as the actual real memory used in RAM. Virtual memory as the name suggests is not…

Q: An application program requires 7.2GBytes memory, compute the number of bus lines required to access…

A: The answer as given below;

Q: Consider an embedded system where the application code makes use of a real time operating system.…

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Q: Consider a scenario in which several processes compete for access to the same resource (e.g., a file…

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Q: Draw the Resource Allocation Graph (RAG) & also determine that there is a deadlock that exists or…

A: Resource Allocation Graph(RAG): Process vertex – Every process will be represented as a process…

Q: How does heuristic detection detect a virus? a. A virtualized environment is created and the code…

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Q: a. wait() system call b. abort system call C. exit system call d. answer does not exist

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A: We need to fill in the contents of the three page frames after each memory reference in a table and…

Q: 1. What is the value of the PC while executing instructions #12 and #18? 2. What is the calculated…

A:

Q: There are three user processes in the OS, and they all use R in equal amounts (two for each). There…

A: Given: There are three user processes in an operating system, and each of these processes utilises…

Q: A system uses proportional allocation (according to process size) when allocating frames to…

A: Proportional allocation: Frames are allocated to each process according to the process size. For a…

Q: Consider a program that performs the following steps repeatedly: Use the CPU for 4 milliseconds. By…

A: The program in question uses CPU, disk, and network resources to iteratively go through a series of…

Q: When a process is removed by the operating system from the CPU, the information on the current…

A: In questions with many questions, we must answer one.

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A: operating system provides the interface between the user and the hardware.

Q: Please let me know if these are true or false! In multiprocessors with a shared physical main…

A: 1)False   In the NUMA digital computer model, the interval varies with the placement of the memory…

Q: Which scheduling strategy is most suitable for a time sharing operating system? A Shortest Job First…

A: In Time shared Operating system, the scheduler must share time available with all the processes

Q: Computer Science I'm working on project about building an operating system simulator and in the…

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Q: ent monitor consuming 10,000 of that. When control is to be assigned to an interactive user, the…

A: Primitive time sharing operating system uses multi programming mechanism and also CPU scheduling to…

Q: Assume a primitive time-sharing operating system is running on a computer with 50,000 32-bit words…

A: Primitive time sharing operating system uses multi programming mechanism and also CPU scheduling to…

Q: Consider there are five (5) memory partitions in computer. The memory blocks are of sizes 180 MB,…

A: Alogrithm which makes the best use of the memory is best fit.

Q: Suppose the OS on your computer uses the Buddy system for memory management. Initially the system…

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Q: The NX (“no execute”) bit can also be supported by modern CPUs. To force a CPU to avoid running the…

A: Please see the next step for answer.

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Q: Consider two processes, P1 and P2, and two resources namely the printer and the memory. However,…

A: To Do: To analyze the situation.

Fundamentals of memory

A collection of connected storage devices form the memory unit. It is a space to store data and instructions required for processing. Information is stored in a memory unit in the form of bits. There are two types of memory namely: