For the table shown below Job No. Arrival Time Run time Memory 12 2K 2 3K 4 4K 4 18 1K What is average turnaround time if you use OS with multi-programming and no 1/0 overlapped and total memory SK? Select one: T-26.25 T=24.5 T=13.256 T-23.5

Q: For the table shown below Job No. Arrival Time Run time 1 2 2 4 4 1 4 What is average turnaround…

A:

Q: For the table shown below Job No. Arrival Time Run time 1 2 2 3 1 4 What is average turnaround time.…

A: Given table contains 4 jobs with their arrival times and run times. The FCFS Gantt chart for the…

Q: For the table shown below Job No. Arrival Time Run time 1 3 2 2 2 3 4 1 What is average turnaround…

A: Answer: I have given answered in the handwritten format in details explained

Q: Run time Arrival Time .Job No 12 1 4 18 4 What is average turnaround time if you use ?OS with…

A: The correct answer of the given options is T = 26.025

Q: For the table shown below Job No. Arrival Time Run time 2. 2.5 3. 1.25 4. 6. 1.5 What is average…

A: Scheduling of processes / work is done to finish the work on time . Various Times related to the…

Q: Memory management can be either static or dynamic. Give one example of advantages and one…

A: Solution It must first be put in the memory to get a process running. The memory allocation is…

Q: Using the buddy system, if a request for 200 KB of kernel memory is made, how much is actually…

A: Given:

Q: You have been asked to recommend an operating system that reads and writes I/O devices with precise…

A: EXPLANATION: The macOS is defined as the current operating system for MAC and this was developed in…

Q: Leo, an engineer at a construction firm, installs Windows 10 Home on a new laptop. He wants to…

A: Leo, an engineer at a construction firm, installs Windows 10 Home on a new laptop. He wants to…

Q: eged Mode execution mean in an OS? (AKA supervisor mode) (short answer is ok)

A: A Dual Mode Operation is required in any Operating System to ensure the protection and security of…

Q: Which of the following does NOT support 8086 Microprocessor two modes of operation? (Select all…

A: Lets see the solution.

Q: An OS service can be request by a user program via? Select one: a.Hardware interrupt b.System call…

A: Q1. b. System call A system call is a method through which a computer programme asks a service from…

Q: Let's say that most of your daytime processes spend 70% of their time running in the CPU and 30%…

A: Speedup is a quantitative metrics which is used to measure the speed or how faster a processor is…

Q: What is the purpose of the following assembly line? LDI R16, 1 STS TIMSK1, R16 Select one: O a.…

A: GIVEN:- LDI R16, 1 STS TIMSK1, R16

Q: An OS designer wants to have a paged memory management system with no more than a 10% increase in…

A: OS: OS stands for Operating System. It is a collection of programs that coordinates the operations…

Q: Occasionally a user might be shown a message that says the virtual memory is running low, this means…

A: Introduction:

Q: A company is using Windows 7 and Windows XP as its operating systems and it has about 5000 computers…

A: They should all upgrade to Windows 10 for all of their systems. below are the minimum system…

Q: One milestone that improved the OS is. All answers are correct O a. O b. Multiprogramming Multicore…

A: Lets see the solution.

Q: er, multiuser and restart). Before startir d runlevel (8).

A: Q.

Q: If you know a memory with a size of 1024 GB, allocate it using the buddy system: i. 512 MB…

A: The buddy system is a memory allocation and management algorithm that manages memory in power of two…

Q: If you know a memory with a size of 1024 GB, allocate it using the buddy system: i. 512 MB…

A: Buddy system is a allocation algorithm in which a larger memory block is divided into small parts to…

Q: 5) Difference between Scaling up and Scaling out is A) To scale up one adds more resources (example…

A: Ans : Difference between scaling up and scaling out is :  a) To scale up one adds more resources to…

Q: 17- Which of the following is False? a) Memory access time should be short. b) Memory access time is…

A: For the given question 17: answer option is c : the memory access time is always equal to the memory…

Q: Describe the difference between Type 1 and Type 2 Hypervisor. Are these Type 1 or Type 2…

A: Given : Describe the difference between Type 1 and Type 2 Hypervisor. Are these Type 1 or Type 2…

Q: For the table shown below Job No. Arrival Time Run time 1 4 2 7 1 4 14 What is average weight time…

A:

Q: For the table shown below Job No. Arrival Time Run time 1 3 2 2 4 3 1 4 3 What is average weight…

A: Here, we have given average wait time with first in first out algorithm

Q: Suppose the daytime processing load consists of 60% CPU activity and 40% disk activity. Your…

A: Option choose: If one does not care about the money, then, one would go for the upgrade of disk…

Q: Expansion of DWM in OS is_____________.

A: This question requires expansion of dwm.

Q: Suppose your company has decided that it needs to make certain busy servers 50% faster. Processes in…

A: Given: Workload on the processor be 60% (0.6) Objective: We need to compute the increased rate of…

Q: You have been consulting and a company has asked for your guidance. They know that they need to have…

A: Answer:  ISCSI:- Internet Small Computer System Interface(ISCSI)   Some Uses of Internet Small…

Q: Suppose your company has decided that it needs to make certain busy servers 30% faster. Processes in…

A: According to Amdhal’s Law, the overall speed of a computer is defined by the following formula:…

Q: Suppose your company has decided that it needs to make certain busy servers 30% faster. Processes in…

A: According to Amdhal’s Law, the overall speed of a computer is defined by the following formula:…

Q: Q9. What is the Turnaround average wait time when using Preemptive SRTF Process Burst Arrival…

A: Preemptive SRTF: It is a scheduling algorithm that says the shortest burst time process will execute…

Q: System A has two processors, Program X takes 10 seconds to execute on one of the processors. Program…

A: Throughput - It is the amount of information that a system can process within the specified…

Q: f I am running 100 applications on my computer with a 2-level page table, how much memory do I have…

A: The option is 4

Q: ppose the main memory has 32 frames and memory size is 512 bytes. Now a process P of 192 bytes needs…

A: We are given 32 frames and size of memory is given as 512 bytes. And a process P with size 192…

Q: True or False: With increased availability of RAM (main memory) modern OSs do not share memory or…

A: Defined the given statement true or false

Q: 1. Which of the following is the fastest approach for large amount of data 1/O? a. Polling direct…

A: Option d: Memory-mapped I/O is suitable for devices which move quantities of data quickly. Option…

Q: What is a memory hole? How does it occur and how OS handles this?

A: One method of allocating contiguous memory is to divide all available memory into equal sized…

Q: Suppose your company has decided that it needs to make certain busy servers 30% faster. Processes in…

A: Given data:  Increase required in speed of the servers is 30 %. Work load spend by the processor by…

Q: Suppose the daytime processing load consists of 60% CPU activity and 40% disk activity. Your…

A: The fraction of work will be: CPU- 60% Disk- 40% CPU performance calculation: 1/((1-f)+(f/k))…

Q: Consider a system with 13 dedicated devices of the same type and all jobs currently running on this…

A:

Q: Consider a system with 13 dedicated devices of the same type and all jobs currently running on this…

A: Consider a system with 13 dedicated devices of the same type and all jobs currentlyrunning on this…

Q: Each processor in a distributed system has its own O a) local memory O b) clock O c) both local…

A: 1) In distributed system, each processes has it own CPU, memory and clock. 2) They are independed…

Q: 360. A process is busy swapping pages in and out. a. Thrashing b. Compaction c. External…

A: Given: 360. A process is busy swapping pages in and out. a. Thrashing b. Compaction c.…

Q: True or false? Linux uses a standard demand pagingvirtual memory manager.

A: Memory manager: The memory manager in the Linux operating system is responsible for managing the…

Q: Why does the CP/M OS reside in high memory instead of low memory?

A: Operating System CP/M: + CP/M stands for Control Program/Monitor in its original form. + CP/M is an…

Q: Operating System If you know a memory with a size of 1024 GB, allocate it using the buddy system:…

A: Buddy system is the memory allocation operating system procedure that allocates the memory to the…

Q: a. What is the maximum number of jobs that can be active at once? b. What are the minimum and…

A: Lets divide the job execution into 3 phases, Phase 1 : Initial phase of job where only 3 devices are…

Q: How many unique OS states can a process be in?

A: « A process is an executing programme or series of guidelines. » It goes through various states at…