External fragmentation exists when? the total memory is insufficient to satisfy a request a. Oba request cannot be satisfied even when the total memory is free OC. Oc. none of the mentioned od enough total memory exists to satisfy a request but it is not contiguous

Q: mgsters hold the most active pagr entres and able take I80 s, what must the hit ratio be t ive ry If…

A: The hit ratio to be achieve an effective access time of 125ns is

Q: As the message is involved in the fragmentation process, the result is chunks of smaller sizes. O a.…

A: b. True Fragmentation is the process of dividing the whole message into smaller parts .

Q: Which of the following storage allocation schemes results in the problem of fragmentation?    (a)…

A: Which of the following storage allocation schemes results in the problem of fragmentation?    (a)…

Q: In Fixed Partitioning,  ________  will occur due to smallar page size than partition. External…

A: In Fixed Partitioning, Internal fragmentation will occur due to smaller page size than partition.…

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Q: Assume that following memory block requests have been made in given order: 8 bytes, 2 bytes and 6…

A: A)  In first fit algorithm, the free block which is big enough to accommodate the process will be…

Q: Which of the following cache replacement algorithm that replaces the block in the set that has been…

A: Which of the following cache replacement algorithm that replaces the block in the set that has been…

Q: Multiple question External fragmentation exists when? a. A process has more space than its size b.…

A: External fragmentation exists when there is Enough total memory exists to satisfy a request but it…

Q: Computer Science The following kernel code to help handle a page fault caused by a process using a…

A: a. What bug in the kernel code is causing this panic? b. How should you fix it.

Q: The following figure depiets an i-node: File attributes Address of block 0 Address of block 1…

A: Number of direct addresses = 8size of file = (8*1024 + 128*1024*1024) KB = 131080MBytes.

Q: Which of the following cache replacement algorithm that replaces the block in the set that has…

A: Answer is option c LFU  referred as least recently used

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A: I have Provided this answer with full description in step-2.

Q: rocesses are requesting to occupy the mentioned amounts of Memory, ndicate if a deadlock might…

A: If resources have single instance:              In this case for Deadlock detection we can run an…

Q: Which of the following cache replacement algorithm that replaces the block in the set that has been…

A: C) LRU

Q: Implement c/c++ to evaluate round robin algorithm with i/o burst.I want my code to able to read csv.…

A: on the off chance that (rem_bt[i] > 0)             {                 done = bogus;//There is a…

Q: Disk requests are received by a disk drive for cylinders 13 , 6 , 1 , 29 , 28 , 8 in that order and…

A: Given data:- Disk requests are received by a disk drive for cylinders 13 , 6 , 1 , 29 , 28 , 8 in…

Q: The following figure depicts an i-node: File attribates Address of block 0 Address of block 1…

A: 1. First we will use the direct block address. Here using 8 direct block address, we can point to…

Q: Let a program use 5 contiguous words and loop these words 100 times (meaning the execution trace of…

A: For fully associative LRU case the following would be the sequence since there are 4 blocks in the…

Q: Consider a program consists of five segments: S0 = 600, S1 = 14 KB, S2= 100 KB, S3 =580 KB and S4 =…

A: The answer to the first three subparts is given below. Please repost the question with the fourth…

Q: External fragmentation can be addressed using a technique known as___________, which is discussed in…

A: Given External fragmentation can be addressed using a technique known as___________,

Q: Select all that applies. In addressing limitations on how to wait for output using kernel buffers,…

A: Select all that applies. In addressing limitations on how to wait for output using kernel buffers,…

Q: Select all that applies. In addressing limitations on how to wait for output using kernel buffers,…

A: Select all that applies. In addressing limitations on how to wait for output using kernel buffers,…

Q: The redo log buffer and Shared pool are elements of? a) PGA b) Buffer cache c) PGA and Buffer…

A: Question. The redo log buffer and Shared pool are elements of? a) PGA b) Buffer cache c) PGA and…

Q: Which of the following storage allocation schemes results in the problem of fragmentation?

A: Given: Which of the following storage allocation schemes results in the problem of fragmentation?

Q: onsider a system with 20 requests and out of 20, 4 requests are already in cache n /hat will be the…

A: Here in this question we have given  total cache request = 20 Cache hit = 4 Find = hit ratio.

Q: When total memory space exists to satisfy a request (process size) but it is no contiguous, this is…

A: answer : External fragmentation

Q: External fragmentation can be addressed using a technique known as___________, which is discussed in…

A: We know that, total two types of fragmentation: Internal Fragmentation. External Fragmentation.

Q: If multiple processes concurrently want to read/write to file, the quorum-based protocol for…

A: Solution:--…

Q: If multiple processes concurrently want to read/write to file, the quorum-based protocol for…

A: Solution:--   1)The given question has required for the solution which is to be provided to propose…

Q: When there are small and non- contiguous memory blocks which cannot be assigned to any process, the…

A: Answer: External Fragmentation occurs when the segmentation is employed. So segmentation is not the…

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A: Given that 256 Algae. B = 16 1,024- byte direct-mapped data cache

Q: External fragmentation can be completely prevented through:

A: Required: External fragmentation can be completely prevented through

Q: Suppose that a block is 1K Byte and that a disk address is 4 bytes. Suppose that files are…

A: Introduction:Given,block size = 1K Bytedisk address = 4 bytesand using given info of file system we…

Q: QUESTION 5 External fragmentation can be resolved by using a technique, called ___________.

A: The solution of internal fragmentation is best-fit block. Solution of external fragmentation is…

Q: Suppose the head of a moving-head disk with 200 tracks numbered 0 to 199 is currently serving a…

A: Given: Assume the head of a moving-head disc contains 200 tracks numbered 0 to 199, and it is now…

Q: Frame Loaded Last access R M 0           136          320        1   0 1            240         305…

A: Given: Computer system has 4 page frames and the following table: Frame  Loaded   Last access  R…

Q: Exercise 13.1 Suppose you have a file with 10,000 pages and you have three buffer pages. Answer the…

A: According to the Bartelby guideline we are suppose to answer only first 3 sub part of the question .…

Q: With the FIFO page replacement policy, and enough space for storing 3 page frames, the memory page…

A: The correct option is option b. 8 page faults

Q: Q19: What are the examples of stack page replacement algorithms (select all that apply) A. FIFO B.…

A: In Q.19, we have to tell the example of stack page replacement algorithm. Stack is a linear data…

Q: In Demand Paging Allocation Scheme, Page Map Table contains info to determine if the page contents…

A: In Demand paging Allocation scheme  Page Map Table contains info to determine if the page contents…

Q: The following data segment starts at memory address 1700h (hexadecimal) .data printString moreBytes…

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Q: Q : ________ is an attack technique occurs when excess data gets written to a memory block.Required…

A: A buffer is the area of memory storage used to temporarily store data. When the volume of data…

Q: A e sy wih elevel deectory wtrcts is implemted ona dik with disk dock sie of K bytes The disk is…

A: The answer is here

Q: . What is the full form of LRU (in buffer replacement strategy)? a. Least Reactive User b. Least…

A: Given that 143.What is the full form of LRU (in buffer replacement strategy)? a.Least Reactive User…

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A: Since, the sample output is not mentioned in the question we have provided the output in the most…

Q: With the LRU page replacement policy, and enough space for storing 3 page frames, the memory page…

A: Given String : A,B,C,A,B,D,D,C,A,B,C,D Number of Frames : 3

Q: The OS keeps track of if a partition is free or filled using bitmap data structure.  How is the…

A: GIVEN: The OS keeps track of if a partition is free or filled using bitmap data structure.  How is…

Q: What is the tmiss time for the following set up: Block size = 32, time for address = 20 cycles, time…

A: If an block is not in the memory the block will be accessed , here tmiss is nothing but the time…

Q: Which of the following mapping technique allows main memory block to be mapped to any cache line?…

A: This question is about cache mapping. There is only one correct option out of four.

Q: The monitor below is an attempt to implement the SSFT algorithm. monitor disk_scheduler { condition…

A: Shortest seek time first (SSTF) algorithm selects the disk I/O request which requires the least disk…