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MMLU / In the NoNicks operating system, the time required by a single file-read…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

In the NoNicks operating system, the time required by a single file-read operation has four nonoverlapping components:
disk seek time-25 msec
disk latency time-8 msec
disk transfer time- 1 msec per 1,000 bytes
operating system overhead-1 msec per 1,000 bytes + 10 msec
In version 1 of the system, the file read retrieved blocks of 1,000 bytes. In version 2, the file read (along with the underlying layout on disk) was modified to retrieve blocks of 4,000 bytes. The ratio of-the time required to read a large file under version 2 to the time required to read the same large file under version 1 is approximately

choices

  1. 1:4
  2. 1:3.5
  3. 1:1
  4. 1.1:1

subject

college_computer_science

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Source and history

task_id
c3c21cc8-d81b-5f83-86bd-782bd2983bfc
task_key
all--test--c3c21cc8-d81b-5f83-86bd-782bd2983bfc
task_revision_id
1
config / split
all / test

Official source

initial import