Determine the order in which optimized c-scan would service, Computer Engineering

Assignment Help:

Consider the situation in which the disk read/write head is currently located at track 45 (of tracks 0-255) and moving in the positive direction. Assume that the following track requests have been made in this order: 40, 67, 11, 240, and 87. What is the order in which optimized C-SCAN would service these requests and what is the total seek distance? Ans:

Disk queue: 40, 67, 11, 240, 87 and disk are presently located on track 45.The order wherein optimized C-SCAN would service such requests is demonstrated by the following diagram.

1514_Disk queue.png

Total seek distance = (67-45)+(87-67)+(240-87)+(255-240)+255+(11-0)+(40-11)

=22+20+153+15+255+11+29

=505


Related Discussions:- Determine the order in which optimized c-scan would service

Define security protocols used for e-commerce applications, Define various ...

Define various security protocols used for e-commerce applications. The e-commerce systems of today are composed of very many components as like: a commerce server, client soft

Explain about instruction cycle, Q. Explain about Instruction Cycle? Th...

Q. Explain about Instruction Cycle? The instruction cycle for this provided machine comprises four cycles. Presume a 2-bit instruction cycle code (ICC). The ICC can represent t

Appropriate name for the superclass, Suppose that your team is then asked t...

Suppose that your team is then asked to expand the system. The publisher now wishes to make other computer science publications. As a team member, you are asked to make a class tha

Enginering mechanics, if 2 forces are equal at an angle alpha between them...

if 2 forces are equal at an angle alpha between them - its resultant R and its direction

Unification, Unification: As just above this we have said that the rul...

Unification: As just above this we have said that the rules of inference for propositional logic detailed in the last lecture can also be required in first-order logic. Moreov

Describe the instruction set architecture, Q. Describe the instruction set ...

Q. Describe the instruction set architecture? The significant role of the Central Processing Unit (CPU) is to perform calculations, to coordinate all other hardware components,

Differentiate between static and dynamic memory, Differentiate between stat...

Differentiate between static and dynamic memory? The static RAM is simpler to use and has shorter read and write cycles. One of the main applications of static RAM is in execut

Dfa, design a dfa which accept all the string over a and b ending with ab o...

design a dfa which accept all the string over a and b ending with ab or ba

Explain the term- looking at existing paperwork, Explain the term- Looking ...

Explain the term- Looking at existing paperwork This allows analyst to see how paper files are kept and look at operating instructions and check accounts, training manuals etc

Explain the terms constructors and destructors, When we initialize the form...

When we initialize the form at that time if we require to set any variable's value then we can set it by defining in constructor. Constructor's name always similar as class name an

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd