Saturday, May 21, 2011

CS323: Case Study 4

Using the process state diagram, explain why there is no transition:
• From the READY to WAITING.
• From the WAITING to RUNNING.

Instructions:
• Your answers should reach in not less than 300 words.
• Post your answers to your electronic journal.
• Date of submission: May 22, 2011 12:00 midnight
• Once I found out that you have a duplicated answer from a classmate, automatic 50 grade.




Read more...

Saturday, May 14, 2011

CS323: Case Study 3

Load the following jobs into memory using fixed partition following a certain memory allocation method (a. best-fit, b. first-fit, c. worst-fit).

Memory Block

Size

Block 1

50K

Block 2

200K

Block 3

70K

Block 4

115K

Block 5

15K





a. Job1 (100k) f. Job6 (6k)

turnaround: 3 turnaround: 1

b. Job2 (10k) g. Job7 (25k)

turnaround: 1 turnaround: 1

c. Job3 (35k) h. Job8 (55k)

turnaround: 2 turnaround: 2

d. Job4 (15k) i. Job9 (88k)

turnaround: 1 turnaround: 3

e. Job5 (23k) j. Job10 (100k)

turnaround: 2 turnaround: 3

*turnaround – how long it will stay in the memory.

Instructions:
  • Post your answers to your electronic journal.
  • Date of submission: Today (May 15, 2011) 12:00 midnight.
  • Once I found out that you have a duplicated answer from a classmate, automatic 50 grade.

Read more...

Saturday, May 7, 2011

IT111: Intro to IT Case Study

Case Study 2

Select two of the following professionals:

  • An insurance adjuster
  • A delivery person for a courier service
  • A newspaper reporter
  • A doctor (general practitioner)
  • Manager in a supermarket

Put forward a theory about how that person might use a hand held computer in their work

Instructions:

  • Your answers should reach in not less than 300 words.
  • Post your answers to your electronic journal.
  • Date of submission: Today (May 8, 2011)
  • Once I found out that you have a duplicated answer from a classmate, automatic 50 grade.

Read more...

CS323: Case Study 2

Computer Architecture

Case Study 2

In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. Name at least two of these problems. Can we ensure the same degree of security in a time-share machine as we have in a dedicated machine? Explain your answer

Instructions:


· Your answers should reach in not less than 500 words.


· Post your answers to your electronic journal.


· Date of submission: Today (May 8, 2011)


· Once I found out that you have a duplicated answer from a classmate, automatic 50 grade.

Read more...
Web Marketingdrive recovery software