OPERATING SYSTEMS PRACTICAL MAY 18

TUESDAY: 22 MAY 2018

QUESTION ONE

Create a word processor document named “Question One”

Use the word processor document to save answers to questions (a) to (f) below:

(a)     (i) Explain the term “Virtual machine” as used in computing. (1 mark)

(ii) State one benefit of using a Virtual machine. (1 mark)

(b)     You wish to replace the hard disk of your personal computer. Enumerate four steps you would follow to accomplish this task. (4 marks)

(c)     Capture and save a screenshot showing whether the computer you are using is part of a domain or not. (3 marks)

(d)     Adjust the maximum disk space used for system protection to be 2% of your computer hard disk space. Capture and save a screenshot showing the results. (4 marks)

(e)     Use an appropriate tool to capture and save a screenshot of your computer’s performance rating. (3 marks)

(f)       Clear all windows experience index scores and re-rate the system. capture and save in each case a screenshot showing:

                   (i)      The re-rate progress. (2 marks)

                 (ii)      The final rating. (2 marks)

QUESTION TWO

Create a word processor document named “Question Two” and use it to save your answers to questions (a) to (d) below:

(a)     Explain the following terminologies as used in operating systems

                   (i)            Context switching.(2 marks)

                 (ii)            System call.(2 marks)

                (iii)            Processor control block (PCB) .(2 marks)

(b)     Capture and save a screenshot(s) in each case to illustrate how you would perform the following tasks:

                   (i)            Show the CPU usage history.(2 marks)

                 (ii)            Change a process priority to high.(2 marks)

                (iii)            Display, using a diagnostic tool your computer’s system information.(2 marks)

(c)     Capture and save a screenshot showing how you would allow programs to communicate through the windows firewall. .(2 marks)

(d)     Capture and save a screenshot showing how you would perform each of the following:

                   (i)            To automatically hide taskbar when it is not active.(2 marks)

                 (ii)            To lock the taskbar.(2 marks)

                (iii)            Turn on the icon and notification of the network status.(2 marks)

QUESTION THREE

Create a word processor document named “Question Three” and use it to save your answers to questions (a) to (f) below:

(a)     (i) In relation to windows operating systems, explain the meaning of the term “bit locker drive encryption”. (2 marks)

(ii) Summarize the two prerequisites for efficient operation of the bit locker. (2 marks)

(b)     Mr. Ndii Kei wishes to do a new installation of Microsoft windows 8.1 operating system onto a notebook computer which is currently running windows 7 operating system. Advice Mr. Ndii Kei on the procedure to use in order to load the operating system from an image stored on a USB flash disk. (2 marks)

(c)     Your computer acts as a print server.

Configure your computer such that when powered off but connected to power source, it allows:

(i) The device to wake the computer. (2 marks)

(ii) A magic packet to wake the computer. (2 marks)

Capture and save a screenshot to show how you accomplished the above tasks.

(d)     Using an appropriate utility, capture and save a screenshots showing how you could limit the processes that your computer initiates during start up in order to speed up the booting process. (4 marks)

(e)   Capture and save a screenshots showing how you would delete temporary files from your hard drive. (3 marks)

(f)     Using an appropriate utility, capture and save a screenshots showing how you would delete a file from the recent documents in Microsoft Word application. (3 marks)

QUESTION FOUR

Create a word processor document named “Question Four” and use it to save your solutions to questions (a) to (c) below:

(a)    Assess two reasons for providing an environment which allows process co-operation. (4 marks)

(b)   State two circumstances under which CPU scheduling decisions might be made. (2 marks)

(c)    Use an appropriate tool to capture and save a screenshot showing the information on environment variables of your computer system under software environment.  (4 marks)

(d)   Create a folder called OSPJ2018. Allow the folder to be shared and change the following details:

Share name:                 Perwork

Description:                  My personal practical work

User limit:                      5

Capture and save a screenshots showing the steps followed to accomplish the above tasks. (6 marks)

(e)   While your flash disk is inserted in your computer, perform the following tasks:

                   (i)            Display the volume(s) contained in your flash disk. (2 marks)

                 (ii)            Change your flash disk removal policy to better performance. (2 marks)

Capture and save a screenshots showing the results of each of the above tasks.

QUESTION FIVE

Create a word processor document named “Question Five”

Use the word processor document to save your answers to questions (a) to (e) below:

(a)     (i) Define the term “partitioning” in the context of an operating system. (2 marks)

(ii) Differentiate between exFAT32 and NTFS file systems. (4 marks)

(b)   (i) Using an appropriate utility, display the windows registry editor

Capture and save a framed screenshot of the windows registry editor. (2 marks)

(ii) Configure your local machine setting in the windows registry to only match whole string during a search operation.

Capture and save a screenshot showing how you completed the task above. (3 marks)

(c)     Rename your computer to “Accounts” and set it to be a member of the “Finance” workgroup

Capture and save the screenshot for the Finance workgroup. (2 marks)

(d)     Turn on the following windows features

                (i)         All games. (1 mark)

              (ii)         Telnet client. (1 mark)

             (iii)         FTP service. (2 marks)

(e)     Set your computer to load startup items and system services during selective startup

Capture and save the screenshots of how you completed the above tasks. (3 marks)