2. A workstation currently has three users logged into it, with account names A, B and C. These users are running four processes, with process IDs 1001, 1002, 1003 and 1004. User A is running processes 1001 and 1002, B is running process 1003 and C is running process 1004. a. Draw an object diagram showing objects representing the workstation, the users and processes, and links to represent the relationships of a process running on a workstation and a user owning a process. b. Consider an operation which lists information about the processes that are currently running on a workstation. It can either report on all the current processes or, if invoked with a suitable argument, the processes for a single specified user. Discuss what messages would need to be passed between the objects shown in part (a) in order to implement this operation.
2. A workstation currently has three users logged into it, with account names A, B and C. These users are running four processes, with process IDs 1001, 1002, 1003 and 1004. User A is running processes 1001 and 1002, B is running process 1003 and C is running process 1004. a. Draw an object diagram showing objects representing the workstation, the users and processes, and links to represent the relationships of a process running on a workstation and a user owning a process. b. Consider an operation which lists information about the processes that are currently running on a workstation. It can either report on all the current processes or, if invoked with a suitable argument, the processes for a single specified user. Discuss what messages would need to be passed between the objects shown in part (a) in order to implement this operation.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:2. A workstation currently has three users logged into it, with account names A, B and C. These users are
running four processes, with process IDs 1001, 1002, 1003 and 1004. User A is running processes 1001
and 1002, B is running process 1003 and Cis running process 1004.
a. Draw an object diagram showing objects representing the workstation, the users and
processes, and links to represent the relationships of a process running on a workstation and
a user owning a process.
b. Consider an operation which lists information about the processes that are currently running
on a workstation. It can either report on all the current processes or, if invoked with a suitable
argument, the processes for a single specified user. Discuss what messages would need to be
passed between the objects shown in part (a) in order to implement this operation.
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