Lecture 1‚ page 1 Today: Communication Issues • Message-oriented communication – Persistence and synchronicity • Stream-oriented communication Computer Science CS677: Distributed OS Lecture 1‚ page 2 Persistence and Synchronicity in Communication • General organization of a communication system in which hosts are connected through a network 2-20 Computer Science CS677: Distributed OS Lecture 1‚ page 3 Persistence • Persistent communication – Messages are stored
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Entity-Relationship (E/R) Model Dr P Sreenivasa Kumar Professor CS&E Dept I I T Madras Entity-Relationship (E/R) Model Widely used conceptual level data model • proposed by Peter P Chen in 1970s Data model to describe the database system at the requirements collection stage • high level description. • easy to understand for the enterprise managers. • rigorous enough to be used for system building. Concepts available in the model • entities and attributes of entities. • relationships between
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INx352 Network Planning Assignment Part 1: TCP/IP Communications via Socket Programming‚ Semester 2 2014 Distribution Date: Monday 04/08/14 (Week 3). Due Date: Friday 26/09/14 (Week 10). Submit your assignment via email to Meera at her email address meera.vasudevan@qut.edu.au 1. Introduction This assignment of TCP/IP communications is a group-of-two assignment worth 10%. It will require Socket Programming‚ which has been in Week 2 Lecture and Week 3 tutorial. Sections 1 through 3 introduce
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#1. Entity Relationship Diagram #2. a. & b. One Room can be designated only one Room Type‚ whilst a particular Room Type can be assigned to several rooms (i.e. there may be many rooms that have double beds). Therefore‚ Room has a one-to-one relationship with RoomType and RoomType has a one-to-many relationship with Room. From the table‚ it can be seen that a particular room can only be designated as belonging to one type / category‚ thus confirming that Room RoomType has
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15 2. Process and record payment 30 3. Check file for violations and restrictions 60 4. Conduct eye test 40 5. Photograph applicant 20 6. Issue temporary license 30 Henry Coupe‚ manager of a metropolitan branch office of the state department of motor vehicles‚ attempted to perform an analysis of the driver’s license renewal operations. Several steps were to be performed in the process. After examining the license renewal process‚ he identified
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Venn Diagrams Paper Math 156 Jacqueline Burrell May 13‚ 2012 Evan Schwartz‚ instructor How Venn Diagrams Can Help Students in Math Venn diagrams are used in math to visually assist students when grouping real sets or implied ideas. The diagrams were invented by John Venn and are his only known accomplishments in the science of mathematical logic (Stapel‚ 2012). The diagram begins with all related information and is named the universal set. In this set all the known information pertaining
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detailed way he wants the order written up‚ but most of the order clerks don’t understand how to actually use a multipage order form. They simply improvise when it comes to a detailed question such as “industrial” or “commercial”. The current training process is as follows. None of the jobs has a training manual per se‚ although several have somewhat out of date job descriptions. The training for new people is all on the job. Usually‚ the person leaving the company trains the new person during the one
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or zip) are required to be submitted using SLATE in a timely manner. Submission Folder name should be Roll No_Sec e.g. 11i-1111_A Marks will be deducted in case of late submissions. Q.1 Write a program that uses fork () to create one child process named CHILD. Using pipe()‚ establish a pipe between parent and child. Using dup2()‚ attach file descriptors for Standard input and Standard output to the pipe. Parent takes data from the keyboard and adds a suffix "-PARENT-PROCESSED" to the data
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project was to create a gas station management software package using the classic waterfall development lifecycle. Some of the requirements that needed to be met were: the ability to control gas pumps‚ keep track of in-store inventory‚ and provide communication between station employees and the head office management. This project was not so much an exercise in programming as it was in software design documentation. That is to say‚ the bulk of this project was a compilation of 5 design documents amassed
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Assignment 1.1 Communication Process Model Reflection: Write one paragraph for each question (200-300 words) in which respond to the following: 1. What did you learn about the communication process from this activity? Each step in the communication process is vital‚ and without following through on each step‚ the message may get lost. In the workplace‚ you can lose time and money when the message is conveyed in the wrong way. I learned that a critical part of communication is knowing what
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