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Let us have a 20MIPS processor, you have to calculate the percentage of time it spends in busy wait loop of a 75-character line printer, when it takes 2 msec to print a character and a total of 665 instructions require to be executed to print a 75 character line.
Suppose that two instructions are executed in the polling loop.
Outline the main differences between the structure of a relational database optimized for online transactions versus a data warehouse optimized for processing and summarizing large amounts of data
The appropriate SQL commands, which should be copied from your source code in MySQL, and pasted into your submission file; and The resultant tables, which must be screenshots to show the change due to the execution of commands
Implement a program to query and update the text database for a library using a client/server model allowing multiple clients safe access to the database, and using a producer-consumer model to control the inventory of each item.
Examples of non-candidate keys include the following: {name}, {age}. (Note that {gpa} can not be declared as a non-candidate key from this evidence alone even though common sense tells us that clearly more than one student could have the same grade p..
a) Given a particular blog post, what are all of the comments associated with it?yes b) What are the blog posts for a particular user?
based on the baxter aviation scenario that you used for the first exam. please read the following narrative carefully
Large-scale database are available on several platforms. Among those are MySQL, SQL Server, and Oracle. Other than cost, why might an organization select MySQL over SQL Server or Oracle
With the new UNSW timetabling system, the LIC of each course is required to specify what facilities they require in their classrooms as one of the inputs to the timetabling process. Write an SQL function to provide a list of rooms that contain a g..
Give you practical experience in using Entity-Relationship and Relational Database modelling techniques.
Display all the LastNames from the Customers table and any associated OrdersIDs from the Orders Table. Show the LastName even if they do not have any associated orders. Order the results by LastName in ascending order.
Explain in detail with supporting illustrations the six stages of the problem solving process and explain when the choice for using electronic spreadsheets is the preferred tool of choice.
Find the year when maximum number of faculty were hired - List the number of courses (not offerings) taught in 2006 by faculty rank and department excluding the ones with zero courses taught.
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