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a. Draw an ER diagram. Make sure each entity type has at least one key attribute. Document any assumptions you make. Avoid diagrams with a single entity. b. If you think the description is incomplete, list other data the database should store. c. Adjust your design to incorporate these additions. Problem 1: A space agency wants to develop a database of all satellites that humans have launched into space. Data includes the satellite identification, date of launch, destruction date, purpose, maximum orbital altitude, launching location, launching agency, and contact information for agency. Problem 2: A psychological study requires participants to answer a number of questions related to personality. The database should store the multiple choice answers (A, B, C, D) to the questions and information about each participant, such as participant id, age, and sex. The database should compute a score based on the individual's answers. The score indicates one of 8 personality categories. Each category has an identifying name and specifies that each of three qualities is either true or false.
Consider a demand-paging system with the following time-measured utilizations.
This exercise begins with information for a building project. Working in Microsoft Project, you will create the task list, including summary tasks and their sub-tasks, create links between tasks and their predecessors, add resources, and make chan..
Discuss the considerations for formulating and selecting DSS implementation strategies.
Explain the process of characterizing a new internetwork using the OSI model as its foundation. What tools would you use to assist in your planning efforts.
Points T1, T2 ,and T3 are 25 miles apart, and points C1 , C2, and C3 also are 25 miles apart. If telephone lines cost $1 per mile, determine the line cost for three?
List typical reports needed by this business that would be generated from this database and specify their use. For one of the reports listed, define the report, in terms of selection criteria, sort order, data elements and use of the report.
Discuss four different types of wireless technologies. Describe the characteristics and properties of each signal type, and how each can be used.
Real-time systems often require precise timing for data sampling and control operations. This is usually achieved through the use of a programmable timer circuit that periodically interrupts the main processor at precise times.
Then print the median number. Be sure not to write more than 51 prime numbers in the array, that would be writing past the end of the array and that is not good.(c++) Please solve in a c++ method.
An online chocolate company wants to develop an automated system to enable them to become more eco friendly as well as save time and money. They have invested in a range of packing of specific sizes and want to develop a software system to make max..
What is meant by protocol? Why are protocols essential in data communications?
Your company can only afford to utilize three electronic marketing resources to accomplish these goals. Select three electronic marketing resources to use and justify each resource in memo to company's stockholders.
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