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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.
Convert the following numbers to 16-bit 1's complement numbers (display results in hexadecimal)
Filters exist in natural systems, biosystems, psychsystems, mechanical, etc. Give an example of filtering in nonelectronic area
The WBFK Transport Company operates throughout mainland Australia. The company specialize in fast delivery of pallet-loads of goods from one WBFK depot to another WBFK depot. It does not do pickups at a customers premises nor does it deliver door to ..
Use Euler's Method with (a) h=.5, (b) h=.25, and (c) h=.05 to solve dy/dx=yx^3-2.3y over the interval from x=0 to 2, where y(0)=1.
The local city youth league needs a database system to help track children that sign up to play soccer. Data needs to be kept on each team and the children that will be playing on each team and their parents.
Demonstrate the correct working of your classes by reading in a collection of student records from a file, sort the records, and print them. If a name is "EOF" it will mark the end of the file.
Provide a logical and physical design of the database.
Trust and Deception
Computer architecture is the combination of software and hardware that is organized in such a fashion as to deliver the machine's intended performance characteristics. Describe Von Neumann architecture and explain why it is important
public boolean sumGreaterThan(double[] array, double sum) Given a filled array of double array elements, return true if the sum of all array elements is greater than sum. The array may be empty.
What inheritance relationships would you establish among the following classes? · Student · Professor · TeachingAssistant · Employee · Secretary · DepartmentChair · Janitor · SeminarSpeaker · Person · Course ·Seminar · Lecture · ComputerLab
Find the error in the following pseudocode. Constant Real GRAVITY = 9.81 Display "Rates of acceleration of an object in free fall:"
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