Humans have launched into space

Assignment Help Basic Computer Science
Reference no: EM13834206

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. 

Reference no: EM13834206

Questions Cloud

What is the meaning and significance of death : How does Wolterstorff find joy after his loss and what is the meaning and significance of death in light of the Christian narrative?
Research the tcp protocol and choose one tcp : TCP is a reliable transport protocol. Research the TCP protocol and choose one TCP topic and write a tutorial, detailed instructions on the use of an IP related topic .  If the topic you have chosen has already been discussed in CSEC640 Module1, enha..
Describe the general orientation and magnification : Describe the general orientation and magnification of the images formed through the convex lens before the image became blurry (this occurs when the image distance is larger than the distance from the lens to your eye)
What interests of conflict do i face : Ethical dilemma: I'm a general counsel to a firm owned by two shareholders, including my brother-in-law. They are also directors of company. I found that they are skimming cash out of company and when I protest they offer me the ownership. What step ..
Humans have launched into space : 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..
What kind of mirror did you use in procedure : What kind of mirror did you use in Procedure/Observations 1-is it convex or concave? Is your image in this type of mirror a virtual image or a real image? How do you know
Journalize transactions and closing entry for net income : Prepare a classified balance sheet at December 31, 2015 - The investment in Sasse common stock is considered to be a long-term available-for-sale security.
Attributes for the entities will be identified and described : Project 1 Details: In this project you will be provided with a description of an application (below) to create an entity-relationship diagram (ERD) and design accompanying table layout using sound relational modeling concepts and practices. The relat..
The irs adjustment caused a tax deficiency : he IRS audited Samuel's return and included the $500,000 contingency fee in gross income. At the same time, Samuel was allowed a miscellaneous deduction (subject to the 2% floor) for the fee paid to the attorney. The IRS adjustment caused a tax defic..

Reviews

Write a Review

 

Basic Computer Science Questions & Answers

  16-bit 1''s complement numbe

Convert the following numbers to 16-bit 1's complement numbers (display results in hexadecimal)

  How do you define the frequency or cycling

Filters exist in natural systems, biosystems, psychsystems, mechanical, etc. Give an example of filtering in nonelectronic area

  The wbfk transport company operates throughout mainland

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 eulers method

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.

  Draw an erd to model this situation

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.

  Create a student class which will contain the following

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.

  Design and develop database using professional

Provide a logical and physical design of the database.

  Trust and deception

Trust and Deception

  Describe von neumann architecture

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

  Return true if sum of all array elements greater than sum

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

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

Find the error in the following pseudocode. Constant Real GRAVITY = 9.81 Display "Rates of acceleration of an object in free fall:"

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd