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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.
How would Broadway Book Shop go about developing its information systems and Justify your choice of your selected approach to systems development.
Write a java class to Find occurence of a digit.
Prompt the user two STRING inputs of time instances in the format of: YYYY/MM/DD HH:NN:SS. Use string manipulations to figure out the units (year, minute, etc.). The output is the total elapsed time in seconds between the two time inputs.
The ____ value of the display style tells the browser not the display the element.
Explain what principle you believe is the MOST essential in developing an input design, and justify your choice.
Which of the following is true of a network structure? The Management Information system (MIS) structure with one main computer system is called a
An iterative algorithm to traverse an arbitrary number of nested subdirectories in a file system.
What is the output of the following sequence of loops
Compare how the gestures data is generated and represented for interpretation in each of the following input devices. In your comparison, consider the data formats (radio waves, electrical signal, sound, etc.), device drivers, operating systems suppo..
What is the output of the following loop
Consider the general affine cipher define by the mapping aX + b (mod 26). Discuss any restrictions on the choices of a and b in general.
Refer to the section on Access Controls. What is the difference between "authorization" and "authentication"? What do we use to perform each of these access control functions? What are the advantages and limitations of the different approaches?
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