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Draw a class diagram for the following problem
A company has a number of employees. The attributes of employee include employeeID (primary key), name, address, and birthdate. The company also has several projects. Attributes of project include projectName, and startDate. Each employee may be assigned to one or more projects, or may not be assigned to a project.
Calculate the beats number 1, 16, 33, and 48 at output of first round of DES decryption, suppose that ciphertext block is composed of all ones.
Write the business rules that are reflected in the ERD.(Note that the ERD reflects some simplifying assumptions. For example,each book is written by only one author.
Explain four suitable information security policies for online food supply company.
You have been hired by the senior management team of a publishing house to evaluate the efficacy of systems and process integration with the organization's book distributor.
Create a context diagram for new system. Create a diagram 0 DFD for new system. Write brief memo that describes the significance of leveling a set of DFDs.
Design an O(n9) algorithm to find a 9-clique in G, if such clique exists; answer "no such a clique" if it does not exist. Please describe your algorithm and sketch its correctness. Pseudocode is NOT required.
List the different entities or objects, logical processes, data flows and data stores that are involved, starting from the time you submitted your time sheet.
Design an E/R diagram for the following situation: Doctors prescribe drugs for patients. A given doctor can prescribe many drugs for a certain patient.
Assume that the Clark-Wilson model is implemented on a computer system. Could a computer virus that scrambled constrained data items be introduced into the system?
Develop a DTD for a catalog of cars, where each car has child elements make, model, year, color, engine, number_of_doors, transmission_type, and accessories.
In context of a feasibility study explain one cost, one benefit and three possible social effects which would be considered.
Draw an IE Crow's Foot E-R diagram for the entities DEPARTMENT and EMPLOYEE and the 1:N relationship between them. Assume that a DEPARTMENT.
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