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Enhanced 911 service allows cell phone companies to track the locations of active cell phone users within 100 meters.
a. Who should have access to location information collected by cell phone companies?
b. How long should this information be kept?
c. If this information could be used to help you establish an alibi, would you want the cell phone company to be able to release it to the police?
d. How would you feel about the cell phone company releasing compromising infor- mation about your whereabouts to the police?
e. Should the police be able to get from the cell phone company the names of all subscribers using their phones close to a crime scene around the time of the crime?
Assume that each packet holds 1 KB of data and that the RTT = 100 ms.
Select one of the steps you perform in the physical design of this database. Analyze how this step helps ensure security, integrity, and operability of the database.
how they can be represented in an ER schema diagram.
Examined the multiple access problem and its solutions., as part of our study of wireless and mobility, we are considering another solution to the same problem, namely Code Division Multiple Access (CDMA). What is CDMA, and how does it compare to oth..
You have just started your new job as a junior programmer at Wrigh's Design House. The Project Manager has asked you to develop a program to determine the estimated time needed to complete a design project.
Write a C++ code for sum of two large integers. User have to enter two integers one by one.
For which kinds of computing and information systems do users really need to care about underlying technologies -- which is what an operating system is? Which kinds of users ought to pay more attention to how well a variety of devices and application..
What type of organization permits you to be creative, risk prone, and good conversationalist with peers? How can you strive to nurture place which embraces learning?
Given: A system with two dual-core processors has four processors available for scheduling. A CPU-intensive application is running on this system. All input is performed at program start-up, when a single file must be opened. Similarly, all output is..
Assume that ProjectNumber determines ProjectName and explain why this relation is not normalized?
What errors prevent the table displayed above from being first normal form compliant?Bring the table(s) into first normal form compliance without loss of any data. Identify primary and foreign keys (when present) for all tables.
Create a Relation Schema for S given above. Write out both the full and the abbreviated schemas as shown on Slide of the lecture notes in Module 3. Using a table as a physical representation, create a relation for S as defined above. The table sho..
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