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Basic database terminology and key concepts about the relational database model.
1. Please define and give an example of each of the following:
a. composite attribute
b. derived attribute
c. single-valued attribute
d. multivalued attribute
e. simple attribute
f. strong entity
g. weak entity
h. strong relationship
i. weak relationship
2. What two conditions must be met before an entity can be classified as a weak entity?
3. What is a recursive relationship? Give an example.
4. What is the difference between connectivity and cardinality?
5. Choose two of the Conflicting Goals-(Design standards, Processing speed, Information requirement) and give an example to explain how they can conflict with each other.
A particular value occurs in a nested list if it is an element of the list or occurs in a nested list that is an element of the list.
Question 1: Describe what happens when a function is invoked (called).
Translating designs and wireframes into high-quality code. Build reusable code and libraries for future use.
Discuss the advantages and disadvantages of adjacency list and adjacency matrix in relation to a weighted graph representation.
A separately excited dc motor is operating at an armature voltage of 300 V. It's no-load speed is 1200 rpm. When fully loaded it delivers a motor torque of 350 N-m and its speed drops to 1100 rpm.
Describing a potential computer security problem related to that system.
List at least five categories of personal productivity software packages. Then concentrate on one of these categories, and describe a representative product in that category with which you are somewhat familiar.
What will be the outcome if you are successful? How can the victim have prevented this type of attack? Go into as much detail as possible.
To find out more technical details about DSL, investigate the different modulation techniques that are used to transmit DSL signals.
Why do you not, in general, maintain a completely balanced binary search tree?
Determine the frequency of failure from 1 to 20 bends. If the paperclip lasts more than 20 bends, note their frequency in the "20+ bends" row, and mention the frequency of this result in your paper.
How do components of computer system interact within system? What improvements or additions to system do you believe would benefit you or make system more user-friendly?
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