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This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows:
This is a relatively low fidelity prototype in terms of the levels of interaction (i.e. there is no back-end to the system, we are looking at the front-end) and you may include data that is 'hard-coded' rather than generated by the system. An example of this may be a list of products that is hard-coded in the page and not generated by a call to the back-end. (10%)
You would be expected to submit both the raw data of your heuristic evaluation and a report summarising the main findings in an appropriate format.
Your report should include a section in which you critique the usability of the system and reflect upon the efficacy of your criteria for identifying usability issues.
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e
Availability: A site having the copy of a replicated relation fails, even then the relation may be found in another site. Therefore, the system may carry on to process at least th
Entity types that do not have any key attribute, and therefore cannot be identified independently, are known as weak entity types. A weak entity can be recognized uniquely only by
A collection of a same kind of entities is known as an Entity Set or entity type. Example: For the COLLEGE database defines earlier objects of concern are Students, Faculty,
Which data type can store unstructured data? Raw data type can store unstructured data.
Some disadvantages of File Oriented System ?
construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er d
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
1. Create a subroutine that does the remote blast on the file protein.fa. 2. Pass that returned files from the blast to another subroutine that parses the output and sends it to
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