As previously said, the three highly important qualities of validity, accuracy, and completeness can be expanded into the information quality of integrity.
For information to be valuable and to meet the definition of information, it must largely have the characteristics of relevance, availability, and timeliness. Accuracy, completeness, consistency, distinctiveness, and timeliness are five qualities of high-quality information. For information to be accurate and valuable, it must be of high quality. Standard attributes, commonly referred to as global attributes, work with a wide variety of elements. The essential attributes such as accesskey, class, contenteditable, contextmenu, data, dir, hidden, id, lang, style, tabindex, and title are included in them.
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Answer:
2. A data modelling project using a packaged data model REQUIRES A GREATER SKILL than a project not using a packaged data model.
Explanation:
1a. Review of universal models:
A data model is an abstract model that organizes elements of data and standardizes how they relate to one another and to the properties of real world entities. It has become the standard approach used towards designing databases.
A universal data model is a template data model that can be reused as a starting point or a building block to jump-start development of a data modelling project, industry specific model, logical data models.
1b. Discuss how these are being used more widely today.
*Universal data models helps professional reduce development time, improve consistency and standardization while achieving high quality models.
*Higher quality: just as architects consider blue prints before constructing a building, one should also consider data before building an app. A data model helps define the problem, enabling one to consider different approaches and choose best ones.
*By properly modelling and organization's data, the database designer can eliminate data redundancies (needless repetitions) which are a key source for inaccurate information and ineffective systems.
2. Greater and advanced skills are adequate and required when data modelling project is done using packaged data model while fewer skills are required when data modelling is done without packaged data model.
Explanation:
Here, in the given statement, maximum flow capacity of the ALOHA channel = 18.4% = 0.184
Then, the stations N share 56 kbps
And, the channel rate = 
Then, the outputs of the wach stations is 
, the output of the bits/ sec by each stations = 
So, The output of the N stations is 10 bits/sec on the channel that having 
Finally, N = 
Records, data and tables are terns used in database software.Rows are typically presented by numbers and contain data for individual records. Records are used in database software to organize data. They are stored in tables.
