Answer:
D) Unsupervised Data mining
Explanation:
Unsupervised data mining also refered to as undirected data mining reveals hidden patterns in unlabeled data. In this method, there are no output variables to predict. The aim of an unsupervised data mining technique is to uncover patterns in data based on the relationship between the data points and each other
the answer is Headers should be descriptive of the cell content, The font size should be at least 18-point. hope this helps!!!
Answer:A)Smart-card PINs
Explanation: A pin is the defines as the personal identification number that is allotted to the smart card uniquely that is no other smart can have same number.This number is only known by the smart card holder only.
This number is important because it works for the unlocking of the data that is securely stored and by entering the pin ,it can be decoded.Thus, the other given options are incorrect because they don't use enumeration to hide the data .Thus the correct option is option (A)
The
process that aids managers to better understand the processes through which
they are performed most effectively by gathering and organizing detailed
information about various jobs within an organization so that is called Job
analysis and is performed by a job analyst in an organization. Occupational
Information Network (O*Net) is a database that provides both basic and advanced
job-analysis information; as such, IT can be viewed as an alternative to
conducting job analysis. O*NET
OnLine has detailed descriptions of the world of work for use by job seekers,
workforce development and HR professionals, students, researchers, and more. It
is a tool for career exploration and job analysis.
I'd say the best option would be B.