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A data bus system is a way that mass amounts of information can be transferred to a location. The bus address is the location that this information arrives at.
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3 Distinguish between data warehouse and a data mart?
A database is a system for storing transactional data (OLTP). A data mart is a repository for analytical data (OLAP). A database is a collection of information about a single topic's various features and activities. Data from many subjects will be stored in a data mart. To learn more about data science please visit- Learnbay.co
Distinguish between an elixir and a tincture and give an example of each?
What two types of data can be collected? Describe eac.
Explain the difference between primary data and secondary data give an example of each?
Primary data is data collected firsthand, through surveys, interviews, experiments, etc. by the researcher, while secondary data is existing data that has already been collected by someone else. An example of primary data would be survey responses collected by a marketing team for a new product. An example of secondary data would be industry reports or census data obtained from a government website.
Distinguish between inclusive and exclusive method of data classification with example?
exclusive method of data classification with example?
Distinguish between Data mining and text mining?
mining the data is called data mining. Mining the text is called text mining
Defne an information system from both a technical and a business perspective and distinguish between computer literacy and informatiom systems literacy?
From the technical perspective, an Information System is a system capable of accepting, storing, safeguarding, retrieving, analyzing, and delivering data. Generally, this is accomplished over a network (either local ore remote) of computers, servers, and peripherals. From the business perspective, an Information System is a system capable of doing the above, but also is able to take the raw data and turn it into something useful/meaningful.
Distinguish between primary data and secondary data?
The difference is rimary data is information personally or originally collected that has not been studied. Secondary data is information already collected, examined and concluded.
What are the merits of tabular representation of data?
They are:1] it is useful to distinguish between raw data tables and analytic tables2] It is a way of conveying information to a reader or to readers
What is the difference between data redundancy and data inconsistency?
Redundancy is data that is not needed or no longer needed. Inconsistency is where you have different data for what should be the same thing, as a result of one piece of data having a few copies and not all of them being updated. So if someone's address is on a system several times, and then their address changes, but it is only updated in some of those places, then the person will have both their old and new address on the system. The data is not consistent then. To avoid this data should be only stored once and everyone that needs it looks at the one set, rather than each having their own copy.
What is Buses and what does it do?
Data bus - transfers data round system address bus - CPU provides the addresses to where the data must be fetched, through this bus control bus - timing and signals which control data flow in the system.
What are three benefits of IPv6?
this protocol routes data packets between networks . IP address specify the locations of the source and destination nodes in the topology of routing system.
How many address lines and data lines are required for a 128k x 8 memory system?
17 address lines and 8 data lines. 2^17=128k
