9. Business use of Computers and IT Flashcards
How are files usually structured for databases?
- File consists of records
- Each record is for an entire supplier, customer, employee etc
- Each record contains fields/attributes
- Each field is made up of characters
How is data retrieved from a database?
Using SQL (structured query language)
What is big data?
Extremely large data sets that may be analysed to reveal patterns, trends and associations
- Especially related to human behaviour and interactions
Who stated the 3 characteristics of big data?
Doug Laney (2001)
What did Doug Laney (2001) state were the 3V’s of big data?
- Volume (more data that can be easily handled by a single computer)
- Variety (non-uniform, usually unstructured data)
- Velocity (arrives continually and has to be processed quickly to yield useful results)
Optional:
- Veracity (Is the data true, accurate and reliable?)
What is the processing of big data known as?
Big data analytics
What does big data analytics include?
- Data mining (identify patterns)
- Predictive analysis (predict future events)
- Text analytics (looking for key words in documents, emails etc)
- Voice analytics (as above with audio)
- Statistical analytics (identify trends, correlations and changes in behaviour)
What is a potential use of AI in accounting?
Audit
What is a distributed ledger?
- Blockchain process
- Info is held simultaneously in many computers in a network
- If one computer is damaged, there are many copies
What are some examples of internal information used by businesses?
- Sales analyses
- Inventory reports
- Debtor ageing
- Attendance records
What are some examples of external information used by businesses?
- Internet
- Marketing literature
- Conferences and courses
- Commercial databases
- Government
