WorksheetsThe History of Computers and From Data to Knowledge-LO1 Quiz
Total questions: 20
Worksheet time: 11mins
What is meant by the evolution of computers?
The gradual development and improvement of computing technology over time
The replacement of all human work with machines
The study of ancient calculating tools only
The transformation of software into hardware
What does the term disruptive technology refer to?
An innovation that fundamentally changes how computers are designed, used, or integrated into society
A minor software update that enhances existing programs
A marketing term for new computer brands
A temporary improvement in system performance
Which of the following is an example of a disruptive technology?
Netflix
Floppy disks
CRT Monitors
Magnetic drums
What characterized first-generation computers (1940s–1950s)?
Vacuum tube technology
Transistor-based systems
Integrated circuits
Microprocessor chips
What was a major drawback of first-generation computers?
They were very large, consumed a lot of electricity, and required constant maintenance
They were inexpensive and portable
They could easily connect to the Internet
They used high-level programming languages
What technology is the fourth generation (1970s–present) based on?
Microprocessors
Transistors
Magnetic tape
Vacuum tubes
What is data?
Raw facts that describe the characteristics of an event or object
Processed insights used to make decisions
Conclusions drawn from analysis
Information displayed in charts and reports
What is the difference between structured and unstructured data?
Structured data has defined format; unstructured data lacks a predefined structure
Structured data is meaningless, while unstructured data is useful
Structured data includes only images; unstructured includes only numbers
Structured data is stored manually; unstructured data is stored digitally
Which of the following is an example of unstructured data?
Emails and social media posts
Customer addresses and ID numbers
Product codes and purchase dates
Temperature readings in a sensor log
What is information?
Data converted into a meaningful and useful context
Random facts collected from multiple sources
Stored data awaiting analysis
Processed knowledge ready for automation
How does data become information?
When it is processed, structured, and given context
When it is simply collected and stored
When it is displayed in any table or chart
When it is transferred between systems
An informed decision defind as
A decision based on facts or information
A decision made through probability
A decision taken by majority vote
A decision derived from assumptions
Knowledge is
Actionable insights derived from information
Data stored in large databases
Charts and reports showing trends
Structured data used for marketing
What does knowledge combine?
Skills, experience, expertise, information, and intelligence
Hardware, software, and storage
Data visualization and statistics
Communication, teamwork, and creativity
What does knowledge help with in a business context?
Decision-making, problem-solving, and predicting trends
Data collection and reporting
Marketing campaign creation
Employee recruitment and payroll
What is the process of turning data into information called?
Processing or a set of logically related tasks to achieve a defined outcome
Encoding raw facts into binary form
Uploading datasets to a server
Designing a storage architecture
Which of the following are true about structured data? (Choose two)
It has a defined length, type, and format
It includes data such as numbers, dates, or customer addresses
It is mostly found in social media platforms
It changes format frequently
How can businesses use knowledge effectively? (Choose two)
To improve decision-making and operational efficiency
To anticipate customer needs and predict trends
To replace all human workers
To store more raw data
Which of the following are characteristics of useful information? (Choose Three)
It is processed and organized
It provides context and answers specific questions
It supports informed business decisions
It is always numerical
Which activities are involved in transforming data into information? (Choose Three)
Cleaning and structuring the data
Organizing data to give it context
Processing data to make it meaningful
Collecting random facts without categorization
