Living in the IT Era

Which 17th-century device was used for basic arithmetic?

• Microprocessor

• Transistor

• Abacus

• Mainframe

What replaced vacuum tubes in computers in the 1950s?

• Microchips

• Transistors

• Diodes

• Cloud computing

In which decade did personal computers become widely available?

• 1950s

• 1960s

• 1980s

• 2000s

Which technology connects computers globally?

• Quantum computing

• Internet

• Smartphones

• Mainframes

What allows cloud services to be scaled up or down?

• On-demand resources

• Data analytics

• Microprocessor

• Quantum encryption

Which device became popular for mobile computing in the 2010s?

• Mainframes

• Smartphones

• Abacus

• Supercomputers

What is the key feature of cloud computing?

• Larger hardware requirements

• Pay-as-you-go model

• Limited scalability

• Complex physical setup

Which invention enabled smaller and more efficient computers in the 1950s?

• Vacuum tubes

• Transistors

• Quantum computers

• Mainframes

Which technology allows people to hold meetings online?

• Smartphones

• Social media

• Virtual meetings

• Mechanical calculators

What is the primary function of big data analytics?

• Encrypt data

• Make data-driven decisions

• Perform manual calculations

• Store physical files