History of Computers

What is considered one of the earliest computing tools, using beads for arithmetic calculations?

• Slide rule

• Abacus

• Pascaline

• Enigma machine

Answer explanation

Abacus (3000 BC): Early counting tool using beads for basic arithmetic.

Which 19th-century inventor designed the Analytical Engine, a mechanical precursor to modern computers?

• Nikola Tesla

• Alexander Graham Bell

• Charles Babbage

• Thomas Edison

Answer explanation

Analytical Engine (1837): Charles Babbage's design, precursor to modern computers.

The first electronic general-purpose computer and was capable of performing complex calculations using vacuum tubes for electronic components, developed during the 1940s, was called?

• Mainframe

• Microcomputer

• Vacuum Tube Computer

• ENIAC

Answer explanation

ENIAC is an early electronic general-purpose computer, developed during the 1940s, was a massive machine using thousands of vacuum tubes and designed for performing a wide range of calculations, including artillery trajectory calculations.

Which technological advancement replaced vacuum tubes in computers, making them smaller and more reliable?

• Transistors

• Diodes

• Resistors

• Capacitors

Answer explanation

Transistors and Integrated Circuits (1950s - 1960s): Transistors and ICs led to smaller, efficient computers.

The introduction of what concept by Xerox PARC led to more user-friendly computer interfaces?

• ASCII

• GUI (Graphical User Interface)

• VPN (Virtual Private Network)

• RAM (Random Access Memory)

Answer explanation

Graphical User Interfaces (1980s - 1990s): GUIs, like Windows and Mac, improved usability.

The development of the World Wide Web is credited to:

• Tim Berners-Lee

• Mark Zuckerberg

• Bill Gates

• Steve Jobs

Answer explanation

Internet and World Wide Web (1990s): Tim Berners-Lee's invention of the Web and browsers transformed global communication.

Choose 2 examples of cloud computing

• Google drive

• Gmail

• Cloud9

• SSD

Choose 2 possible features of Artificial Intelligence

• Facial Recognition

• Deep Learning

• Quantum Computer

• Chatbox

UI stands for (a)  

Answer explanation

UI stands for User Interface

WWW stands for (a)  

Answer explanation

WWW stands for World Wide Web