History of Computer (Vaccuum Tube Era)

What era is described as the first generation of electronic computers?

• 1930s
• 1940s to early 1950s
• 1960s
• 1970s

What key technology replaced mechanical switches in the first generation of electronic computers?

• Transistors
• Vacuum tubes
• Integrated circuits
• Quantum gates

Who developed the Atanasoff-Berry Computer (ABC)?

• John von Neumann
• John Mauchly and J. Presper Eckert
• John Atanasoff and Clifford Berry
• Tommy Flowers

During which years was the ABC developed?

• 1937-1942
• 1943

• 1949
• 1950

What was the primary purpose of the Colossus computer?

• Scientific calculations
• Code-breaking during World War II
• Business data processing
• Weather forecasting

Who developed the Colossus?

• John Atanasoff and Clifford Berry
• Tommy Flowers and his team
• John von Neumann
• J. Presper Eckert

When was the ENIAC developed?

• 1937

• 1943-1945
• 1949
• 1953

Which feature is not associated with the ENIAC? (3 Answers)

• 17468 vacuum tubes
• 1800 square feet
• Decimal-based
• Binary system

Who were the developers of the ENIAC?

• John Atanasoff and Clifford Berry
• Tommy Flowers and his team
• John Mauchly and J. Presper Eckert
• John von Neumann

What system did the EDVAC use?

• Decimal system
• Binary system
• Ternary system
• Hexadecimal system