General Awareness ยท Science General
Inventors and Scientific Discoveries
4,616 Questions
This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.
Famous inventionsNobel Prize winnersScientific conceptsKey inventors
Inventors and Scientific Discoveries Questions
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Anders Hejlsberg
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Dennis Ritchie
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Bjarne Stroustrup
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Grace Hopper
C
Correct answer
Explanation
Bjarne Stroustrup invented C++ in 1979 as an extension of the C language at Bell Labs. Dennis Ritchie created C (1972), Anders Hejlsberg created Turbo Pascal and later C# and J++, and Grace Hopper pioneered early programming language concepts including COBOL.
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John Backus
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Anders Hejlsberg
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Grace Hopper
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Brendan Eich
B
Correct answer
Explanation
Anders Hejlsberg invented J++ (Microsoft's Java implementation) while at Microsoft, before later creating C# and TypeScript. John Backus created FORTRAN, Grace Hopper pioneered COBOL, and Brendan Eich created JavaScript.
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Brendan Eich
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John Backus
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Grace Hopper
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Anders Hejlsberg
A
Correct answer
Explanation
Brendan Eich invented JavaScript in 1995 while at Netscape, creating it in just 10 days. John Backus created FORTRAN, Grace Hopper worked on COBOL, and Anders Hejlsberg created J++ and later C#.
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Grace Hopper
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Anders Hejlsberg
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Brendan Eich
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John Backus
A
Correct answer
Explanation
Grace Hopper invented COBOL in 1959, building on her earlier work with compilers and the concept of machine-independent programming languages. Anders Hejlsberg created J++ and C#, Brendan Eich created JavaScript, and John Backus created FORTRAN.
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Grace Hopper
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Anders Hejlsberg
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Alan Cooper
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John Backus
C
Correct answer
Explanation
Alan Cooper invented Visual Basic and is considered the 'father of Visual Basic' for his work on the visual programming paradigm. Grace Hopper pioneered COBOL, Anders Hejlsberg created J++ and C#, and John Backus created FORTRAN.
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Anders Hejlsberg
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John Backus
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Yukihiro Matsumoto
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Brendan Eich
C
Correct answer
Explanation
Yukihiro Matsumoto invented Ruby in 1995 in Japan, emphasizing simplicity and productivity. Anders Hejlsberg created J++ and C#, John Backus created FORTRAN, and Brendan Eich created JavaScript.
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Grace Hopper
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Anders Hejlsberg
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Guido van Rossum
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Brendan Eich
C
Correct answer
Explanation
Guido van Rossum invented Python in 1991 in the Netherlands, naming it after Monty Python's Flying Circus. Grace Hopper pioneered COBOL, Anders Hejlsberg created J++ and C#, and Brendan Eich created JavaScript.
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Carnegie Mellon University
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MIT
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Ruggters University
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IOWA State University
A
Correct answer
Explanation
BLISS is a programming language developed at Carnegie Mellon University in the early 1970s. It was designed for systems programming and used on DEC PDP-10 and PDP-11 computers. BLISS emphasized block structure and had strong type checking.
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David Korn
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Stephen R. Bourne
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Kem Thompson
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William Joy
D
Correct answer
Explanation
The C shell (csh) was created by William Joy at Berkeley in 1978 as part of the BSD Unix distribution. Its syntax resembles the C programming language, which is how it got its name.
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Booch
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Rumbaugh
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Lyons
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Jacobson
A,B,D
Correct answer
Explanation
UML was created by combining three object-oriented methodologies: Grady Booch's Booch method, James Rumbaugh's OMT (Object Modeling Technique), and Ivar Jacobson's OOSE (Object-Oriented Software Engineering). These three programmers are recognized as the primary designers of UML.
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Anders Hejlsberg
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James Gosling
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Gurido Van Rossum
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Alan Cooper
A
Correct answer
Explanation
Anders Hejlsberg created Delphi while working at Borland in the 1990s. Delphi was a rapid application development tool based on Object Pascal. James Gosling created Java, Guido van Rossum created Python, and Alan Cooper created Visual Basic.
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Alan Cooper
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John Kemeny
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Bjarne Stroutsup
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Larry wall
A
Correct answer
Explanation
Alan Cooper is known as the 'father of Visual Basic' for his pioneering work on the visual programming concept. John Kemeny co-created BASIC, Bjarne Stroustrup created C++, and Larry Wall created Perl.
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RasmusLerdorf
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Dennis Ritchie
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Bjarne Stroutsup
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Dennis Mitchell
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Brendan Eich
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Ken Thompson
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Richard Cooper
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Martin Richards
D
Correct answer
Explanation
Martin Richards designed and implemented BCPL (Basic Combined Programming Language) at Cambridge University in 1966. BCPL was a precursor to C and influenced the B programming language. Brendan Eich created JavaScript and Ken Thompson created Unix.
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Grace Hooper
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Brendan Eich
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Ken Thompson
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Yukhiro Matsumoto
B
Correct answer
Explanation
Brendan Eich created JavaScript in 1995 while working at Netscape Communications. The language was originally named Mocha and later LiveScript before becoming JavaScript. Grace Hopper worked on early compilers, Ken Thompson co-created Unix, and Yukihiro Matsumoto created Ruby.