Cyber Class 4 - Sample paper - Evolution of computers
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Q1) What was the earliest device used for calculations before the invention of computers?
(a) Typewriter
(b) Abacus
(c) Printing Press
(d) Microscope
Answer: (b) Abacus
Explanation: The abacus was the earliest device used for calculations.
Q2) Who is considered the "Father of Computers"?
(a) Bill Gates
(b) Charles Babbage
(c) Steve Jobs
(d) Alan Turing
Answer: (b) Charles Babbage
Explanation: Charles Babbage is often referred to as the "Father of Computers."
Q3) What was Charles Babbage's most famous design, considered as the first mechanical computer?
(a) Analytical Engine
(b) UNIVAC I
(c) ENIAC
(d) Mark 1
Answer: (a) Analytical Engine
Explanation: The Analytical Engine was Charles Babbage's most famous design.
Q4) Which electronic computer is considered the first commercially successful computer?
(a) ENIAC
(b) UNIVAC I
(c) Mark 1
(d) ABC
Answer: (b) UNIVAC I
Explanation: UNIVAC I is considered the first commercially successful computer.
Q5) Which generation of computers introduced integrated circuits (ICs)?
(a) First Generation
(b) Second Generation
(c) Third Generation
(d) Fourth Generation
Answer: (c) Third Generation
Explanation: Integrated circuits were introduced in the Third Generation of computers.
Q6) Which computer language, developed in the 1950s, is considered the first high-level programming language?
(a) COBOL
(b) Fortran
(c) Assembly Language
(d) BASIC
Answer: (b) Fortran
Explanation: Fortran is considered the first high-level programming language.
Q7) What innovation in computer design characterized the Fourth Generation of computers?
(a) Transistors
(b) Microprocessors
(c) Vacuum Tubes
(d) Integrated Circuits
Answer: (b) Microprocessors
Explanation: The Fourth Generation introduced microprocessors in computer design.
Q8) What was the first personal computer introduced in the 1970s?
(a) IBM PC
(b) Macintosh
(c) Altair 8800
(d) Commodore PET
Answer: (c) Altair 8800
Explanation: The Altair 8800 was the first personal computer introduced in the 1970s.
Q9) Who co-founded Microsoft Corporation along with Bill Gates?
(a) Steve Jobs
(b) Paul Allen
(c) Mark Zuckerberg
(d) Larry Page
Answer: (b) Paul Allen
Explanation: Paul Allen co-founded Microsoft Corporation with Bill Gates.
Q10) What major development marked the beginning of the Fifth Generation of computers?
(a) Artificial Intelligence
(b) Graphical User Interfaces
(c) Internet Connectivity
(d) Quantum Computing
Answer: (a) Artificial Intelligence
Explanation: Artificial Intelligence marked the beginning of the Fifth Generation of computers.
Q16) In which decade did the first personal computer, the Altair 8800, become available?
(a) 1950s
(b) 1960s
(c) 1970s
(d) 1980s
Answer: (c) 1970s
Explanation: The Altair 8800, the first personal computer, became available in the 1970s.
Q17) What is the term for a program that appears legitimate but performs malicious activities?
(a) Virus
(b) Spyware
(c) Trojan Horse
(d) Worm
Answer: (c) Trojan Horse
Explanation: A program that appears legitimate but performs malicious activities is called a Trojan Horse.
Q18) Who is often referred to as the "Father of Computers"?
(a) Charles Babbage
(b) Alan Turing
(c) Bill Gates
(d) Steve Jobs
Answer: (a) Charles Babbage
Explanation: Charles Babbage is often referred to as the "Father of Computers."
Q19) Which famous computer scientist co-founded Apple Inc. with Steve Jobs?
(a) Bill Gates
(b) Tim Berners-Lee
(c) Steve Wozniak
(d) Mark Zuckerberg
Answer: (c) Steve Wozniak
Explanation: Steve Wozniak co-founded Apple Inc. with Steve Jobs.
Q20) What was the first electronic general-purpose computer called?
(a) UNIVAC I
(b) ENIAC
(c) Colossus
(d) IBM 701
Answer: (b) ENIAC
Explanation: The first electronic general-purpose computer was called ENIAC.