Questions 76–81 of 81 History and Generations of Computers MCQs — start at page 1 for an overview.
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History and Generations of Computers
The abacus was the first ____.
Correct answer: D
The abacus is considered the first mechanical calculator, used for performing arithmetic calculations long before the invention of electronic or mechanical computers.
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History and Generations of Computers
The abacus was the first ____.
Correct answer: A
The abacus is considered the earliest known calculating device, used for basic arithmetic operations such as addition, subtraction, multiplication, and division. It is a manual tool and represents the beginning of computational devices in human history.
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History and Generations of Computers
The first computer for home use was introduced in 1981 by which company?
Correct answer: A
IBM introduced the IBM Personal Computer (IBM PC) in 1981, which became widely recognized as the first computer designed for home and personal use by a major company.
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History and Generations of Computers
The Brain virus, also known as the first computer virus for MS-DOS, was written by two brothers from which of the following countries?
Correct answer: C
The Brain virus, considered the first computer virus for MS-DOS, was created in 1986 by two brothers, Basit and Amjad Farooq Alvi, from Pakistan.
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History and Generations of Computers
What was the chief component of first generation computers?
Correct answer: B
The chief component of first generation computers was vacuum tubes and valves, which were used for circuitry and memory. Transistors and integrated circuits were introduced in later generations.
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History and Generations of Computers
Who is known as the father of email?
Correct answer: A
Ray Tomlinson is widely recognized as the inventor of email and is often referred to as the 'father of email' for implementing the first networked email system in 1971.
