History of Computers
1. Charles Babbage is known as the "Father of the Computer" for his work on the Analytical Engine, an early mechanical computer.
2. The first commercially successful computer was the UNIVAC I (Universal Automatic Computer) introduced in 1951.
3. The first personal computer, the Altair 8800, was released in 1975.
4. IBM (International Business Machines Corporation) introduced the IBM PC (Personal Computer) in 1981, which became the standard for personal computers.
5. The World Wide Web was created by Tim Berners-Lee in 1989.
6. Microsoft Windows was first released in 1985 as a graphical operating system for PCs.
7. Apple Inc. introduced the Macintosh (Mac) computer in 1984, which featured a graphical user interface.
8. The term "bug" in computer science originated in 1947 when a moth caused a malfunction in the Harvard Mark II computer.
9. The first computer virus, known as the Creeper virus, was detected in the early 1970s.
10. The Internet was developed in the late 1960s and early 1970s by the United States Department of Defense.
Here are multiple-choice questions (MCQs) along with solutions related to the history of computers:
**1. Why is Charles Babbage known as the "Father of the Computer"?**
A) He invented the first electronic computer.
B) He developed the first commercially successful computer.
C) He designed the Analytical Engine, an early mechanical computer.
D) He founded IBM Corporation.
**Answer: C) He designed the Analytical Engine, an early mechanical computer.**
**2. Which computer was the first commercially successful computer?**
A) ENIAC
B) Altair 8800
C) IBM PC
D) UNIVAC I
**Answer: D) UNIVAC I**
**3. When was the first personal computer, the Altair 8800, released?**
A) 1946
B) 1951
C) 1975
D) 1981
**Answer: C) 1975**
**4. Which company introduced the IBM PC (Personal Computer) in 1981?**
A) Apple Inc.
B) Microsoft Corporation
C) Intel Corporation
D) IBM (International Business Machines Corporation)
**Answer: D) IBM (International Business Machines Corporation)**
**5. Who created the World Wide Web (WWW) in 1989?**
A) Steve Jobs
B) Bill Gates
C) Tim Berners-Lee
D) Larry Page
**Answer: C) Tim Berners-Lee**
**6. Which graphical operating system was first released by Microsoft in 1985?**
A) MS-DOS
B) Windows
C) Linux
D) macOS
**Answer: B) Windows**
**7. When was the Macintosh (Mac) computer introduced by Apple Inc.?**
A) 1975
B) 1981
C) 1984
D) 1989
**Answer: C) 1984**
**8. How did the term "bug" originate in computer science?**
A) It refers to a glitch in the hardware of computers.
B) It was coined by Bill Gates to describe software errors.
C) It originated when a moth caused a malfunction in the Harvard Mark II computer in 1947.
D) It was used by Charles Babbage to describe mechanical failures in early computers.
**Answer: C) It originated when a moth caused a malfunction in the Harvard Mark II computer in 1947.**
**9. When was the first computer virus, the Creeper virus, detected?**
A) 1946
B) 1951
C) 1970s
D) 1981
**Answer: C) 1970s**
**10. Who developed the Internet in the late 1960s and early 1970s?**
A) Apple Inc.
B) Microsoft Corporation
C) Tim Berners-Lee
D) United States Department of Defense
**Answer: D) United States Department of Defense**
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