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MCQ Test: History of Computers - 1 - JKSSB Patwari MCQ


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20 Questions MCQ Test - MCQ Test: History of Computers - 1

MCQ Test: History of Computers - 1 for JKSSB Patwari 2024 is part of JKSSB Patwari preparation. The MCQ Test: History of Computers - 1 questions and answers have been prepared according to the JKSSB Patwari exam syllabus.The MCQ Test: History of Computers - 1 MCQs are made for JKSSB Patwari 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for MCQ Test: History of Computers - 1 below.
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MCQ Test: History of Computers - 1 - Question 1

What was the first electronic general-purpose computer?

Detailed Solution for MCQ Test: History of Computers - 1 - Question 1

The ENIAC (Electronic Numerical Integrator and Computer) is considered the first electronic general-purpose computer. It was developed during World War II (1943-1945) at the University of Pennsylvania by John W. Mauchly and J. Presper Eckert. ENIAC was used to perform calculations for military purposes, such as artillery trajectory calculations. It was a massive machine, weighing about 30 tons and occupying a large room.

MCQ Test: History of Computers - 1 - Question 2

Which company introduced the first commercially successful microcomputer?

Detailed Solution for MCQ Test: History of Computers - 1 - Question 2

Apple introduced the first commercially successful microcomputer with its release of the Apple II in 1977. The Apple II featured a built-in keyboard, color graphics, and a floppy disk drive, making it more accessible to the general public. Its success paved the way for the personal computer revolution and established Apple as a prominent player in the computer industry.

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MCQ Test: History of Computers - 1 - Question 3

Which computer is often considered the first commercially successful personal computer?

Detailed Solution for MCQ Test: History of Computers - 1 - Question 3

The Altair 8800, released in 1975 by MITS (Micro Instrumentation and Telemetry Systems), is often considered the first commercially successful personal computer. It was a kit computer that required assembly and was based on the Intel 8080 microprocessor. The Altair 8800 gained popularity among hobbyists and computer enthusiasts, marking a significant milestone in the history of personal computers.

MCQ Test: History of Computers - 1 - Question 4

Who is credited with inventing the first mechanical computer?

Detailed Solution for MCQ Test: History of Computers - 1 - Question 4

Konrad Zuse, a German engineer, is credited with inventing the first mechanical computer called the Z3 in 1941. It was the world's first fully automated, programmable computer.

MCQ Test: History of Computers - 1 - Question 5

Which computer was the first to use transistors instead of vacuum tubes?

Detailed Solution for MCQ Test: History of Computers - 1 - Question 5

TRADIC (Transistorized Airborne Digital Computer) was the first computer to use transistors instead of vacuum tubes. It was developed by the US Air Force in the late 1950s and was designed for use in aircraft.

MCQ Test: History of Computers - 1 - Question 6

The "Integrated Circuit" (IC) was invented by:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 6

The integrated circuit, also known as the microchip, was independently invented by Jack Kilby and Robert Noyce in the late 1950s. Their inventions paved the way for the development of modern computers and other electronic devices.

MCQ Test: History of Computers - 1 - Question 7

Which computer programming language was developed by Grace Hopper?

Detailed Solution for MCQ Test: History of Computers - 1 - Question 7

Grace Hopper, a pioneering computer scientist, developed COBOL (Common Business-Oriented Language) in the late 1950s. COBOL was designed for business applications and is still used today in many legacy systems.

MCQ Test: History of Computers - 1 - Question 8

The first commercially successful computer was:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 8

The UNIVAC I (Universal Automatic Computer I) was the first commercially successful computer. It was developed by J. Presper Eckert and John Mauchly in the early 1950s and was primarily used for scientific and business applications.

MCQ Test: History of Computers - 1 - Question 9

The first personal computer (PC) was introduced by:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 9

The first personal computer, known as the Apple I, was introduced by Apple Inc. in 1976. It was designed and built by Steve Wozniak and Steve Jobs and marked the beginning of the PC revolution.

MCQ Test: History of Computers - 1 - Question 10

The World Wide Web (WWW) was invented by:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 10

Tim Berners-Lee, a British computer scientist, invented the World Wide Web (WWW) in 1989 while working at CERN. He developed the HTTP protocol and HTML markup language, which revolutionized the way information is shared and accessed on the internet.

MCQ Test: History of Computers - 1 - Question 11

The first graphical web browser was called:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 11

Mosaic was the first widely used graphical web browser, developed by a team led by Marc Andreessen at the National Center for Supercomputing Applications (NCSA). It was released in 1993 and played a crucial role in popularizing the World Wide Web.

MCQ Test: History of Computers - 1 - Question 12

The first smartphone was introduced by:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 12

Nokia introduced the first smartphone called the Nokia 9000 Communicator in 1996. It was a combination of a mobile phone and a personal digital assistant (PDA) and set the stage for the modern smartphones we use today.

MCQ Test: History of Computers - 1 - Question 13

The term "cloud computing" refers to:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 13

Cloud computing refers to the practice of storing and accessing data and applications over the internet instead of on local physical servers or personal devices. It allows for scalability, flexibility, and remote access to resources.

MCQ Test: History of Computers - 1 - Question 14

The first computer virus was created in:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 14

The first computer virus, called the Creeper virus, was created in 1971 by Bob Thomas. It was a self-replicating program that displayed the message "I'm the creeper, catch me if you can!" on infected mainframe computers.

MCQ Test: History of Computers - 1 - Question 15

The concept of a "bit" (binary digit) was introduced by:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 15

Claude Shannon, an American mathematician and electrical engineer, introduced the concept of a "bit" in his groundbreaking paper "A Mathematical Theory of Communication" published in 1948. The bit represents the basic unit of information in computing.

MCQ Test: History of Computers - 1 - Question 16

The "Moore's Law" is related to:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 16

Moore's Law, named after Gordon Moore, co-founder of Intel, states that the number of transistors on a microchip doubles approximately every two years, leading to a doubling of processor speed. This observation has guided the development of the semiconductor industry for several decades.

MCQ Test: History of Computers - 1 - Question 17

The "ENIAC" computer was primarily used for:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 17

The ENIAC (Electronic Numerical Integrator and Computer) was primarily used for military calculations during World War II. It was developed by J. Presper Eckert and John Mauchly and played a significant role in ballistic calculations for the US Army.

MCQ Test: History of Computers - 1 - Question 18

The first computer mouse was invented by:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 18

Douglas Engelbart invented the computer mouse in 1964 while working at the Stanford Research Institute. His design incorporated a small device with two perpendicular wheels that allowed users to control a graphical user interface on a computer screen.

MCQ Test: History of Computers - 1 - Question 19

Which computer system introduced the concept of the graphical user interface (GUI)? Options:

Detailed Solution for MCQ Test: History of Computers - 1 - Question 19

The Xerox Alto, developed at Xerox Palo Alto Research Center (PARC) in the 1970s, introduced the concept of the graphical user interface (GUI). It featured a mouse-driven interface, windows, icons, and menus, which are now commonly used in modern computer systems. Although the Alto was not a commercial success, its ideas heavily influenced the development of subsequent computer systems like the Apple Lisa and Macintosh.

MCQ Test: History of Computers - 1 - Question 20

Which computer scientist is known as the "Father of the Internet"?

Detailed Solution for MCQ Test: History of Computers - 1 - Question 20

Vint Cerf, along with Bob Kahn, is often referred to as the "Father of the Internet" for their pioneering work on the development of the TCP/IP protocol, which forms the foundation of the modern internet. Their contributions in the 1970s enabled the creation of a global network of interconnected computers, revolutionizing communication and information exchange worldwide.

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