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History of Computers Video Lecture | SBI PO Prelims & Mains Preparation - Bank Exams
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FAQs on History of Computers Video Lecture - SBI PO Prelims & Mains Preparation - Bank Exams
| 1. What is the history of computers? |  |
Ans. The history of computers dates back to the early 19th century when Charles Babbage conceptualized the idea of a mechanical computer. However, the first fully functional digital computer, known as the Electronic Numerical Integrator and Computer (ENIAC), was developed during World War II in the 1940s. Since then, computers have evolved significantly, transitioning from large and expensive machines to smaller, more affordable, and powerful devices that we use today.
| 2. Who invented the first computer? | |
Ans. The first computer was invented by Charles Babbage, an English mathematician and inventor. Babbage's concept of a mechanical computer, called the Analytical Engine, laid the foundation for modern computers. Although Babbage was unable to build the Analytical Engine during his lifetime, his designs and ideas became the basis for the development of subsequent computers.
| 3. What were the early computers like? | |
Ans. Early computers were enormous in size and had limited processing power compared to today's computers. They were mainly used for complex calculations and data processing tasks. These computers relied on vacuum tubes and punch cards for input and output. Some notable early computers include the ENIAC, UNIVAC, and IBM 650, which were bulky, expensive, and required specialized knowledge to operate.
| 4. When did personal computers become popular? | |
Ans. Personal computers gained popularity in the late 1970s and early 1980s. The introduction of affordable microprocessors, such as Intel's 8080 and Motorola's 6800, revolutionized the computer industry. Companies like Apple and IBM played a significant role in bringing personal computers to the mainstream market. The release of the Apple II and IBM PC in the late 1970s and early 1980s respectively marked a turning point, making computers accessible and usable for individuals at home and in offices.
| 5. How have computers evolved over time? | |
Ans. Computers have evolved tremendously over time. They have become smaller, faster, and more powerful while also becoming more affordable. The integration of microprocessors, the invention of graphical user interfaces (GUI), and the development of the internet have significantly transformed the computer industry. Today, computers are not only used for calculations and data processing but also for communication, entertainment, education, and various other tasks. The emergence of laptops, tablets, and smartphones has further diversified the range of computing devices available to consumers.
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