Computer System Concepts

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Desktop Computer

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A desktop computer consists of input devices like a keyboard, mouse, scanner, and microphone, and output devices like a monitor, printer, and speaker.

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Lady Augusta Ada Lovelace is recognized as the first computer programmer.

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She is known for her contributions to early computer programming concepts.

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Computers play a significant role in banking.

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Banking applications include mobile banking, internet banking, ATM services, QR scans, and PhonePay.

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Analog computers operate on continuous data like pressure, temperature, and frequency.

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Analog computers process continuous data such as pressure, temperature, and frequency.

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The Slide Rule was invented in 1621.

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William Oughtred invented the Slide Rule, a device used for mathematical calculations.

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Joseph Marie Jacquard

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- Invented the Jacquard loom

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First General Purpose Computer

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- Analytical Engine designed by Charles Babbage

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ENIAC stands for Electronic Numerical Integrator and Computer.

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Built by John Mauchly and J. Presper Eckert in 1946, ENIAC was the first general-purpose electronic digital computer that could be programmed.

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NCC stands for National Computer Center.

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The NCC was established in Nepal in 2031 B.S.

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ICL 2950/10 was introduced in Nepal in 2038 B.S.

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It marked another milestone in the history of computers in Nepal.