A computer is an electronic device that processes data and performs tasks according to a set of instructions called a program.
Key Components of a Computer:
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Hardware – The physical parts:
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Central Processing Unit (CPU): The "brain" that performs calculations and executes instructions.
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Memory (RAM): Temporarily stores data for quick access.
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Storage (HDD/SSD): Permanently stores data and software.
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Input devices: Like keyboards and mice, used to enter data.
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Output devices: Like monitors and printers, used to display results.
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Software – The programs and operating systems that tell the hardware what to do.
What Can a Computer Do?
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Perform calculations
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Store and retrieve data
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Run software applications (like word processors, games, or web browsers)
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Communicate over networks (like the internet)
Computers are used in nearly every part of modern life—from phones and cars to businesses and scientific research.
