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The operating system (OS) manages hardware components such as the memory and disks. Thus, application software such as web browsers and word processors must obtain permission from the OS to use the hardware. In the past, only computers needed an OS. However, nowadays, OSs are widely used in various devices.… Continue reading →
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Desktop, laptop, netbook computer, and PC are all names for computers. Why do computers have so many different names? Back when standard computers were so big that they could fill a room, desktop computers were known as minicomputers. The word “mini” was not a particularly accurate descriptor, but given the… Continue reading →
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“Server” is the computer that provides online services. Computers can be divided into two categories. One category is designed for individuals, while the other is designed for companies that provide online services. What are online services? I think the answer to that question depends on the companies. For example, an… Continue reading →


