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Primary memory (RAM, cache memory) is fast and temporary, used for processing tasks. Secondary memory (hard drives, SSDs) is slower but permanent, used for storing data. We need both because primary memory ensures fast processing, while secondary memory provides long-term data storage. Related Questions: What is the difference between data and information? Briefly explain the … Read more
In radio communication, information is first converted into electrical signals, which are then modulated onto radio waves. These waves travel through the air and are received by an antenna, which converts them back into electrical signals for processing. Related Questions: What is the difference between data and information? What is the difference between primary and … Read more
Data consists of raw facts and figures without any meaningful context, whereas information is processed and organized data that provides meaningful insights. Related Questions: Physics 10 MCQ Simple harmonic motion and waves Simple harmonic motion and waves-NFE Give an example of vibratory motion which is not simple harmonic motion. Give a reason for your selection. … Read more