"base memory" meaning in English

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  "lang_code": "en",
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        "The first 640 kilobytes of RAM (random access memory) in an IBM-compatible PC."
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          "random access memory",
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        "(computing) The first 640 kilobytes of RAM (random access memory) in an IBM-compatible PC."
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          "sense": "first 640 kilobytes of RAM",
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        "The amount of RAM installed on a new computer, before any optional upgrades."
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        "(computing) The amount of RAM installed on a new computer, before any optional upgrades."
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  "word": "base memory"
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        "The first 640 kilobytes of RAM (random access memory) in an IBM-compatible PC."
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        "(computing) The first 640 kilobytes of RAM (random access memory) in an IBM-compatible PC."
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  "synonyms": [
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  "word": "base memory"
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