"physical memory" meaning in English

{
  "antonyms": [
    {
      "word": "virtual memory"
    }
  ],
  "etymology_text": ": physical memory < → δείτε τις λέξεις physical και memory",
  "forms": [
    {
      "form": "physical memory"
    },
    {
      "form": "en-noun-ies",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "physical memory",
      "raw_tags": [
        "ενικός"
      ]
    },
    {
      "form": "physical memories",
      "raw_tags": [
        "πληθυντικός"
      ]
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Πληροφορική (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "φυσική μνήμη, η πραγματική μνήμη, κύρια μνήμη του υλισμικού (hardware)"
      ],
      "id": "el-physical_memory-en-noun-ENK7duRq",
      "raw_tags": [
        "πληροφορική"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "internal memory"
    },
    {
      "word": "main memory"
    },
    {
      "word": "primary storage"
    },
    {
      "word": "prime memory"
    }
  ],
  "word": "physical memory"
}

{
  "antonyms": [
    {
      "word": "virtual memory"
    }
  ],
  "etymology_text": ": physical memory < → δείτε τις λέξεις physical και memory",
  "forms": [
    {
      "form": "physical memory"
    },
    {
      "form": "en-noun-ies",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "physical memory",
      "raw_tags": [
        "ενικός"
      ]
    },
    {
      "form": "physical memories",
      "raw_tags": [
        "πληθυντικός"
      ]
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Πληροφορική (αγγλικά)"
      ],
      "glosses": [
        "φυσική μνήμη, η πραγματική μνήμη, κύρια μνήμη του υλισμικού (hardware)"
      ],
      "raw_tags": [
        "πληροφορική"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "internal memory"
    },
    {
      "word": "main memory"
    },
    {
      "word": "primary storage"
    },
    {
      "word": "prime memory"
    }
  ],
  "word": "physical memory"
}