"NOP sled" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "nop",
        "3": "",
        "4": "no operation"
      },
      "expansion": "nop (“no operation”)",
      "name": "m"
    }
  ],
  "etymology_text": "See nop (“no operation”).",
  "forms": [
    {
      "form": "NOP sleds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "NOP sled (plural NOP sleds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Programming",
          "orig": "en:Programming",
          "parents": [
            "Computing",
            "Software engineering",
            "Technology",
            "Computer science",
            "Engineering",
            "Software",
            "All topics",
            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A series of identical values in memory that instruct the CPU to take no action and proceed to the next instruction, used in shellcode etc. to increase the chances of any random instruction access executing the sequence that follows."
      ],
      "id": "en-NOP_sled-en-noun-k5oBDd2s",
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "CPU",
          "CPU"
        ],
        [
          "shellcode",
          "shellcode"
        ],
        [
          "random",
          "random"
        ]
      ],
      "raw_glosses": [
        "(programming) A series of identical values in memory that instruct the CPU to take no action and proceed to the next instruction, used in shellcode etc. to increase the chances of any random instruction access executing the sequence that follows."
      ],
      "synonyms": [
        {
          "word": "NOP slide"
        }
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "word": "NOP sled"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "nop",
        "3": "",
        "4": "no operation"
      },
      "expansion": "nop (“no operation”)",
      "name": "m"
    }
  ],
  "etymology_text": "See nop (“no operation”).",
  "forms": [
    {
      "form": "NOP sleds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "NOP sled (plural NOP sleds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Programming"
      ],
      "glosses": [
        "A series of identical values in memory that instruct the CPU to take no action and proceed to the next instruction, used in shellcode etc. to increase the chances of any random instruction access executing the sequence that follows."
      ],
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "CPU",
          "CPU"
        ],
        [
          "shellcode",
          "shellcode"
        ],
        [
          "random",
          "random"
        ]
      ],
      "raw_glosses": [
        "(programming) A series of identical values in memory that instruct the CPU to take no action and proceed to the next instruction, used in shellcode etc. to increase the chances of any random instruction access executing the sequence that follows."
      ],
      "synonyms": [
        {
          "word": "NOP slide"
        }
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "word": "NOP sled"
}