english: They've tried things like choosing something at random or applying what's called the "first-in, first-out principle," which means removing the item which has been in the memory for the longest.
non_english: Rastgele nesneler seçmeyi veya "ilk giren ilk çıkar prensibi" yani hafızada en uzun zamandır bulunan kalemi kaldırmak gibi birkaç farklı strateji denediler.