(Askeri) ESAS BİRLİK, İRTİBAT BİRLİĞİ: Bir taktik harekatta manevra ve harekatın planlanmasında ve icrasında esas olarak alınan birlik veya teşkil; esas unsur
When upgrading her computer she bought a new base unit but kept the screen, keyboard and mouse.
(Bilgisayar) A system unit, also known as a base unit, is the main body of a desktop computer, typically consisting of a metal or (rarely) plastic enclosure containing the motherboard, power supply, cooling fans, internal disk drives, and the memory modules and expansion cards that are plugged into the motherboard, such as video and network cards