In a computer, the CPU is the small part that does the real work of following instructions — adding numbers, deciding what happens next, running programs. The letters stand for central processing unit.

In a computer在電腦裡 the CPU is the small part that does the real work of following instructions CPU是真正負責執行指令的那個小零件 adding numbers, deciding what happens next, running programs像是做加法、決定接下來要做什麼、執行程式 The letters stand for central processing unit這幾個字母代表central processing unit（中央處理器）

People who like computers talk about it a lot, and shops print CPU on boxes and ads.

People who like computers talk about it a lot喜歡電腦的人常常聊到它 and shops print CPU on boxes and ads店家也會把CPU印在盒子和廣告上

Though actually, a lot of people point at the whole tall box under the desk and call that the CPU, when that box also holds the memory, the power supply, and other pieces. The careful name for that box is the case, or just the computer.

Though actually不過事實上 a lot of people point at the whole tall box under the desk and call that the CPU很多人會指著桌子底下那個直立的大盒子，叫它CPU when that box also holds the memory, the power supply, and other pieces但那個盒子其實還裝了記憶體、電源供應器和其他零件 The careful name for that box is the case, or just the computer那個盒子比較正確的名稱是機殼，或直接叫電腦

Phones and tablets have a CPU too, but in everyday talk people more often say processor or chip. It is a technical word, but a very common one, and it is a little more formal than chip.

Phones and tablets have a CPU too手機和平板也有CPU but in everyday talk people more often say processor or chip但日常對話裡人們更常說processor或chip It is a technical word, but a very common one這是一個技術性的字，但也非常常見 and it is a little more formal than chip而且比chip稍微正式一點