A.當(dāng)一個(gè)時(shí)間片運(yùn)行完畢，時(shí)鐘會(huì)產(chǎn)生一個(gè)中斷
B.當(dāng)一個(gè)時(shí)間片運(yùn)行完畢，會(huì)發(fā)生上下文切換，當(dāng)前進(jìn)程會(huì)放到ready隊(duì)列的隊(duì)尾
C.當(dāng)一個(gè)時(shí)間片運(yùn)行完畢，當(dāng)前進(jìn)程會(huì)主動(dòng)放棄CPU的使用權(quán)
D.CPU調(diào)度器會(huì)選擇ready隊(duì)列的隊(duì)列頭的進(jìn)程進(jìn)行分派