00843nam a2200205Ia 4500 CTU_221849 210402s9999 xx 000 0 und d 1.00 621.3916 W582 White, Ron How computers work Ron White ; illustrated by Timothy Edward Downs California Ziff-Davis Press Emeryville 1993 Sorcerers have their magic wands-powerful, potentially dangerous tools with a life of their own. Witches have their jamiliars- creatures disguised as household beasts that could, if they choose, wreak the witches' havoc. Thiết bị đầu vào máy tính,Computer input-output equipment Nguyễn An Khang,Hải Trung tâm Học liệu Trường Đại học Cần Thơ