HardwareCâu 21 / 100
Which component temporarily stores data the CPU is actively using and loses its contents when powered off?
a.System RAM
b.Hard drive
c.BIOS ROM
d.Optical disc
Giải thích
System RAM is volatile memory that holds active program data and is cleared when power is removed. Hard drives and optical discs are non-volatile storage, and BIOS ROM retains firmware.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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