เส้น, บทคัดย่อ, พื้นหลัง, วงจร, คอมพิวเตอร์, ทางเข้า, ไวรัสคอมพิวเตอร์, ศูนย์ควบคุมข้อมูล, ติดตาม, พีซี, ข้อต่อประสาน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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