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π₯οΈ Hardware & Devices
RAM & Memory
Random Access Memory β the workspace of a computer; data disappears when power is off
USA πΊπΈ 1968 Hardware & Devices
Key Facts
- 1
RAM (Random Access Memory) stores data actively being used; volatile β loses data when power off
- 2
DRAM invented by Robert Dennard (IBM, 1968); modern DDR5 RAM operates at 4,800β8,400 MT/s
- 3
Contrast with storage (HDD/SSD): RAM is 100β1,000Γ faster but loses all data when power is cut
π‘ Did you know? DRAM was invented by Robert Dennard at IBM in 1968; 1KB of RAM cost $1,000 then β now 1TB costs $30
Quick Reference
Category
Hardware & Devices
Country
πΊπΈ USA
Year / Era
1968
About
Random Access Memory β the workspace of a computer