100 % Important Question for NET Paper 1 Based on Computer Memory & Speed YouTube Lecture Handouts

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100% Important Question for NET Paper 1: Based on Computer Memory & Speed - CPU Register, Cache, RAM
Computer Memory
  • CPU register (closest to CPU in ALU) > cache (in CPU) > main (ram in motherboard) > secondary (hard disk – distance)
  • CPU Register – super fast, super expensive, tiny
  • Cache – faster, expensive, small capacity
  • Physical memory – RAM, SD RAM DDR RAM – price reasonable, fast, average capacity
  • Solid State Memory – SSD, Flash Drive – average speed, average capacity – non volatile
  • Mechanical drive – virtual file-based memory – slow, cheap, large capacity
  • Cache and RAM is volatile – after power is turned off it is no longer into existence.

Mayank