Company LOGO Memory Presented By : 0228569 0228569 0523123 0323333.

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Presentation transcript:

Company LOGO Memory Presented By :

Memory 1. Short-term Memory RAM 2. Long - term Memory 3. Capacity limitations 4. Access methods 5. Usability Engineering goals and measurement and problems with 5. Usability Engineering goals and measurement and problems with

Short-Term Memory (STM) Iconic Memory Working Memory Acoustic Memory Random Access Memory RAM

Long - term Memory Long - term Memory Optical disk Magnetic disk CD ROM WORM ERASABLE Floppy Disk Hard Disk Removable Cartridge Optical disk Magnetic disk

Capacity limitations 64 MB 128 MB256 MBOr More RAM can be divided into main RAMvideo RAM

Access methods RAM is called "random access" ROM Main RAM static RAM (SRAM) and dynamic RAM (DRAM).

Usability Engineering  Usability Engineering  Goals  Measurement And  Problems with Usability

Questions Any