A PC's CPU, RAM and graphics card need to be upgraded over time, but which upgrade is most beneficial and how much does it ...

(1) A printed circuit board containing memory chips that is plugged into a socket within the computer. (2) A credit-card-sized module that contains memory chips and battery. See memory card.

Static RAM (SRAM, S-RAM) is used for high-speed registers, caches and relatively small memory banks such as a frame buffer on a graphics card. In contrast, the main memory in a computer is ...

A special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory (or in the past these slots have been used to add some missing features such as Wi-Fi ...