Computer memory refers to the storage of programs or data on a temporary or permanent basis. Memory devices can be classified into two distinct groups: primary and secondary. Memory chips may be ...

Upgrading the memory in a computer is usually a straightforward case of swapping out a few DIMMs or SODIMMs, with the most complex task being to identify the correct type of memory from the many ...

Synchronous SRAM is synchronized with the system clock. Asynchronous SRAM is not. Read-only memory (ROM) retains its contents even when the computer is turned off. ROM types for PCMCIA memory cards ...

The most common type of computer memory and generally available today in the form of synchronous dynamic RAM chips (see SDRAM). Most all volatile memory is dynamic RAM because it uses only one ...

Most desktop and laptop computers use RAM chips that hold eight bits per byte, while high-end servers and workstations typically have nine bits. The ninth bit is a parity bit for detecting errors.