Organization of Memory Device Modern memory has the same basic configuration as magnetic core memory although the rings have been replaced with electronic memory cells such as the D-Latch. The cells are arranged so that each …
Read More »Memory Organization & Hierarchy
Memory-Processor Interfacing
Memory-Processor Interfacing The previous topic presented the input and output lines for a memory device. These lines are shared across all of the devices that communicate with the processor. If you look at the electrical …
Read More »Memory Terminology
Memory Terminology There are many different purposes for memory in the operation of a computer. Some memory is meant to store data and programs only while the computer is turned on while other memory is …
Read More »Characteristic of Hard Drive
Characteristic of Hard Drive At the bottom of the hierarchy is long-term, high-capacity storage. This type of storage is slow making a poor choice for the processor to use for execution of programs and data …
Read More »Cache RAM
Cache RAM Even with increases in hard drive performance, it will never be practical to execute programs or access data directly from these mechanical devices. They are far too slow. Therefore, when the processor needs …
Read More »Registers
Registers At the top of the memory, the hierarchy is a set of memory cells called registers. A register is a group of latches that have been combined in order to perform a special purpose. …
Read More »