A number that is assigned to each byte in a computer��s memory that the CPU uses to track where data and instructions are stored in RAM. Each byte is assigned a memory address whether or not it is being used to store data. The computer��s CPU uses the address bus to communicate which memory address it wants to access, and the memory controller reads the address and then puts the data stored in that memory address back onto the address bus for the CPU to use.
- memory bus
Another name for the system bus.
- memory card
An electronic flash memory storage disk commonly used in consumer electronic devices such as digital cameras, MP3 players, mobile phones, and other small portable devices. Types of memory cards include PCMCIA, CompactFlash, SD Card, MiniSD, xD-Picture Card and others. Memory cards are usually read by connecting the device containing the card to your computer, or […]
- memory effect
The property of nickel-cadmium (NiCad) batteries that causes them to lose their capacity for full recharging if they are discharged repeatedly the same amount and then recharged without overcharge before they have fully drained. The term derives from the fact that the battery appears to have a memory for the amount of charging it can […]
- memory keys
On a memory module keys are physical notches on the module that prevent the memory from being incorrectly installed in a computer system. Memory keys also prevent the memory from being installed into a incompatible computer system.
- memory leak
A bug in a program that prevents it from freeing up memory that it no longer needs. As a result, the program grabs more and more memory until it finally crashes because there is no more memory left.