Hard drive. Data is pulled from the drive and stored into the memory for quick access.
Very fast memory used to store data or instructions between the CPU and regular memory is called cache.
A storage device is used to store data when data is not being used in memory.
A storage device is used to store data when data is not being used in memory.
Memory
The small memory units used to store intermediate data, instructions, and results during processing are called "registers." Registers are located within the CPU and provide fast access to data that the processor needs to execute instructions. They hold temporary data that is actively being used by the CPU, which enhances the speed and efficiency of computations.
Memory
chips with memories are worrying. don't eat them or they will lose their memory!
Storage device
A hardware device, such as a hard disk or floppy disk, used to record and store data.
Data transfer instructions in the 8051 microcontroller are used to move data between registers, memory, and I/O ports. Key instructions include MOV (to transfer data between registers or memory), MOVC (to move data from code memory), and MOVX (to access external data memory). These instructions facilitate the manipulation and transportation of data within the microcontroller's architecture, enabling various operations in embedded applications.
Memory cache stores frequently used instructions and data on a computer. Cache memory is stored on a memory chip in an area of the RAM.
Registers: Fastest and smallest memory, typically located within the CPU for immediate access to data. Cache: Small and faster memory located close to the CPU, used to store frequently accessed data for quick retrieval. Main Memory (RAM): Larger and slower memory that holds data and instructions currently being processed by the CPU. Secondary Storage (Hard Drive, SSD): Largest and slowest memory that stores data persistently, even when the device is powered off.