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This article is to share with you about the difference between internal memory and external memory in the computer. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Differences: 1, the speed, the internal memory is at least 100 times faster than the external memory; 2, the memory capacity is generally only a few G, that is, 16G, 32G, etc., while the external memory, such as the hard disk, is just a few; 3, if the memory is turned off and power is off, all the data will be lost, and the external memory will not be affected, and the data will always be there.

Internal memory refers to the main memory of the computer and the cache cache located between the CPU and the main memory. External memory refers to the auxiliary memory of the computer, including hard disk, floppy disk, optical disc and so on.

Internal memory is mainly used to temporarily store instructions and data being used by CPU, which is most closely related to CPU. Because the programs and data it stores need to be used immediately, it requires fast access, which is usually composed of semiconductor memory. CPU fetches instructions and stores data directly from the main memory. The information is not saved after a power outage.

The external memory is used to store the information that does not need to be used immediately, and then exchange data with the main memory in batches once it is needed. It exists as the backup and supplement of the main memory and is the external equipment of the host. It is characterized by large capacity and low cost, and can usually save information after a power outage. it is a "non-volatile" memory, and most of the storage media can store information offline.

There are three indicators to measure memory: capacity, speed and price per bit. But they are all computer storage systems, and a storage layer is formed between them, which on the whole makes the computer have a speed similar to memory and a capacity similar to external memory.

The difference between internal memory and external memory

1. Different speeds. Memory is at least a hundred times faster than external memory. The fastest external memory is the hard disk and the slowest is the floppy disk.

2. The capacity is different. The memory capacity is generally only a few gigabytes, and the large ones are 16G, 32G, etc., while external memory, such as hard disk, is just a few T.

3. The volatility is different. If the memory is turned off and the power is off, all the data will be lost, and the external memory will not be affected, and the data will be there all the time.

Thank you for reading! This is the end of the article on "what's the difference between internal memory and external memory in the computer". I hope the above content can be of some help to you, so that you can learn more knowledge. If you think the article is good, you can share it for more people to see!

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