Just as we have to use our brain to think something, in the same way computer also has to use its brain to think which we call computers memory in common language. Works to provide memory storage in computers. There are only 3 types of memory, one is temporary or primary and the other is permanent or secondary and the third is cache memory.
What is memory in computer and why is it important?
How many types of computer memory can be there?
There are mainly three types of computer memory.
1. Primary Memory
2. Secondary Memory
3. Cache Memory
Primary memory - Primary memory is also called main memory. Its memory cannot be expanded. Its memory is fixed but in this you have to face the same problem, your data is not permanent in it, your data gets permanently deleted when the power goes out. But in terms of speed, it is faster than secondary memory. That is why primary memory is also called volatile memory. It is of temporary type.
Abbreviations of Primary memory RAM Types
RAM - Read Access Memory
SRAM - Static read-only memory
DRAM - Dynamic read-only memory
ROM Types
ROM - Read only memory - This is a type of permanent memory. Because the content that is filled in it is only filled at the time of its manufacture, the information stored in it can never be deleted. Even if the power goes out, the information entered is never lost. ROM contains mathematical functions such as sine, cosine, logarithm, square root, exponential, and so on.
PROM - Programmable read-only memory - Like ROM, information is written one time and the user cannot change it.
EPROM - Erasable programmable read-only memory - This is editable memory, that is, we can delete the data and fill it with new data.
EEPROM - Electrically Erasable Programmable Read Only Memory
Secondary memory - Secondary memory is needed to expand memory. It is a type of nonvolatile memory. That is, when the power goes out, the data remains in the same place you left it. Pen drives, CD-ROMs, DVDs, memory cards, and other similar devices are examples.
Advantages of secondary memory?
When your primary memory becomes overburdened with data, we move it to secondary memory to avoid the computer hanging problem, because it is necessary for your primary memory to remain empty because your computer will run faster as long as it is empty. Hard disk and pen drive are two examples.
Difference between Static Ram and Dynamic Ram
Even when the power is turned on, dynamic RAM loses its stored information in a very short period of time. This time can also be expressed in milliseconds. As a result, dynamic RAM must be refreshed every 2 milliseconds. It is significantly less expensive than static RAM. However, when it comes to power consumption, static RAM outperforms dynamic RAM. There is no need to repeatedly refresh the static RAM circuit.
Cache memory - When we talk about the speed of memory, the name of cache memory comes at the top. It is found in cpu. This is a temporary storage memory and also volatile, meaning your data will also be deleted when the power is turned off. Sometimes it is also known as CPU memory.
Completion
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Additionally;
What is the importance of computer memory explain in 2 points?
RAM enables your computer to perform many common tasks, such as loading applications, browsing the internet, editing a spreadsheet, or playing the most recent game. Memory also allows you to switch between tasks quickly, remembering where you are in one task when you switch to another.
Which are the important memory of the computer?
RAM (random access memory) is one of the most important components in determining the performance of your system. RAM provides a temporary storage and access location for applications. It saves the information that your computer is actively using so that it can be quickly accessed.
What is the importance of a memory unit?
It stores the data and instructions required by the Central Processing Unit (CPU). Before a program can run, it must be loaded from storage into memory. This provides direct CPU access to the computer program. Every computer requires memory.