Difference between ram and rom

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difference between ram and rom

There is some obvious difference between ram and rom. The difference revolves around the utilization of ROM and RAM chips, storage capacity and limitations, and physical size.

Choose an association below to learn about the differences and other information about ROM and RAM.

Hammer Vs ROM RAM and ROM are independent memories of PC. Smash is the instantaneous capacity, and ROM is the stable memory of the PC. There are many differences between RAM and ROM, but the basic difference is that RAM is only a combined memory, while ROM is conventional memory.

With the help of the survey chart, I talked about some checks in RAM and ROM, the instructions are as follows.

Content: RAM and ROM

  • Correlation graph
  • definition
  • Key differences

Correlation graph

  • Reasons for comparing RAM ROM
  • Basically this is a meticulous writing memory. It is only regarded as a memory.
  • The purpose is to temporarily store the information that the CPU must currently prepare. It stores the guidelines required during the PC boot.
  • Volatility is an unpredictable memory. It is a non-volatile memory.
  • Represents random access memory. Read-only memory.
  • Modify can modify the data in RAM. The data in the ROM cannot be changed.
  • The capacity RAM size ranges from 64 MB to 4GB. ROM is less than RAM.
  • Cost RAM is expensive memory. ROM is also cheaper than RAM.
  • Types of type RAM are static RAM and dynamic RAM. The type of ROM is PROM, EPROM, EEPROM.

The meaning of RAM

Amazing Grand Slam is an arbitrary access to memory. This means that the CPU can legally reach any address area of ​​the RAM memory. Pummel is a fast open memory for PC. It comes with capacity data.

The crush is an unusual memory. Crush will store the data until it is forced to open. When the CPU power is interrupted, all data in the RAM will be cleared. The current data that must be prepared must be in RAM. The RAM limit is limited to 64 MB to 4 GB.

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Slam is the fastest and most expensive memory in the PC. It is the memory of PC’s careful reading. The processor can carefully read the instructions in RAM and then combine the results into RAM. The information in RAM can be changed.

There are two types of RAM, static RAM and dynamic RAM.

Static RAM is a kind of static RAM that needs to continuously improve the ability to store information in it. It is faster and more expensive than DRAM. It is used as a backup memory for the PC.

The dynamic RAM should be restored to preserve the information it has. It is getting slower and slower than static RAM.

The meaning of ROM

ROM is a read-only memory. In any case, the information in this must be carefully read by the CPU and cannot be changed. The CPU cannot legally obtain the ROM memory, and the information must be moved to this before the CPU can obtain the information from this.

This will store the direction the PC needs in the boot process (the way the PC is booted). The contents of the ROM cannot be changed. This is a volatile memory, regardless of whether the CPU power is interrupted, the data in the ROM will be retained.

The constraints of ROM are much smaller than those of RAM. It becomes slower and slower than the constraints of RAM. There are many types of ROM, especially:

PROM: Programmable ROM, usually changed immediately by the customer.

EPROM: erasable and programmable ROM, you can use the bright axis to erase the contents of the ROM and can copy ROM.

EEPROM: Electrically Erasable Programmable ROM, which is often deleted and re-hashed about 10,000 times by electricity.

The main difference between RAM and ROM memory

The main difference between RAM and ROM is that RAM is basically a read-only combined memory, while ROM is a common read-only memory.

Smash accidentally stores information that must now be processed by the CPU. This stores the guidelines required during the boot process in different ways.

  • Smash is an unstable memory. In any case, the ROM is a non-volatile memory.
  • Smash stands for random access memory, and ROM stands for read-only memory.
  • From one perspective, the information in RAM can be effectively adjusted, while the information in ROM is almost unchanged.
  • RAM can be expanded from 64 MB to 4 GB, and ROM is smaller than RAM in each case.
  • Slams are more expensive than ROM.
  • Slam can be arranged in static and dynamic RAM. ROM can be divided into PROM, EPROM and EEPROM in different ways.
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Unstable and unpredictable memory

Slam is an unpredictable memory, which means that the data temporarily stored in the module will be deleted when the PC is restarted or shut down. Since the data is stored on the transistor electrically, when no current flows, the information will disappear. Every time you need documents or data, you can restore them from the PC’s memory board or the web The information is stored in RAM, so whenever you start changing from one program or page to the next, you can access the data instantly. The moment the PC is turned off, the memory will be cleared until the process is started again. The client can effectively change, repair, or expand unpredictable memory. See if your PC needs more memory.

ROM is an unpredictable memory, which means that data is always stored on the chip. The memory does not rely on current to store information but uses double codes to keep information in contact with a single unit. Unpredictable memory is used for the unchanged part of the PC, such as the basic startup part of the product or the firmware guidelines for running the printer. Killing the PC will not have any effect on the ROM. The client cannot change the unpredictable memory.


What is the difference between RAM and ROM?

There is one major difference between read-only memory (ROM) and random-access memory (RAM) chips: ROM can save data without power, while RAM cannot. Essentially, ROM is used for permanent storage and RAM is used for temporary storage.

What is the difference between RAM and ROM with example?

The ROM chip is mainly used for the startup process of the computer, and this chip is used for normal operations after the operating system is loaded. For example, the ROM chip is usually used to store the BIOS program on the computer motherboard.

Why does a computer need both RAM and ROM?

A computer needs at least some ROM (or similar memory, such as flash memory), because it needs to execute some code when it is turned on so that the operating system can be loaded from the disk. The RAM requirements are obvious: programs and data need to be saved. The content stored in ROM is different from the content in RAM.