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  • Category: Hardware

    What is the difference between RAM and ROM?


    Confused about what is RAM and what is ROM in a computer system? Understand the two concepts with clarity from our experts and know what function each does.

    I would like to know the difference between RAM and ROM in a computer system and its functional utility.
  • Answers

    2 Answers found.
  • Random Access Memory is a hardware device in the computing system. The data will remain as long as the computer is on. RAM will be there in Desktops, Laptops and Phones.
    Read-only Memory is a built-in memory where the data can only be read. We can't write on it. Latest generation smartphones will have these ROMs.
    A ROM is a non-volatile storage medium. It does not require a constant source of power to keep the information stored on it. A RAM is a volatile storage medium. It loses information it is holding when the power is turned off.
    A ROM chip is used in the startup process of a computer. A RAM is used in the normal operations of a computer.
    A RAM can be used to store multiple GB (gigabytes) of data, ranging from 1 to 256 GB. A ROM stores several MB (megabytes) of data, typically 4 MB or 8 MB.

    drrao
    always confident

  • RAM stands Random Access Memory and ROM stands for Read Only Memory. As name for ROM , it only used for Reading stored data. RAM is used for bot reading and writing.
    RAM is volatile which needs power and erases data once we switch off system. RAM directly relates to system operation to keep system fast. RAM uses cache and clears it once we switch it off, which means it just stores data temporarily. RAM as its directly operation with system is very fast compared to ROM and needs more power.
    ROM is used for storing data permanently and it doesn't need power to be on to store data. However we can not write data on it as on RAM, as its Read -Only. If we compare with RAM it is fast but not as RAM and needs less power.
    CPU can write down data or can access/operate data on RAM directly but not in ROM. If we consider cost, RAM is costly than ROM and RAM would be available in large size if we go for higher capacity compared to ROM.


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