what is the difference between a hard drive and ram?
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Difference between RAM and HDD. ... RAM is used to store computer programs and data that CPU needs in real time. RAM data is volatile and is erased once computer is switched off. HDD, hard disk has permanent storage and it is used to store user specific data and operating system files.
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The main difference between an internal hard drive and an external hard drive is location. While internal hard drives are built-in to your desktop computer or laptop, external drives are not. All computers need an internal drive to operate. Within the drive, files, data and media are stored.
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However, the Random Access Memory (RAM) is a temporary storage while the hard drive is the permanent computer storage, it lets you store data for a very long time, and its capacity is measured in Terabytes (TB) or Gigabytes (GB).
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RAM equals the memory (or memory bar) of the computer, while ROM is the device's internal storage, equaling the hard disk of the computer. The bigger the RAM, the more software the phone runs smoothly; While the bigger the ROM, the more data it can store. Usually, a phone with big RAM is not easy to get stuck.
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Generally, the more RAM your system has, the larger the digital countertop you have to work on and the faster your programs will run. ... However, adding RAM is a better solution because your processor can read data from RAM much faster than from a hard drive.
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Random access memory, or RAM, is how your computer opens, reads and runs the software you use, from your operating system to PC games. RAM modules are often measured in megabytes (MB) and gigabytes (GB). When it comes to memory, 1,024 MB equals 1 GB, so 512 MB of RAM is half as much as 1 GB.
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SSD storage is much faster than its HDD equivalent. HDD storage is made up of magnetic tape and has mechanical parts inside. They're larger than SSDs and much slower to read and write.
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Pagefile. RAM is a limited resource, whereas for most practical purposes, virtual memory is unlimited. There can be many processes, and each process has its own 2 GB of private virtual address space.
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RAM is Random Access Memory. ROM is Read Only Memory. RAM is the memory available for the operating system, programs and processes to use when the computer is running. ROM is the memory that comes with your computer that is pre-written to hold the instructions for booting-up the computer.
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RAM is used to store computer programs and data that CPU needs in real time. RAM data is volatile and is erased once computer is switched off. ROM have prerecorded data and it is used to boot computer. RAM data is static and remains in the computer even if computer is switched off.
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The Difference Between Memory and Storage. Your computer's main memory is called RAM. You can think of it as a workspace the computer uses to get work done. ... There's also storage: a hard disk drive or solid state drive where data is recorded and can stay indefinitely, to be recalled as necessary.
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Whereas memory refers to the location of short-term data, storage is the component of your computer that allows you to store and access data on a long-term basis. An important distinction between memory and storage is that the former clears when the computer is turned off. ...
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RAM is found in both SSD and HDD systems. One of the key characteristics of RAM is that it is much faster than a hard disk drive or other long term storage device, which means that the computer is not kept waiting for data to process. The simple answer to the question "why do you need RAM?" is: speed.
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RAMDisk is a program that takes a portion of your system memory and uses it as a disk drive. The more RAM your computer has, the larger the RAMDisk you can create. ... 10 times faster reading and writing speed than your SSD, and 50 times faster than your HDD.
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Hard disk refers to the data storage elements themselves. Hard drive and hard disk drive refer to the data storage elements plus all the electronics that support, or drive, the reading and writing of data to/from storage. ... The difference between hard drive and hard disk drive is that the former is more concise.
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RAM is orders of magnitude faster than an SSD. ... A relatively fast SSD may achieve real-world write speeds of 456MB/sec, though. The theoretical maximum speed of RAM is in its PC number, so a module of PC3-12800 memory can transfer 12,800MB/sec--roughly 30 times faster than the real world performance of an SSD.
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Originally Answered: What are the similarities and differences between RAM, ROM, and hard drives? The only similarity between the three is that they are means to hold data. Now, RAM is Random Access Memory. this means it can be read and written to by programs.