what is the difference between primary memory and secondary memory pdf?
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Difference between Primary Memory and Secondary Memory. ... Primary memory is the main memory of the computer which can be directly accessed by the central processing unit, whereas secondary memory refers to the external storage device which can be used to store data or information permanently.
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Storage. 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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primary storage. Secondary storage data usually resides on devices with non-volatile memory (NVM), such as hard disk drives (HDDs), solid-state drives (SSDs), tape drives, optical media and cloud storage. The devices are typically used to protect data for DR or for long-term retention.
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There are two main types of RAM: Dynamic RAM (DRAM) and Static RAM (SRAM). ... It keeps data in the memory as long as power is supplied to the system unlike DRAM, which has to be refreshed periodically. As such, SRAM is faster but also more expensive, making DRAM the more prevalent memory in computer systems.
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KEY DIFFERENCE Primary memory is also called internal memory whereas Secondary memory is also known as a Backup memory or Auxiliary memory. ... Primary memory data is directly accessed by the processing unit whereas Secondary memory data cannot be accessed directly by the processor.
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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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They're stored in the C:\Windows\Minidump folder by default. Both types of dump files have the file extension . dmp. Even when your system is configured to create an kernel, complete, or automatic memory dump, you'll get both a minidump and a larger MEMORY.
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The memory of a computer is classified in the two categories primary and secondary memory. Primary memory is the main memory of the computer where the currently processing data resides. The secondary memory of the computer is auxiliary memory where the data that has to be stored for a long time or permanently, is kept.
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It cannot be processed directly by the CPU. It must first be copied into primary storage (also known as RAM). Secondary memory devices include magnetic disks like hard drives and floppy disks ; optical disks such as CDs and CDROMs ; and magnetic tapes, which were the first forms of secondary memory.
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The key difference between RAM and ROM is that RAM is basically a read-write memory whereas, ROM is a read only memory. RAM temporarily stores the data that have to be processed by CPU currently. ... RAM can be classified into static and Dynamic RAM. On the other hands, ROM can be classified into PROM, EPROM and EEPROM.
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KEY DIFFERENCE Primary memory is also called internal memory whereas Secondary memory is also known as a Backup memory or Auxiliary memory. Primary memory can be accessed by the data bus whereas Secondary memory is accessed by I/O channels.
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Answer: Physical memory is how much RAM you have installed in your computer. For example, if you have two 512 MB memory chips in your machine, you have a total of 1 GB of physical memory. ... Available memory refers to how much RAM is not already being used by the computer.
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It must first be copied into primary storage (also known as RAM). Secondary memory devices include magnetic disks like hard drives and floppy disks ; optical disks such as CDs and CDROMs ; and magnetic tapes, which were the first forms of secondary memory.
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Their main difference is their use of different: Now the microcontroller, RAM is mainly done when running data memory, FLASH is the main program memory, EEPROM is mainly used to save the program running some data that needs power-down is not lost. Details: ... 2, ROM-Read Only Memory read-only memory.
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DRAM is used for main memory, and SRAM is used for cache memory (both on and off chip). 4. What is the difference between DRAM and SRAM in terms of characteristics such as speed, size, and cost? DRAM is slower than SRAM, and DRAM tends to be larger and cheaper since it is simpler and smaller than SRAM.
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But the most important difference is that primary data is factual and original whereas secondary data is just the analysis and interpretation of the primary data. While primary data is collected with an aim for getting solution to the problem at hand, secondary data is collected for other purposes.
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Physical memory is RAM; Actually belongs to main memory. Logical address is the address generated by CPU. In paging,logical address is mapped into physical address with the help of page tables. Logical address contains page number and an offset address.