The secondary memory of the computer is ancillary memory, where the data that has to be stored for a long time or is kept permanently. Primary storage (also known as main memory, internal memory or prime memory), often referred to simply as memory, is the only one directly accessible to the CPU.The CPU continuously reads instructions stored there and executes them as required. RAM and ROM are both examples of primary memory. Primary memory is usually volatile. in size. murali. Memory is the most important of the computer.memory is the storage location of the computer.it is used to store the data for later use. It may be random access memory (RAM), cache memory or data buses, but is primarily associated with RAM. Such memory is called secondary memory. 4. Primary memory is known a computer’s primary memory. Random Access Memory (RAM) is volatile memory and Read Only Memory (ROM) is non-volatile memory. Main memory is a primary memory, which is volatile such as RAM and secondary memory is non volatile like hard disk. Memory stores data inside itself for retrieval. And secondary memory:-Is called as perment or nonvolatile memory . It is very slow in contrast to primary memory. When you switch on the computer the data and instructions from the hard disk are stored in … The data is then processed by the central processing unit. Anonymous. primary memory is RAM, ram is volatile and is used to store information while it is being processed. 4. ROM stands for “Read-Only Memory” while RAM stands for “Random Access Memory”. It may also refer to removable storage media, such as USB flash drives , CDs , and DVDs . Accessing data from primary memory is faster. Fig2: Classification of Primary Memory and Secondary Memory. Examples are cache, RAM, and ROM.Content in the primary memory lost once the computer system is turned off.Secondary memory is usually somewhat slower and is used for permanent storage ofinformation. Characteristics of Secondary Memory. Secondary memory devices are nonvolatile in nature and data does not disappear when the computer turned off and on again. Secondary memory is a storage device that is not accessible directly by the CPU. Difference between Primary and Secondary Memory. Primary memory is computer memory that is accessed directly by the CPU . It is used by the system to perform operations whileprograms are running. 9. Generally, they do not spontaneously use organizational strategies as extensively as do younger adults,… These … A memory is described as a part that is similar to the brain system that allows one to hold up instructions and data. Both RAM and ROM are random access memories and both can be used for reading purposes. Secondary memory is slower. 3. The Secondary is known as backup memory. ROM: Unlike RAM, Read Only Memory (ROM) is both a non-volatile and permanent form of primary storage. The data has to be initially copied to primary memory then only it can be processed by CPU. Primary is known as main memory. Primary memory. Secondary memory devices are less costly and larger in size. Secondary memory is also known as External memory or Auxiliary memory; In secondary memory, data is first transferred to main memory and then routed to processing unit. Compared with younger adults, older adults appear to be deficient in these processes. Primary memories are made of semiconductors. In computing operations, secondary memory is accessed only by the primary or main memory and later transported to the processor. Secondary memory are used to store programs and data on a permanent basis. 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