Hi pupil here's your answer ::
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[tex]\boxed{Primary\:Memory:}[/tex]
● Storage is limited.
● Mainly volatile in nature.
● Can be directly accessed by the CPU.
●Priceier
[tex]\boxed{Secondary\:Memory:}[/tex]
● Storage capacity is unlimited.
● Non-Volatile in nature.
●Cannot be directly accessed by the CPU.
● Cheaper compared to primary memory.
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Hope this helps. . . . . . ☺☺