Question

3. What is cache memory? Write the difference between
main memory and auxilliary memory.
​

Answer 1

$\huge{\mathcal{\orange{A}\green{n}\pink{s}\blue{w}\purple{E} \red{r}}}$

$\blue { \tt{</em></strong><strong><em>CACHE</em></strong><strong><em> </em></strong><strong><em>\</em></strong><strong><em>:</em></strong><strong><em>MEMORY</em></strong><strong><em>:-}}$

• ᴄᴀᴄʜᴇ ᴍᴇᴍᴏʀʏ ɪs ᴀɴ ᴇxᴛʀᴇᴍᴇʟʏ ғᴀsᴛ ᴍᴇᴍᴏʀʏ ᴛʏᴘᴇ ᴛʜᴀᴛ ᴀᴄᴛs ᴀs ᴀ ʙᴜғғᴇʀ ʙᴇᴛᴡᴇᴇɴ ʀᴀᴍ ᴀɴᴅ ᴛʜᴇ ᴄᴘᴜ. ɪᴛ ʜᴏʟᴅs ғʀᴇǫᴜᴇɴᴛʟʏ ʀᴇǫᴜᴇsᴛᴇᴅ ᴅᴀᴛᴀ ᴀɴᴅ ɪɴsᴛʀᴜᴄᴛɪᴏɴs sᴏ ᴛʜᴀᴛ ᴛʜᴇʏ ᴀʀᴇ ɪᴍᴍᴇᴅɪᴀᴛᴇʟʏ ᴀᴠᴀɪʟᴀʙʟᴇ ᴛᴏ ᴛʜᴇ ᴄᴘᴜ ᴡʜᴇɴ ɴᴇᴇᴅᴇᴅ.

$\red { \tt{mAIN \:MEMORY:-}}$

• ᴛʜᴇ ᴍᴀɪɴ ᴍᴇᴍᴏʀʏ ɪs ᴅᴇғɪɴᴇᴅ ᴀs ᴛʜᴇ ᴄᴇɴᴛʀᴀʟ sᴛᴏʀᴀɢᴇ ɪɴ ᴀ ᴄᴏᴍᴘᴜᴛᴇʀ. ᴀɴ ᴇxᴀᴍᴘʟᴇ ᴏғ ᴛʜᴇ ᴍᴀɪɴ ᴍᴇᴍᴏʀʏ ɪs ᴡʜᴇʀᴇ ᴘʀᴏɢʀᴀᴍs ᴀɴᴅ ᴅᴀᴛᴀ ᴀʀᴇ ᴋᴇᴘᴛ. "ᴍᴀɪɴ ᴍᴇᴍᴏʀʏ."

$\purple{ \tt{AUXILIARY \: MEMORY:-}}$

• ᴀɴ ᴀᴜxɪʟɪᴀʀʏ ᴍᴇᴍᴏʀʏ ɪs ᴋɴᴏᴡɴ ᴀs ᴛʜᴇ ʟᴏᴡᴇsᴛ-ᴄᴏsᴛ, ʜɪɢʜᴇsᴛ-ᴄᴀᴘᴀᴄɪᴛʏ ᴀɴᴅ sʟᴏᴡᴇsᴛ-ᴀᴄᴄᴇss sᴛᴏʀᴀɢᴇ ɪɴ ᴀ ᴄᴏᴍᴘᴜᴛᴇʀ sʏsᴛᴇᴍ. ɪᴛ ɪs ᴡʜᴇʀᴇ ᴘʀᴏɢʀᴀᴍs ᴀɴᴅ ᴅᴀᴛᴀ ᴀʀᴇ ᴋᴇᴘᴛ ғᴏʀ ʟᴏɴɢ-ᴛᴇʀᴍ sᴛᴏʀᴀɢᴇ ᴏʀ ᴡʜᴇɴ ɴᴏᴛ ɪɴ ɪᴍᴍᴇᴅɪᴀᴛᴇ ᴜsᴇ. ᴛʜᴇ ᴍᴏsᴛ ᴄᴏᴍᴍᴏɴ ᴇxᴀᴍᴘʟᴇs ᴏғ ᴀᴜxɪʟɪᴀʀʏ ᴍᴇᴍᴏʀɪᴇs ᴀʀᴇ ᴍᴀɢɴᴇᴛɪᴄ ᴛᴀᴘᴇs ᴀɴᴅ ᴍᴀɢɴᴇᴛɪᴄ ᴅɪsᴋs.

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