it's main purpose is to work with the temporary memory.
DDR2 RAM is slightly smaller and has square chips. DDR1 RAM has rectangular chips.
short answer : cache chip is more expensive than ram
Memory Modules
RAM is made out of Memory chips which contains the memory
Computer chips are I.C.s (Integrated Circuits) exaples of which are Memory (RAM Chips) CPU Processor, Video Chips.
RAM chips.
A 1 gigabyte RAM can extend by buying RAM upgrade chips, and inserting them into your computer.
It depends on the RAM chip. Some are 1GB, 2GB, 4GB, and 8GB.
Around 30 gigabytes (30 GB). But.... Most computers have maybe 2~16 GB installed, so I think you are confusing memory chips (RAM) with hard disk drives/ solid-state disk drives or USB memory chips/sticks. Plus, although you could fit 32 GB of RAM into a computer and get the photos stored, they would VANISH once you turn the power off. Check out the definition and purpose of RAM versus HDD, SSD and USB chips.
Most computers have space for 2 ram chips so this includes your 512 and 1 gb ( it should work as long as it is the correct chips for your computer)
CMOS
Installing RAM in pairs can save time and money.