Battery/Adapter/KB/DVD/RAM/HDD

Computer Memory Types Explained: Flash, SSD, RAM, EEPROM, HDD

If you’re buying or building a computer today, it will come with a hard drive (HDD), and it may include an upgraded solid-state drive (SSD) for program and media storage. You’ll also have a certain amount of some kind of RAM for short-term storage. You may hear confusing terms such as flash

Random Access Memory (RAM) - What is RAM?

Unlike the other types of media, manufacturers use Random Access Memory (RAM) to store programs and additional information temporarily. With RAM, that temporary storage means all stored data disappears when the device loses power. Your operating system and any currently-running programs utilize this type of storage, allowing this extremely fast – and relatively expensive per gigabyte – medium to speed up your computer use.

If your computer doesn’t have enough RAM to run a program, your system may substitute memory from your HDD or SSD as virtual memory. Using substitute memory will allow these programs to run, but you’ll see much slower performance.

Hard Drive (HDD)

Hard drives first entered the world stage in 1956, with the introduction of the RAMAC 305 system. With a capacity of 5MB

How HDD Works

Hard drives physically spin a platter into the correct position for the read head to move in and out on the platter’s diameter

EEPROM

EEPROM stands for Electrically Erasable Programmable Read-Only Memory.You might be wondering; How does EEPROM work?