Which type of RAM is most commonly found in computers?

Dynamic Random-Access Memory (DRAM) is the type of RAM most commonly found in computers due to its cost-effectiveness and density. DRAM stores each bit of data in a separate capacitor within an integrated circuit, which allows for a high storage capacity, making it suitable for the large amounts of RAM typically needed in modern computers. This efficient architecture enables DRAM to provide ample memory for a wide range of applications from gaming to complex data processing tasks.

In contrast, Static Random-Access Memory (SRAM) is faster but more expensive and takes up more space than DRAM, making it less common for general computer use. It is usually utilized in smaller amounts for cache memory in processors due to these advantages, but it cannot meet the large storage requirements like DRAM can. Read-Only Memory (ROM) and Flash Memory serve different functions, primarily for permanent data storage and firmware. They are not intended for the volatile memory needs that typical computer operations demand, further highlighting the role of DRAM as the predominant choice in computer systems.