RAM

What is RAM?

A temporary storage for data and programs that are being accessed by the CPU.

What does it mean that RAM is volatile memory?

It means the contents are erased when the computer is turned off.

What does more RAM provide?

More capacity to hold and process large programs and files, as well as enhance system performance.

What happens if your computer is low on RAM?

It will use virtual memory.

Which series of RAM is most important to know for tests?

The Double Data Rate (DDR) series.

What are the characteristics of DDR RAM versions?

Oldest versions consume more power, are the slowest, and are the cheapest.

What is DDR SDRAM?

A type of RAM that is part of the DDR series, used in modern computers.

What is Dynamic RAM (DRAM)?

A type of RAM that is cheap and slow.

What is Static RAM (SRAM)?

A type of RAM that is extremely fast and expensive to implement, typically used for CPU Cache.

What does Synchronous DRAM (SDRAM) do?

Provides data to the CPU at a rate matching the CPU's clock cycle.

What are DIMMs?

RAM modules used for desktops and servers, which are physically thicker.

What are SODIMMs?

RAM modules used exclusively for laptops, which are physically smaller.