RAM Basics
RAM stands for ______ Access Memory.
Random
Which kind of storage is permanent: main memory, cache, or the hard disk?
The hard disk
The memory module found in most desktop PCs today.
DIMM (Dual Inline Memory Module)
Before you touch RAM, you touch bare metal on the case to do this.
Drain static (electricity)
How much data a module holds is its ______. Today we measure it in ______.
Capacity, gigabytes (GB)
In our office example, RAM is the desk. What is the hard drive?
The file cabinet
This type of RAM has to be constantly refreshed with electricity.
DRAM (Dynamic RAM)
The small memory module made for laptops.
SO-DIMM (Small Outline DIMM)
DDR stands for this.
Double Data Rate
The minimum amount of RAM Windows 11 needs.
4 GB
This word means RAM loses everything when the power goes off.
Volatile
SRAM is also known as this kind of memory.
Cache memory
The oldest module type, with a notch in one bottom corner.
SIMM (Single Inline Memory Module)
A DDR4 stick won't go in a DDR5 slot. What's physically different?
The notch
Power goes off. Which one keeps its data: RAM or ROM?
ROM (Read Only Memory)
Is RAM used for temporary storage or permanent storage?
Temporary
Which one is faster AND more expensive: DRAM or SRAM?
SRAM (Static RAM)
Made by Rambus and covered with a metal heat spreader.
RIMM (Rambus Inline Memory Module)
For dual channel, memory sticks go in like this.
Matched pairs
The start up instructions stored on a ROM chip.
BIOS (Basic Input/Output System)
RAM moves data in this tiny unit of time, one billionth of a second.
Nanoseconds
This kind of memory can detect and correct errors.
ECC (Error Correcting Code) memory
The size and shape of a memory module is called its ______.
Form factor
More RAM speeds up a PC because the processor makes fewer trips to this.
The hard disk
Updating the code on a ROM chip is called this.
Flashing