Digital Storage Jargon Buster

Digital Storage Basics

Data Storage:

A general term used to describe archiving electronic data using a computer or device


Permanent Memory that cannot be changed by a program or user, ROM retains its memory even when switched off


Temporary memory in which data, programs and applications are stored, RAM loses data stored if powered off without manually saving


Universal Serial Bus is a type of interface (connection between two pieces of computer equipment)

Optical Drive (CD/DVD):

Reads CDs and DVDs using a laser light or electromagnetic wave to read the data on the disc

Storage Device / Storage Media:

Computer hardware or a digital device for storing digital data

Internal Hard Drive:

Internal storage device located inside a computer system

External Hard Drive:

A portable storage device that can be attached to a computer system via USB, Wires or Wirelessly

USB Flash Drives:

Also known as Flash drive, thumb drive, pen drive or memory stick, plugs into the USB port of your computer and is used for storing and transferring digital data

Memory Cards:

A small flat flash drive, used in some types of mobile phones and digital cameras

Solid State Drive (SSD) :

An SSD stores digital information in microchips and is typically much faster and more reliable than USB drives

What is USB 2.0?:

USB standard - (available since 2000) most devices with USB capabilities, and nearly all USB cables, support at least USB 2.0

What is USB 3.0?:

Features much faster transfer speeds than USB 2.0 (available since 2013)

Digital Storage Values :

Digital storage is measured with a variety of values to explain the size or capacity of storage available. The single measurement of digital storage is a bit (the smallest unit available). A Byte is a sequence of bits (generally about 8 bits in a byte)

Storage Data Capacity Measurement Chart:

We explain the difference between a bit and a byte!

Digital Storage Value Size
Bit Single Binary Digit
Byte 8 Bits
Kilobyte (KB) 1024 Bytes
Megabyte (MB) 1024 Kilobytes
Gigabyte (GB) 1024 Megabytes
Terabyte (TB) 1024 Gigabytes