Digital Storage Concepts

These flashcards cover key concepts related to digital storage, including the differences between types of storage and memory, characteristics of various storage devices, and the workings of cloud and enterprise storage.

What is the difference between storage and memory in computing?

Storage refers to the physical medium where data is kept, while memory refers to the temporary storage space used by a computer to hold data currently in use.

What is cloud storage?

Cloud storage is an Internet service that provides storage to computer or mobile device users, where data is stored on remote servers and accessed via the internet.

What is a hard disk drive (HDD)?

A hard disk drive contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information.

What are the primary advantages of a solid-state drive (SSD) over a traditional hard disk?

SSDs have faster access times, faster transfer rates, quieter operation, more durability, lighter weight, less power consumption, less heat generation, a longer life, and do not require defragmentation.

What is RAID?

RAID (redundant array of independent disks) is a group of two or more integrated hard disks or SSDs that work together to improve data reliability and performance.

What is the primary function of a USB flash drive?

A USB flash drive is a portable flash memory storage device that connects to a computer or mobile device via a USB port.

How does an optical disc work?

An optical disc is read and written by a laser; the pits and lands on the disc reflect light differently, allowing data to be read as digital signals.

What is Network Attached Storage (NAS)?

NAS is a server placed on a network that provides storage to users, computers, and devices attached to that network.

Describe a magnetic stripe card.

A magnetic stripe card contains a magnetic stripe that stores information used for identification and data retrieval.

What is an NFC tag?

An NFC tag contains a chip and an antenna that transmits information via near field communication, often used in mobile payments and access control.