Hardware
Software
Networks
Storage
eSafety
100

Performs all calculations and logic operations.

CPU/ALU

100

Manages hardware and system operations.

Operating System

100

Covers a small area like a classroom.

LAN

100

Fast storage with no moving parts.

SSD

100

Filters incoming and outgoing traffic.

Firewall

200

Performs all calculations and logic operations.

RAM

200

Manages hardware and system operations.

Antivirus

200

A network that spans continents.

WAN

200

Storage using spinning magnetic disks.

HDD

200

Tricks users into revealing information.

Phishing

300

Gamers use this device to control movement in 3D titles with precision, especially in flight simulators.

Joystick

300

Helps users create written documents.

Word processor

300

Connects multiple networks together.

Router

300

Small flash card used in cameras.

SD card

300

Malware demanding payment.

Ransomware

400

Reads printed text using reflected light. 

OCR Scanner

400

Provides a user interface to manage files.

File manager

400

Broadcasts data to all devices.

Hub

400

Online data storage service.

Cloud storage

400

Hides user identity online.

VPN

500

Stores the BIOS for booting the computer.

ROM

500

Converts high-level code into machine code.

Compiler

500

Identifies devices using MAC addresses.

Switch

500

Optical disc storing 4.7GB data.

DVD

500

Prevents strangers from accessing accounts.

Strong password