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Last updated 3:24 AM on 5/20/26
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26 Terms

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CPU

brain of computer

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RAM

Temporary memory

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SSD/HDD

Permanent storage

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Router

Directs internet traffic

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Modem

Connects to ISP

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Firewall

Filters network traffic

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Phishing

Scam messages

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Ethernet

Wired internet

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Wi-Fi

Wireless internet

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HTTPS

Secure website

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Switch

Connects devices in same network

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HTTP =

80

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HTTPS =

443

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IP Address

device identifier

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Motherboard

Connects components

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PSU

Power supply unit

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Virus

Attaches self to files/programs and spreads when executed

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Worm

Spreads across networks by itself

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Trojan horse

Pretends to be legitimate software but is malicious

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Ransomware

Locks/encrypts files and demands payment

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Spyware

Secretly collects user information

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Adware

Shows unwanted ads

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Rootkit

Hides malware and gives attackers deep system access

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Keylogger

Records keystrokes/passwords

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Bot/Botnet

Turns devices into remotely controlled machines

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Malware

General term for malicious software