Command Line Interface
Systems and Networks
Data Encoding
Cyber Basics
Operating Systems
100

The linux command to list all files and folders in your current directory.

What is ls?

100

This three-letter acronym stands for the global network of computers that connects people all over the world.

What is the World Wide Web?

100

This base-2 number system uses only zeros and ones to represent all data inside a computer.

What is binary?

100

This type of malicious software is designed to sneak onto a computer, replicate itself, and cause damage to files or systems.

What is a virus (or malware)?

100

This is the primary software, like Windows or macOS, that manages all a computer's hardware and runs other applications.

What is an Operating System?

200

The command that stages changes in Git.

What is git add?

200

This technology uses radio waves instead of physical cables to connect your phone or laptop to the local network.

What is Wi-Fi?

200

This base-16 numbering system uses the digits 0 through 9 and the letters A through F to write long binary numbers in a shorter way.

What is hexadecimal?

200

This security barrier monitors incoming and outgoing network traffic to block unauthorized access to your computer.

What is a firewall?

200

This standard tool in your file manager lets you arrange and group related documents, photos, or files into separate named collections.

What is a folder?

300

Linux command to display contents of a file

What is cat?

300

This common physical cable is plugged into a wall or router to provide a wired internet connection.

What is an Ethernet cable?

300

Representing a single true/false value or a 0 or 1, this is the smallest unit of data a computer can process.

What is a bit?

300

This digital scam involves fake emails or websites designed to trick you into giving away personal info like passwords.

What is phishing?

300

This type of software, like Google Chrome or Safari, is specifically designed to let you view and navigate websites on the internet.

What is a web browser?

400

In a text-based interface, this specific flashing symbol or character shows you exactly where your next typed letter will appear.

What is the cursor (or prompt)?

400

This system acts as the internet's phone book by translating human-readable website names into numerical IP addresses

What is the Domain Name System?

400

Making up exactly 8 bits of data, this unit is typically used to measure the size of a single text character.

What is a byte?

400

This security process scrambles readable text into a secret code so that only people with the correct key can read it.

What is encryption?

400

This specific part of a computer's operating system lets users interact with software using visual elements like icons, windows, and menus instead of typing commands.

What is a GUI (Graphical User Interface)?

500

On a command line, this two-letter command is typed to "change directory" and move into a different folder.

What is cd?

500

This type of network connects computers over a short distance, like inside a single home, school, or office building.

What is Local Area Network?

500

This classic character encoding standard assigns a unique number to 128 English letters, digits, and punctuation marks.

What is ASCII?

500

This login method requires a user to provide two different factors to verify themselves, like a password plus a phone code.

What is two-factor authentication?

500

This term refers to delivering computing services—like servers, storage, and databases—over the internet instead of using a local hard drive.

What is the Cloud?