Computer Hardware
What is the brain of the computer?
CPU
What is software?
Programs that run on a computer
What does a strong password include?
Letters, numbers, symbols
What is an algorithm?
A step-by-step set of instructions
How many digits are used in binary?
2: 0 and 1
Name one input device.
Keyboard, mouse, microphone, etc.
Give three examples of software
Microsoft Word, Google Chrome, PowerPoint, Scratch, Minecraft, Paint, etc.
What is phishing?
Fake messages trying to steal information
What does an IF block do?
It makes a decision based on whether something is true or false.
What is binary used for?
Representing data in computers
What device stores files permanently?
Hard drive/SSD
Name one operating system.
Windows, macOS, Linux, ChromeOS
What should you do if you receive a suspicious email?
Don't click links, tell an adult/teacher, report it
What is a loop?
Repeats instructions
What decimal number is binary 1010?
10
What is RAM used for?
Temporary memory for running programs
What is the software Scratch used for?
Coding
What is a 'digital footprint'?
A permanent trail of data, information and traceable activity you leave behind while using the internet
What do we call fixing bugs?
Why do computers use binary data?
Because computer circuits can be in two states: on (1) or off (0).
Explain the difference between RAM and storage.
RAM (Random Access Memory) = computer's short-term memory, built for speed to handle active apps and multitasking.
Storage (like an SSD or HDD) = long-term memory, designed to safely keep all your files, photos, and operating system even when the device is powered off
What is an operating system?
Software that manages the computer
What does the 's' mean in HTTPS
Secure
What is a sequence?
Instructions carried out in the correct order.
How do you convert a decimal number to binary?
Divide the number by 2 repeatedly and record the remainders