Year 3 Computing: How Digital Devices Work

Questions and Answers

What is the input, process, and output of pressing a button on the keyboard?

Input: Pressing a button. Process: The computer following a program. Output: Seeing a letter on the screen. (correct)

Input: Pressing a button. Process: Seeing a letter on the screen. Output: The computer following a program.

Input: Seeing a letter on the screen. Process: The computer following a program. Output: Pressing a button.

Input: The computer following a program. Process: Pressing a button. Output: Seeing a letter on the screen.

What is the input, process, and output of the machine shown in Activity 2?

Input: 2. Process: Double. Output: 4.

Input: 2. Process: Add 2. Output: 4. (correct)

Input: 5. Process: Double. Output: 10.

Input: 4. Process: Double. Output: 8.

What is a cyber-attack?

A deliberate act of hacking into someone's personal computer to gain access to their files.

An attempt to disrupt or disable computer systems or networks.

A criminal act aimed at stealing online information without permission. (correct)

A type of virus that infects computers and steals data.

Which of the passwords listed in Activity 3 is the most secure?

Dogc&tmeAn25 Signup and view all the answers

What is a secure password?

A password that is at least 12 characters long and includes a mix of uppercase and lowercase letters, numbers, and symbols. Signup and view all the answers

What are some ways to protect our data?

All of the above. Signup and view all the answers

Which of the following is NOT an example of an input device?

Monitor Signup and view all the answers

Which of the following is NOT an example of an output device?

Microphone Signup and view all the answers

What is a common characteristic of digital devices?

They accept inputs Signup and view all the answers

What is the purpose of the 'process' in a digital device?

To transform inputs into outputs Signup and view all the answers

What happens when the 'H' key is pressed on a digital device?

The device displays 'H' Signup and view all the answers

Why is it important to have a secure password?

So that others cannot access your device Signup and view all the answers

What are the three essential components of a digital device?

Input, process, and output Signup and view all the answers

What is the purpose of sorting items into groups in Activity 1?

To identify both digital devices and items that use digital devices inside them Signup and view all the answers

Study Notes

Digital Devices and Their Functions

Digital devices function by accepting inputs, processing that information, and producing outputs.
Examples of inputs include pressing keys on a keyboard, while outputs are displayed on the screen.

Input, Process, Output Model

Each digital device operates on the I-P-O (Input, Process, Output) model.
Example: Pressing the ‘H’ key results in the input being processed to display 'H' on the screen.

Cyber Attacks

Cyber attacks are attempts by criminals to steal online information without the owner's consent.
Awareness of these threats is crucial for online security.

Secure Passwords

A secure password is essential for protecting digital information.
Among given examples, the password "Dogc&tmeAn25" is likely the most secure due to its complexity.