Business and Computer Science

E-Safety

Define the S in being SMART online
S – Stay Safe: Don’t share personal information online.
Define the M in being SMART online
M – Don’t Meet people you only know online.
Define the A in being SMART online
A – Don’t Accept unknown files, links, or requests.
Define the R in being SMART online
R – Check Reliability of sources using multiple trusted websites (BBC, NHS, GOV.UK).
Define the T in being SMART online
T – Tell a trusted adult if something upsets you.
Explain what is dangerous about sharing personal information.
Personal info (address, school, phone number, photos) can be used to locate or steal your identity. Once posted online, it can be shared without your control.
What are location-aware applications?
Apps that track or share your physical location (e.g., Snapchat Maps). Photos may contain location metadata that reveals where they were taken.
What is phishing?
A scam where someone tries to trick you into giving away personal info (e.g., fake emails pretending to be your bank).
Define the word 'Bias' online.
Bias: Information favouring one viewpoint or being unfair.
Define the word "reliable" online
Reliable: Trustworthy sources that use evidence and are not opinion-based.
Explain how can you protect your online identity?
Use strong passwords, avoid oversharing, check privacy settings, don’t click unknown links, use reliable sites, and report anything suspicious.
State who owns the internet?
No one – anyone can post content, which is why information can be biased or false.
Describe what is cyberbullying?
Bullying that happens online through messages, posts, videos, or gaming.
Identify what are types of cyberbullying?
Harassment (repeated mean messages), Cyberstalking (constant monitoring), Flaming (posting insults to provoke), Social exclusion (leaving someone out online).
Describe what should you do if you’re being cyberbullied?
Take screenshots, block the bully, report to the app, tell a trusted adult. In serious cases (harassment, threats, hate crime), contact police.
Explain when does cyberbullying become a crime?
If it includes harassment, threats, stalking, hate speech, assault, or invasion of privacy.
What is the UK Online Safety Act 2023?
Law to protect users (especially children) from harmful online content. It makes social media companies responsible for removing illegal or dangerous content.
State why is the Online Safety Act important?
Keeps young people safer online, reduces bullying, scams, and harmful content.
Identify 4 ways that make a good presentation
Clear slides (not too much text), readable fonts, consistent theme, images/videos, confident delivery, eye contact, prepared notes.
State what software is used for presentations?
Microsoft PowerPoint.
Identify three common mistakes in bad presentations?
Reading directly from slides, poor preparation, small text, lack of eye contact, unprofessional behaviour, ignoring the audience.
State three ways to improve a presentation?
Prepare before the audience arrives, practise speaking clearly, engage with your audience, use visuals effectively, ask questions.

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Hardware

What is name given to the number of FDE cycles per second that a computer does.
Clock speed
Define the term: Hardware
Physical parts of the computer that can be touched
Define the term: Input Device
Devices that send information into a computer
Define the term: Output Device
Devices that take information out of a computer
Define the term: Peripheral
Hardware that is outside of the computer, usually an input or output device
Define the term: Components
Hardware that is inside the computer that makes the computer work
Describe what a a computer mouse does.
When the user moves the mouse, it sends information into the computer to move the cursor on the screen.
Describe what a a computer keyboard does.
When the user presses a key it sends information into the computer to display the letter that has been pressed.
Describe what a a computer microphone does.
When the user speaks sound is recorded and turned into digital format by the computer
Describe what a a computer monitor does.
The monitor takes information from the computer to display whatever the user wants to look at.
Describe what a a computer speaker does.
The speakers take information from the computer to make sounds that the user can hear.
Describe what a a computer printer does.
Creates a paper picture of whatever is on the screen.
Describe what a CPU does.
Processes all the data and instructions that make a computer system work
Describe what RAM does.
Holds all the current instructions needed by the computer
Describe what ROM does.
Holds the boot up instructions
Describe what the Hard Disk Drive does.
The storage device that backs up all your information on the computer.
Describe what the GPU does.
Displays every pixel on the screen.
Describe what the Motherboard does.
Connects all the components of the computer system
Describe what the CPU fan does.
Cools down the CPU

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Binary Intro

What are the two states of binary?
0,1
What is a single binary digit?
a bit
What is four binary digits?
A nibble
What is 8 binary digits?
A byte
What are the numbers in the binary table
128, 64, 32, 16, 8, 4, 2, 1
Convert the denary number 2 to binary
0010
Convert the denary number 11 to binary
1011
Convert the denary number 13 to binary
1101
Convert the denary number 14 to binary
1110
Convert the denary number 10 to binary
1010
Convert the denary number 1 to binary
0001
Convert the denary number 8 to binary
1000
Convert the denary number 15 to binary
1111
Convert the binary number 0101 to denary
5
Convert the binary number 0100 to denary
4
Convert the binary number 1001 to denary
9
Convert the binary number 0111 to denary
7
Convert the binary number 1100 to denary
12
Convert the binary number 0000 to denary
0
Convert the binary number 0011 to denary
3
Convert the binary number 0110 to denary
6
Convert the denary number 29 to binary
0001 1101
Convert the denary number 10 to binary
1010
Convert the denary number 27 to binary
0001 1011
Convert the denary number 31 to binary
0001 1111
Convert the denary number 23 to binary
0001 0111
Convert the denary number 24 to binary
0001 1000
Convert the denary number 16 to binary
0001 0000
Convert the denary number 22 to binary
0001 0110
Convert the binary number 1101 to denary
13
Convert the binary number 10100 to denary
20
Convert the binary number 11100 to denary
28
Convert the binary number 1111 to denary
15
Convert the binary number 1000 to denary
8
Convert the binary number 1100 to denary
12
Convert the binary number 10101 to denary
21
Convert the binary number 1001 to denary
9
Convert the denary number 131 to binary
1000 0011
Convert the denary number 242 to binary
1111 0010
Convert the denary number 165 to binary
1010 0101
Convert the denary number 120 to binary
0111 1000
Convert the denary number 192 to binary
1100 0000
Convert the denary number 160 to binary
1010 0000
Convert the denary number 190 to binary
1011 1110
Convert the denary number 253 to binary
1111 1101
Convert the binary number 1000 1000 to denary
136
Convert the binary number 1101 0011 to denary
211
Convert the binary number 1010 1010 to denary
170
Convert the binary number 1101 1100 to denary
220
Convert the binary number 1000 1110 to denary
142
Convert the binary number 110 0000 to denary
96
Convert the binary number 1100 0111 to denary
199
Convert the binary number 1100 0101 to denary
197

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HTML

What does HTML stand for?
HyperText Markup Language
What is HTML used for?
HTML is used to create web pages / tells the browser what to display
What type of file is a web page?
An HTML file
What does a web browser do?
Reads HTML files and displays web pages
What is a tag in HTML?
An instruction that tells the browser what to display
Why must HTML be typed carefully?
Small mistakes can break the web page
Where are HTML tags written?
Inside angle brackets < >
What happens if HTML tags are incorrect?
The web page may not display correctly / may break
What does title do?
Sets the name shown on the browser tab
What does body do?
Contains the visible content of the web page
What does h1 do?
Creates a main heading
What does h2 do?
Creates a subheading
What does p do?
Creates a paragraph of text
What does b do?
Makes text bold
What does i do?
Makes text italic
What does u do?
Underlines text
What does br do?
Inserts a line break / moves text to a new line
What does hr do?
Inserts a horizontal line
What does the src attribute do?
Tells the browser where a file (such as an image) is located
Why are links/navigation important on web pages?
They help users move around and find information quickly

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Scratch

What is an algorithm?
A step-by-step set of instructions to solve a problem
What is a flowchart?
A visual representation of an algorithm
What is pseudocode?
A written description of an algorithm in simple language
Why is pseudocode useful?
It is easy to understand and plan programs
What shape starts and ends a flowchart?
Oval
What shape represents a decision in a flowchart?
Diamond
What shape represents input/output?
Parallelogram
What is decomposition?
Breaking a problem into smaller parts
What is a sprite in Scratch?
An object that performs actions in a program
What is an event in Scratch?
Something that triggers code to run
Give one example of an event.
Pressing the green flag
Why are events needed?
Code will not run without them
What is motion in Scratch?
Code used to move a sprite
What does “move 10 steps” do?
Moves the sprite forward
What is selection?
Making decisions in a program
What is an if statement?
Runs code if a condition is true
What is an else statement?
Runs code if the condition is false
What is a condition?
A test that is either true or false
What does == mean?
Equal to
What does > mean?
Greater than
What does < mean?
Less than
What is iteration?
Repeating code using loops
What is a count-controlled loop?
Repeats a set number of times
What is a condition-controlled loop?
Repeats until a condition is met
What does “repeat until” do?
Repeats code until a condition becomes true
What is a variable?
A container that stores data
What are the three parts of a variable?
Name, value, type
Can a variable’s value change?
Yes
What is input in Scratch?
Data entered by the user
What block gets input from a user?
Ask block
Where is input stored?
In the “answer” variable
What is output in Scratch?
Displaying information to the user
What block shows output?
Say block
What is the purpose of a game loop?
To keep the game running continuously
What happens when the green flag is clicked?
The program starts running
What are coordinates in Scratch?
X and Y positions on the stage
What happens when a sprite touches an object in a game?
A condition can trigger an action (e.g. score increases)

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