DDS Final Exam Review 2

Which device senses movement in physical computing?

• Accelerometer
• Button
• Speaker
• LED

Answer explanation

Accelerometers detect motion and direction in physical computing projects.

What is a prototype in tech development?

• A working early version of a product
• The final product
• A coding language
• A type of bug

Answer explanation

A prototype is used to test ideas before building the full version.

What does ASCII help computers represent?

• Colors and fonts
• Sounds
• Text characters
• Images

Answer explanation

ASCII is a code that represents letters and symbols as binary numbers.

What is the function of CSS?

• To style web pages
• To run Python code
• To build databases
• To animate sprites

Answer explanation

CSS (Cascading Style Sheets) is used to change fonts, colors, and layout.

What does the <img> tag do in HTML?

• Adds a sound
• Inserts an image
• Displays a list
• Creates a button

Answer explanation

The <img> tag is used to display an image on a webpage.

Which of these is an example of a strong password?

• 123456
• password
• MyDog$2024
• abcdef

Answer explanation

Strong passwords mix uppercase, lowercase, numbers, and symbols.

What does an accelerometer measure?

• Light
• Sound
• Motion
• Heat

Answer explanation

An accelerometer detects movement and direction.

What does a Boolean represent?

• A text string
• A number
• True or false value
• A sprite name

Answer explanation

Boolean values are either true or false.

Which block responds to user clicks or key presses?

• setPosition()
• onEvent()
• draw()
• text()

Answer explanation

The onEvent() block is used to detect user interactions.

What is the purpose of a coordinate plane in Game Lab?

• To control brightness
• To send email
• To control the position and movement of objects on the screen
• To encrypt data

Answer explanation

The coordinate plane is used to control where objects appear and how they move in Game Lab by using x (horizontal) and y (vertical) values.