Computing Quiz - Term One, 2024/2025

What is a vector image?

• An image that cannot be resized

• An image that is always black and white

• An image created using coordinates

• An image made of pixels

What is the main difference between bitmap and vector images?

• Vector images are always larger in file size

• Bitmap images focus on pixels and resolution

• Vector images are made of pixels

• Bitmap images are created using coordinates

What does binary represent in the context of pixels?

• The number of pixels in an image

• The resolution of the image

• The size of the image file

• The color depth of an image

What is the purpose of creating a leaflet for Year 7 learners?

• To compare bitmap and vector images

• To teach them about vector images

• To explain binary and online graphics

• To show them how to use Scratch

What will learners explore in the topic of Binary Addition?

• The differences between lossy and lossless compression

• How to add binary numbers

• The properties of digital images

• How to create vector images

What are bits, bytes, and nibbles used for?

• Measuring image resolution

• Representing data in computing

• Compressing files

• Creating vector images

What is the focus of the topic on Binary vs Denary Representation?

• Creating bitmap images

• Exploring place values in number systems

• Analyzing file sizes

• Understanding image compression

What will learners discuss regarding Bandwidth and File Size?

• How to create a leaflet

• The impact of file size on network performance

• The properties of digital images

• The differences between vector and bitmap images

What is the difference between lossy and lossless compression?

• Lossy compression reduces file size without losing quality

• Lossless compression is always faster than lossy

• Lossless compression reduces file size by losing some data

• Lossy compression loses some quality while compressing

What technique will learners learn about in Run Length Encoding?

• A technique for adding binary numbers

• A way to save images in a lossless format

• A method for creating vector images

• A method for measuring bandwidth