Discuss the trade-offs between using high-resolution, high-colour-depth images in a website, considering factors such as user experience, bandwidth, and storage.
The Impact of High-Resolution and High-Colour-Depth Images in a Website (4 marks) Read More »
Describe how increasing resolution and colour depth of graphics can have contrasting effects on the file size and image quality.
Resolution, Colour Depth and Image Quality (3 marks) Read More »
Explain how colour depth impacts the quality of a digital graphic image. Include in your explanation what is meant by colour depth.
Colour Depth and Image Quality (2 marks) Read More »
A graphic image has a resolution of 800 x 600 pixels and a colour depth of 24 bits. Calculate the storage requirements for this image in bits and in megabytes (1 byte = 8 bits, 1 MB = 1024² bytes).
Image File Calculation (3 marks) Read More »
A photograph is stored as a 24-bit bitmap image with a resolution of 1280 x 1024 pixels. Calculate the file size in kibibytes.
Bitmap Storage Requirements (4 marks) Read More »
A graphic design program uses 24 bits to store the colour of a pixel in an image, with 8 bits for each of the red, green, and blue components. Discuss the limitations this system may encounter if the program were to support a wider range of colours or shades, and how this might affect the
Binary Representation Limitations (4 marks) Read More »
A bitmap image uses a colour depth of 8 bits. Explain the implication of this in terms of the colour range available for each pixel in the image.
Colour Depth (3 marks) Read More »
Calculate the file size of an uncompressed bitmap image that has a resolution of 1024×768 pixels and a colour depth of 24 bits. Provide your answer in the most sensible unit of measurement (bytes, kilobytes, or megabytes).
Calculating Image Size (4 marks) Read More »
Explain the effect of increasing the colour depth on the file size and image quality of a bitmap image, providing two implications for each.
Colour Depth Implication (3 marks) Read More »
Explain what is meant by the term ‘resolution’ in the context of bitmap images.
Pixels and Resolution (1 mark) Read More »
