Binary to images conversions
Quiz by GCSE Computer Science Teacher 2
GCSE (AQA)
Computer Science
English National Curriculum
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12 questions
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- Q1Why must images be stored in a binary format?Because computers can only understand binaryBecause it takes less memoryTo make it easier for humans to understand them30s3.3.6.b
- Q2In a 2-bit depth image, what is the binary representation for the colour black?0001111030s3.3.6.b
- Q3In a 2-bit depth image, what is the binary representation for the colour white?1101001030s3.3.6.b
- Q4What is the binary representation for the colour light grey?1000011130s3.3.6.b
- Q5What is the colour depth of an image?The number of colours captured in the imageThe number of bits used to indicate the different colours of a pixels availableThe use of primary colours and their scalesThe range of colours scales used30s3.3.6.b
- Q6What is the colour depth of a black and white image?814230s3.3.6.b
- Q7How many colours can an image with a 2-bit depth colour have?2104830s3.3.6.b
- Q8What binary number would be used to represent the white squares?11100030s3.3.6.b
- Q9What is the image above going to be?A circleA squareA crossA smiley face30s3.3.6.b
- Q10What colour is the square in the middle?WhiteBlackThere isn't oneGrey30s3.3.6.b
- Q11How many pixels are being used in this image?2520153030s3.3.6.b
- Q12How many white pixels are in this image?72051930s3.3.6.b
