Computer Science 9608: Information Representation Topical Past Paper Questions
Cambridge AS & A Level Computer Science (9608) past-paper questions on Information Representation , free. This topic is frequently examined across 12 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(a) Describe how run-length encoding (RLE) can be used to compress a single video frame. [4] (b) Identify two other methods of compressing a single video frame. 1 2 [2]
Wilbur uses vector graphics to create a logo for his company. (a) Describe how the logo is represented and encoded by the computer. (b) Wilbur scans a hand drawn image. The scanned image uses 8 bits to store the colour for each pixel. The image is 2048 pixels wide by 1024 pixels…
(a) Convert the unsigned binary number 0101 1111 1100 into denary. [1] (b) Convert the denary number -239 into 12-bit two's complement. [1] (c) Convert the two's complement number 0110 0101 into denary. [1] (d) Convert the Binary Coded Decimal (BCD) value 0110 0101 into denary. […
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