Computer Science 0478: Data Representation Topical Past Paper Questions
Cambridge IGCSE Computer Science (0478) past-paper questions on Data Representation, free. This topic is frequently examined across 20 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A building has a security keypad that requires the input of a 3-digit denary number. The denary number input is then converted to an 8-bit binary number. (a) The denary numbers 071 and 200 are input. Convert these denary numbers to 8-bit binary numbers. 071 ..... 200 ..... [2] wo…
Text, images and sound are represented as binary to be processed by a computer. (a) Complete the table by writing the missing terms and descriptions about representing text, images and sound as binary. Term Description character set This is the number of samples taken each second…
Data can be measured using different units of storage. (a) Tick (✓) one box to show which of the following is the largest unit of data storage. A tebibyte (TiB) B pebibyte (PiB) C mebibyte (MiB) D gibibyte (GiB) [1] (b) A computer has primary storage. Give one example of primary…
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