Explanation:

Data processing involves transforming raw data into meaningful and useful information. Option (d) 'Preparing information for business use' encapsulates the ultimate goal and meaning of data processing, which is to derive actionable insights or useful outputs from raw data. While it involves (a) 'Collection of data', (b) 'Working of computer', and (c) 'Doing calculation', these are steps or means to an end. The 'meaning' or purpose is the transformation into usable information. Therefore, (d) is the most comprehensive and accurate meaning.