Title Secret sauce P1 final.pdf ✅

Zain Merchant INFORMATION REPRESENTATION Number representation 2 The denary value in each group of 4 bits is greater than 9 // the denary value in each nibble is greater than 9 Why can’t a value be interpreted as BCD • Straightforward to convert to / from BCD and denary so it is less complex to encode and decode for programmers • easier for digital equipment use BCD to display output information • can represent monetary values exactly Benefits of BCD An application that performs financial / banking calculations because it is difficult to represent decimal values exactly in normal binary and financial transactions use only two decimal places and must be accurate, no accumulating errors Or Electronic displays, e.g. calculators, digital clocks because visual displays only need to show individual digits because conversion between denary and BCD is easier Or The storage of the date and time in the BIOS of a PC because conversion with denary is easier Practical application of BCD CSWithZa CSWithZa CSWithZa CSWithZa