Binary and data representation - Edexcel Images All data in a computer is represented in binary, whether it is numbers, text, images or sound. The computer software processes the data according to ...

KS3 Computer Science Data representation learning resources for adults, children, parents and teachers. ... Binary. Computers use binary to process data.

The 1620 used binary-coded-decimal as you mention, not the 1401’s bi-quinary, so it’s not “the same scheme”, although it did also calculate on one decimal digit at a time.

When the numbers are within the range of 10 to 19, the binary representation varies between four and five bits, such as 1010 to 10011. The BCD representation uses eight bits, such as 0001 0000 to ...