
Students' Guide to Business Computing
have hard disks which can store 20 MB (1 MB = 1 megabyte, or one
million characters); larger computers have disks which can hold
hundreds or even thousands of megabytes. The simple system for the
burger bar may not require megabytes of disk space, but there are
many businesses that do.
For example, a relatively small business selling goods on credit may
have 10,000 customers; for each customer, they need to keep names
and addresses, and details of what payments are outstanding from that
customer, as well as other important information. This can easily
require as much as 500 characters per customer, or a ...