computer question

Question:
A medium sized company needs to upgrade the computer facilities for administrative and design and development applications. At the moment all computer-based applications are processed on a very cold 'Batch' machine whose operating system does not support 'multiprogramming '

As the senior IT Person in the company write a report that will convince the Board of Directors that the Acquisition of a computer system that supports Multiprogramming and virtual memory will bring substantial benefits to the company in the modern business arena.

report should extend to c. 1500 to 2000 words

i don't think anyone will write that amount of words, so i would just like you to write about why multi programming and virtual Memory the advantages+ the benifits it can bring.200-300 words would be enough so i can get an idea.