CISC Architecture help?

[HelpMePleaseGuys]

Hi guys I have this question I do not understand?

Which of the following is NOT an advantage of CISC architecture?

A. Specialist instructions to aid the programmer in common tasks

B. Rich variety of addressing modes to aid the programmer

C. Variable instruction lengths to optimise code density

D. Fixed length, regular format instructions

F. Specialist instructions that can be optimised in hardware




Thank you in advance!!!

Edited November 21, 2013 by HelpMePleaseGuys

[EdEarl]

It is one of the ones that are mutually exclusive.