After all these years, and growing up with Windows 3.1, I have seen an entire evolution of computers and software. Touch screens and large resolutions were a pipe dream just 15 years ago. Now it's the norm. Going from a Packard Bell (yes, before HP) that couldn't run 3D Ultra Mini...
Aim for experienced enemies first with your artillery to soften them up.
Charge an inexperienced unit with your cavalry and you might make them flee.
Send your general to your most immediately effective unit to boost its morale.