Programmer Isp 1.2.0.48 Can Someone Pls Tell Me Why The Following Features Are Important In A Microcontroller?

Can someone pls tell me why the following features are important in a microcontroller? - programmer isp 1.2.0.48

The energy consumption or
Clock or
Addressing the area, or (internal and external)
A series of commands or - your application benefit from specific instructions that are available in a
Or physical package - you may want a very small package, or can be welded by hand, eg
or are additional peripherals on the chip are available
o amount of memory on the chip
Method or programming (ISP or external programmer?)
or Price
o availability of software programming tools
• Easy connection of external devices
Voltage or