Over time, smart phones have become .
smaller and harder to use
more powerful but harder to use
less expensive for a certain amount of computing power but easier to use
larger and easier to use

C. Less expensive for a certain amount of computing power.

Explanation:

Overtime, smartphones have become less expensive for a certain amount of computing power but easier to use.

Smartphones are more than just a way to reach out to people, they have a lot of features aside from calling and texting.

Basically, smartphones have high-speed internet accessibility, high definition digital cameras, games, text-to-speech app, GPS and a variety of fun social media applications for the Apple iOS and Android operating system.

Hence, with the above-mentioned features it performs all sort of tasks seamlessly to the satisfaction of the users with easy commands.

research the organization

compare your skills and qualifications

prepare responses

plan what to wear

plan what to bring

pay attention to non- verbal communication

follow up