Determine if the sequence converges or diverges.

a$)\{\frac{n}{2}{\}}_n=1^{}$

b$)\{\frac{1}{n}{\}}_n=1^{}$

c$)\{\frac{1}{n^{2}1}{\}}_n=1^{}$

d$)\{\frac{1}{\sqrt[\phantom{2}]{n}}{\}}_n=1^{}$

e$)\{\sqrt[\phantom{2}]{n}{\}}_n=1^{}$