Cho 2câu sau s1='Ha Noi' s2='Viet Nam' hãy thực hiện S1+s1
Insert (s1,s2,1)
Insert (s2,s1,4)
Delete(s2,1,6)
Delete (2,6,4)
Copy (s1,1,5)
Copy (s2,7,2)
Pos ('ie',s2)
Pos ('a',s1)
Length (s2)

these  signals travel  down a part of the neuron called the axon, which is like a wire that carries the  signal  to othernerve  cells. on average a  nerve  cell sends a  signal  at about 50 meters per second, which is over 100  miles  an hour!

the answer is a   : ) hope that

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).

it would be a. excessive network collisions or d. slow connectivity between devices those would be my answer.