The marketplace for computer hardware: 1. has become increasingly concentrated in top firms 2. has expanded to include a wide variety of start-up and mobile-computing firms. 3. has moved significantly to Asian firms. 4. has begun moving away from blade servers. 5. has been decimated by mobile and cloud computing.

1. has become increasingly concentrated in top firms

Explanation:

The marketplace for computer hardware:  has become increasingly concentrated in top firms

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!