)describe various categories of software maintenance giving clear examples of when it necessary to carry out each of these types of maintenance

Dameas communication challenge is due to which factor

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .

Scientists have changed the model of the atom as they have gathered new evidence. one of the atomic models is shown below. what experimental evidence led to the development of this atomic model from the one before it? a few of the positive particles aimed at a gold foil seemed to bounce back. the colors of light emitted from heated atoms had very specific energies. experiments with water vapor showed that elements combine in specific proportions. cathode rays were bent in the same way whenever a magnet was brought near them.