Explanation : Information technology is the study, design, development, implementation support or management of computer-based information systems-particularly software applications and computer hardware. However, Security threats and Privacy concerns are major issues that arise out of growing information technology.
Explanation : In the age of four Vedas, the students were admitted to the Vedic schools after the performance of the Upanayana ceremony (this marked the entrance of the pupil into the house of his teacher for learning) at the age of 12 and spent as many years at the residence of their teachers as brahmacharis
Explanation : A communication without expecting an
immediate response is called asynchronous
communication. Some examples of
asynchronous communication are file
transfer, email, Forums and the World Wide
Web.