Which one among the following generation computers used microprocessors in their hardware technology?

In which of the following areas can GPS technology be used? 1. Mobile phone operations 2. Banking operations 3. Controlling the power grids Select the correct answer using the code given below:

Which one of the following is not an application software?

Which among the following do/does not belong/belongs to the GSM family of wireless technologies ?

Which one among the following is the purpose of firewall?

Which one of the following groups have only input devices ?