Which of these is the first web-based e-mail service?

Point out the odd item amongst the following

A connection between two end points, either physical or logical, over which data may travel in both directions simultane…

A computer has no more sense than a light

In computers ,what is the smallest and basic unit of information storage?

In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off?

Offline device is

VIRUS stands for