An optical input device that interprets pencil marks on paper media is

The device primarily used to provide hardcopy is the

Processors of all computers, whether micro, mini or mainframe must have

Which of the following operating systems is produced by IBM?

Instructions and memory address are represented by

Which command is used to set a name to a disk in DOS?

Viruses are called that because

Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM