The control unit of a microprocessor

A common example of a data storage medium is

The unit of hardware an operator uses to monitor computer processing is the:

A hand-held device for optically reading bar codes on goods, labels & shelves is

Everything computer does is controlled by its

The pieces of equipment which are attached to the CPU of a computer and which it can access are called

The computer code for interchange of information between terminals is

A card on the top of pack of cards containing information about the cards in the pack is