What is/are the mode(s) of action of trichromes for

Which of the following CPU registers is used to store data and intermediate results produced by the ALU?

A key that is used to alternate the input mode of a group of keys on a keyboard is known as _____ 

Which of the following is an input device?

Copying a process from memory to disk to allow space for other processes is called __________.  

When sending an e-mail, the ________ line describes the contents of the message.

The electronic path, that connect one part of computer to another is _____

The process to divide the disc into tracks and sectors is ____________.

What is the full form of DOS? 

The lines intersecting on a worksheet both horizontally and vertically are referred to as:

DDR is referred to_____________