Which of the following is not an example of application software

The main directory of a disk is called the …………. Directory.

Which of the following is not a version of the Windows operating system software for the PC

Data duplication wastes the space, but also promotes a more serious problem called………….

When a file contains instructions that can be carried out by the computer. It is often called a(n)……….file.

A computer virus normally attaches itself to another computer program known as a ………….