WORD GUIDE TO CHAPTER THREE

Bootstrap:

 A program that starts a computer.   

Cursor:

A patch of light or other visual indicator that shows where a person is working in a body of text.

DOS:

Disk Operating System. This is IBM’s version of the operating system1 which controls many of the functions of the computer.

Directory:

Tables of contents that lists programs and files that are stored sequentially on a diskette or hard disk. In short, a directory that describes the layout of records within a file.

Operating System:

A program or collection of programs that manages the hardware, output devices, logic operations and a number of other management functions. it provides a link between software and the computer’s internal language.

Security:

 The protection of information against disclosure, transfer, modifications, or destruction.

Write Protect:

 The process of protecting information stored on a diskette by sealing off the read/write notch with a tab or special tape. Some diskettes, such as those containing the operating systems, are  permanently sealed to prevent writing over their contents.

 

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