Chapter 8 Key Terms

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Chapter Eight Key Terms

Bootable disk For DOS, a floppy disk that can upload the OS files necessary for computer startup. It must have the two hidden system files IO.SYS and MSDOS.SYS, and also COMMAND.COM.

Diagnostic cards Adapter cards designed to discover and report computer errors and conflicts at POST time (before the computer boots up), often by displaying a number on the card.

Diagnostic software Utility programs that help troubleshoot computer systems. Some DOS diagnostic utilities are CHKDSK and SCANDISK. PC-Technician is an example of a third-party diagnostic program.

Documentation Manuals, tutorials, and Help files that provide information that a user needs in order to use a computer system or software application.

Electrostatic discharge (ESD) Another name for static electricity, which can damage chips and destroy system boards, even though it might not be felt or seen with the naked eye.

Ground bracelet An antistatic wrist strap used to dissipate static electricity. Typically grounded by attaching an alligator clip to the computer chassis or to a nearby ground mat.

Ground mat An antistatic mat designed for electronic workbenches to dissipate static electricity. It often uses a wire attached to the ground connection in an electrical outlet.

Static electricity See Electrostatic discharge.

Video driver A program that tells the computer how to effectively communicate with the video adapter card and monitor. It is often found on a floppy disk that is shipped with the card.

Home A+ Certification Update A+Syllabus.htm A+ Course Outline A+Assignments Ch 1 Solutions  Lab 1 Chapter 8 Key Terms Ch 8 Lab Solutions A+ Text Slides A+ Graphics I A+ Graphics II