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22 Cards in this Set

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  • Back
boot record
The first sector of a floppy disk or logical drive in a partition; it contains information about the disk or logical drive. On a hard drive, if the boot record is in the active partition, then it is used to boot the OS. Also called boot sector.
booting
The process of starting and initializing a computer system.
cold boot
Another term for a hard boot.
Command.com
Along with Msdos.sys and Io.sys, one of the three files that are the core components of the real-mode portion of Windows 9x/Me. Command.com provides a command prompt and interprets commands.
diagnostic card
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.
DIP (dual inline package) switch
A switch on a circuit board or other device that can be set on or off to hold configuration or setup information.
electrostatic discharge (ESD)
Another name for static electricity, which can damage chips and destroy motherboards, even though it might not be felt or seen with the naked eye.
ground bracelet
A strap you wear around your wrist that is attached to the computer case, ground mat, or another ground so that ESD is discharged from your body before you touch sensitive components inside a computer. Also called static strap, ground strap, ESD bracelet.
hard boot
Restart the computer by turning off the power or by pressing the Reset button. Also called a cold boot.
Io.sys
Along with Msdos.sys and Command.com, one of the three files that are the core components of the real mode portion of Windows 9x/Me. It is the first program file of the OS.
loop-back plug
device that is connected into a port to perform a loopback test.
Master Boot Record (MBR)
The first sector on a hard drive, which contains the partition table and a program the BIOS uses to boot an OS from the drive.
material safety data sheet (MSDS)
A document that explains how to properly handle substances such as chemical solvents; it includes information such as physical data, toxicity, health effects, first aid, storage, disposal, and spill procedures.
Msdos.sys
In Windows 9x/Me, a text file that contains settings used by Io.sys during booting. In DOS, the Msdos.sys file was a program file that contained part of the DOS core.
Ntldr (NT Loader)
In Windows NT/2000/XP, the OS loader used on Intel systems.
partition table
A division of a hard drive that can be used to hold logical drives.
POST (power-on self test)
A self-diagnostic program used to perform a simple test of the CPU, RAM, and various I/O devices. The POST is performed by startup BIOS when the computer is first turned on, and is stored in ROM-BIOS.
program file
A file that contains instructions designed to be executed by the CPU.
soft boot
To restart a PC without turning off the power, for example, in Windows XP, by clicking Start, Turn Off Computer, and Restart. Also called warm boot.
startup BIOS
Part of system BIOS that is responsible for controlling the PC when it is first turned on. Startup BIOS gives control over to the OS once it is loaded.
static electricity
Another term for ESD (electrostatic discharge).
warm boot
Another term for a soft boot.