CSCI 1006 Lecture Notes - Lecture 11: Surge Protector, Power Strip, Msdos.Sys

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To protect against high voltage (spikes), then use surge protectors. Note: a power strip can not be used as a surge protector. To protect against low voltage (brown-outs), then use an uninterrupted power supply (ups) Two parts: the post and the disk set. It is the first set of startup instructions. It tests the computer for minimum performance capability. It is in the rom-bios/rom (read-only memory basic input/output system). F000 is a hexadecimal number (supposedly we"re like missing a few zeros here but whatever). Disk set (i think) is composed of two parts: the disk boot program, and the boot. It checks the disk for the first 2 parts of the os (operating system): io. sys and. Msdos. sys and copies the boot record from disk to ram (random access. The boot record is located in ram (7c00, another hexadecimal number i believe) and takes 502 bytes from disk to ram. The os directs the computer what to do.

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