FCSCST1133Data Engineering Ecosystem

SCST1133 · Topic 01

From Power-On to Ready-to-Use

Trace the coordinated hardware and software events that prepare a computer for use.

01Introduction to Computer and System
Practical enrichment

From Power-On to Ready-to-Use

Trace the coordinated hardware and software events that prepare a computer for use.

Seven stages from pressing the power button to loading the desktop
Figure 22. Firmware, hardware, storage, the kernel and drivers cooperate during startup.

Key terminology

TermRole
FirmwareLow-level software that initialises and controls hardware.
POSTChecks whether essential hardware is available.
BootloaderLocates and starts the operating-system kernel.
KernelCore operating-system component managing hardware and processes.
DriverAllows the operating system to communicate with a device.