Booting
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In computing, booting is the process of starting a computer as initiated via hardware such as a physical button on the computer or by a software command. After it is switched on, a computer's central
Switches and cables used to program ENIAC (1946)
Initial program load punched card for the IBM 1130 (1965)
IBM System/3 console from the 1970s. Program load selector switch is lower left; Program load switch is lower right.
PDP-8/E front panel showing the switches used to load the bootstrap program
Firmware
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In computing, firmware is software that provides low-level control of computer hardware. For a relatively simple device, firmware may perform all control, monitoring and data manipulation functionalit
Booting
…CPU) has no software in its main memory, so some process must load software into memory before it can be executed. This may be done by hardware or firmware in the CPU, or by a separate processor in the computer system. On some systems, a power-on reset (POR) does not initiate booting, and the operator must…
Firmware is commonly stored in an EEPROM or Flash memory, which makes use of an I/O protocol such as SPI.
ROM BIOS firmware on a Baby AT motherboard
Updating the firmware of a Fuji Instax camera