Difference between BIOS and CMOS

Distinguish, differentiate, compare and explain what is the difference between BIOS and CMOS. Comparison and Differences.

Differences between BIOS and CMOS

S.No. Basis of difference BIOS CMOS
1 Full Form Basic Input Output system. Complementary Metal Oxide Semiconductor.
2 Memory Type BIOS is nonvolatile. CMOS is volatile.
3 Main Functionality BIOS is a program which is used to initialize hardware during the booting process. CMOS is a memory chip which stores the BIOS configuration settings.
4 Upgradation It can be upgraded by Flashing. It can be changed trough CMOS setup.
5 Location BIOS is usually found in separate chipset called EPROM or Flash memory in motherboard. CMOS is also a memory chip usually found in Southbridge.


Difference between CMOS vs BIOS


Differences between CMOS vs BIOS

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