BIOS and CMOS Study Guide/ Questions and Answers/ 2024-2025. Where is the BIOS stored? -, Exams of Data Communication Systems and Computer Networks

Download BIOS and CMOS Study Guide/ Questions and Answers/ 2024-2025. Where is the BIOS stored? - and more Exams Data Communication Systems and Computer Networks in PDF only on Docsity! BIOS and CMOS Study Guide/ Questions and Answers/ 2024-2025. Where is the BIOS stored? - Answers: On a ROM chip What does the CPU use to communicate with the other devices on the CPU? - Answers: It uses the BIOS. What does ROM stand for - Answers: Read only Memory What happens to a ROM chip when the PC is powered off? - Answers: It retains it's memory 1 | P a g e What is the difference between ROM and RAM chips? - Answers: ROM chips can't be written to. What does the ROM chip contain? - Answers: Programs that allows the CPU to communicate with other devices. What are the programs on the ROM chip collectively referred to as? - Answers: Basic Input/Output Services (BIOS) What is the BIOS sometimes referred to as? - Answers: Firmware. What are the 3 different categories for devices that connect to the motherboard. - Answers: 1. Devices that can't be configured and are not likely to be replaced. 2. Devices that have configurable parameters. That are likely to be changed from time to time. 3. Custom devices. That may not be present in any given system. Where are the parameters for changeable devices stored? - Answers: On a RAM chip called the CMOS What is the difference between the BIOS and the CMOS? - Answers: The BIOS is ROM and can't be rewritten. It contains programs through which the CPU can communicate to the other devices connected to the motherboard. The CMOS is RAM. It doesn't contain programs. It only contains the parameters to access certain changeable devices. The CMOS can be rewritten. 2 | P a g e