COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER SYSTEM COMPONENTS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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RAM
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ROM
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Either A or B
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None of the above
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Detailed explanation-1: -ROM stores the program required to initially boot the computer. It only allows reading. RAM is volatile i.e. its contents are lost when the device is powered off. It is non-volatile i.e. its contents are retained even when the device is powered off.
Detailed explanation-2: -The CPU starts and fetches instructions into RAM from the BIOS, which is stored in the ROM. The BIOS starts the monitor and keyboard, and does some basic checks to make sure the computer is working properly. For example, it will look for the RAM. The BIOS then starts the boot sequence.
Detailed explanation-3: -The boot ROM is a type of ROM that is used for booting a computer system.
Detailed explanation-4: -The speed of Read-only Memory (ROM) is slower when compared to RAM. Data in RAM can be modified, erased, or read. Data in ROM can only be read, it cannot be modified or erased. The data stored in ROM is used to bootstrap the computer.