MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -ROM is non-volatile storage, which means the information is maintained even if the component loses power. ROM is located on a BIOS chip which is plugged into the motherboard. ROM plays a critical part in booting up or starting up, your computer.

Detailed explanation-2: -ROM contains the programming that allows a computer to start up or regenerate each time it is turned on. ROM also performs large input/output (I/O) tasks and protects programs or software instructions.

Detailed explanation-3: -ROM is a type of memory circuitry that holds the computer’s startup routine. The ROM BIOS tells the computer how to access the hard disk, find the operating system, and load it into RAM.

Detailed explanation-4: -RAM is used to hold data and instructions that are currently in use. In a modern PC, RAM is used to hold the operating system and any open documents and programs that are running. RAM can be read from and written to. The contents of RAM can be changed at any time by overwriting it with other data and instructions.

Detailed explanation-5: -Read Only Memory (ROM) is found in a microchip within the motherboard, and it cannot be easily altered. This is a type of non-volatile memory that is used to run firmware, or the BIOS, on a personal computer.