MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -When a computer is first turned on or restarted, a special type of absolute loader called Bootstrap loader is executed. An application called a bootstrap loader is stored in the computer’s EPROM, ROM, or other non-volatile memory. Upon turning on the computer, the processor automatically executes it.

Detailed explanation-2: -When a computer is first turned on or restarted a special type of absolute loader is executed called a bootstrap loader. A bootstrap loader is a program that resides in the computer’s EPROM, ROM, or other non-volatile memory. It is automatically executed by the processor when turning on the computer.

Detailed explanation-3: -A bootstrap is the program that initializes the operating system (OS) during startup. The term bootstrap or bootstrapping originated in the early 1950s. It referred to a bootstrap load button that was used to initiate a hardwired bootstrap program, or smaller program that executed a larger program such as the OS.

Detailed explanation-4: -Code: Assembly bootstrap The first instruction in the boot sector is cli (1015), which disables processor in-terrupts. Interrupts are a way for hardware devices to invoke operating system func-tions called interrupt handlers.