MCQ IN COMPUTER SCIENCE & ENGINEERING

Previous
Next

COMPUTER SCIENCE AND ENGINEERING

COMPUTER ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When a computer is first powered up, the initiating programs are loaded into memory from the ____ chip.
A
RAM
B
ROM
C
Cache
D
None of the above
Explanation: 

Detailed explanation-1: -An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer.

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: -Explanation: Kernel is the first program that is loaded in memory when OS is loading as well as it remains in memory till OS is running.

Detailed explanation-4: -A1. The starting up of the computer is known as booting. It initiates all the devices before starting any work on the computer. Moreover, the operating system is loaded into the main memory.

There is 1 question to complete.
Previous
Next