COMPUTER FUNDAMENTALS

COMPUTER ARCHITECTURE

MEMORY SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why is ROM need in a computer system?
A
It stores the ‘bootstrap loader’ which is needed to load the operating system.Without it, the computer wouldn’t turn on.
B
It stores the data of the operating system and programs that are currently running, for access by the CPU.
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The bootstrap loader is stored in the ROM because It is a non-volatile memory meaning that that the information is not lost when the computer shuts down. In addition is has a small memory size and is used to only keep permanent data which are necessary to bring about basic functions i.e. bootstrap loader.

Detailed explanation-2: -RAM, which stands for random access memory, and ROM, which stands for read-only memory, are both present in your computer. RAM is volatile memory that temporarily stores the files you are working on. ROM is non-volatile memory that permanently stores instructions for your computer.

Detailed explanation-3: -Alternatively called bootstrapping, bootloader, or boot program, a bootstrap loader is a program that resides in the computer’s EPROM, ROM, or another non-volatile memory.

There is 1 question to complete.