Random access memory (ram)
RAM
Cache
ROM stands for Read only memory. Its not extra on your computer. Operating System cannot load into Ram from hard disk without help of Rom. Rom contains instructions which are used to start a computer
It depends on the computer, every computer is different. If you want to check your memory go to Start > Control Panel > System. There you can find information about the computer, and also the memory.
An operating system in storage and loads it into memory.
When the computer start all the essential files, to start the operating system load from disk to the memory.Basically the bootstrap program is loaded into the read only memory(ROM) which enables while the computer start.
replace the memory replace the memory
It is Read Only Memory(ROM) BIOS, basic input/output system, is the system that first runs when a computer is powered on. The software is contained on a ROM chip on the mothrboard and is responsible for executing the boot sequence for different peripherals and the operating system
The easiest way to figure this out is by going to start, then right clicking on "My Computer".
because the computer has no where to store it's files. The computer wont even start up without memory.
The operating system is loaded into the computers internal memory (RAM) at start-up. The operating system needs to 'reserve' chunks of memory to enable it to perform its functions swiftly and accurately. If a computer doesn't have enough RAM, the computer cannot run the operating system efficiently, often using empty hard-disk space - which slows down the computer.
Technically, no, but it is extremely suggested that you do, as the computer would be nearly useless without memory.
On start up the computer fetches information from BIOS. BIOS is a ROM. After that the computer loads OS from Hard disk into the RAM.
RAM is used for storing the start-up instructions on the computer. This serves as the memory of the computer which will retrieve such instructions.