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When you put a CD into a computer, you must format it. When formatting is done on your CD, you will notice it has less memory on it then what it is supposed to have. This is because the computer puts "formatting files" on the CD. These formatting files are essential to using a CD with your computer. They tell the computer where on the CD to put your files, which helps keep them from getting corrupted (not working/usable).

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Q: Why you can not use the whole memory of CD ROM or hardware?
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Is ROM an internal memory of computer?

what do you mean by internal memory ? Read only memory is a thing which acts as a interface between kernal and interfacing hardware... it helps passing orders from the kernal to the hardware and makes it work ! i guess this definitely fitting in the category of the internal memory but it is not used as a storing the user's data for his personal use ..!


How do you fix ROM bugs?

ROM bugs cannot be fixed, ROM stands for Read Only Memory. It stores vital information about your computers hardware. All modern computers use a form of ROM called PROM or Programmable ROM, these can be reinstalled or upgraded by any user. Go to your motherboard manufacturer's website and look for BIOS updates.


Rom is internal or external memory?

Read Only Memory is the internal memory computers use to start up reliably


What is memory that cannot be changed or erased?

Read Only Memory or ROM. There are also Erasable ROMs called EPROMs, EAROMS, EEROMS, and Flash Memory. The erasable ROMS will only be erased under special circumstances, and when in use they act the same as a normal ROM.


What types of memory do notebook computers use?

Hard drive, ROM (read-only memory) and RAM (random access memory)


What does a ROM do in a computer?

Read-only memory (usually known by its acronym, ROM) is a class of storage media used in computers and other electronic devices. Because data stored in ROM cannot be modified (at least not very quickly or easily), it is mainly used to distribute firmware (software that is very closely tied to specific hardware, and unlikely to require frequent updates).


Why you can not use the whole memory which has given?

this is because some of the memory is being used to create the memory which you can use


How do prom and eprom differ from each other?

Ans. Read Only Memory (ROM):Another important part of main memory is Read Only Memory (ROM). Instructions can only be read from ROM. Instructions once written on ROM chip cannot be changed. It is a permanent or non-volatile memory of a computer, i.e. the contents of this type of memory are not lost when the computer is turned off. As soon as the computer is turned on, a program that resides in ROM automatically makes the computer ready for use. ROM is a semiconductor memory generally programmed by the manufacturer.Difference between PROM and EPROM:(Programmable Read Only Memory):It is a non-permanent memory of a computer. It is programmeable read only memory.EPROM (Erasable and programmable Read Only Memory):It is a non-permanent memory of a computer. It is programmeable and erase able read only memory.


When the computer boots which memory does it use either the ram or rom?

The computer is pulling from the hard drive information and is putting into RAM by using software that is burned into the ROM.


How you can rewrite the DVD Rom?

If it's a DVD ROM tou cannot. ROM = read only memory Answer 2: You have to use ReWritable DVD Rom Media in order to erase or change anything on the disk, just look for ReWriteable on the label.


Which hardware component contains instructions that are used during the booting of the computer?

That would be firmware such as the ROM BIOS or the EFI. That is Read-Only Memory or a modern variation. BIOS stands for Basic Input/Output System, while the newer technology EFI stands for Extensible Firmware Interface.ROM doesn't require in any batteries. Even EPROM, EEPROM, and NVRAM don't use batteries. What did use batteries was the CMOS memory which may be separate from the ROM, though it could be in the same chip or part of the real-time clock chip. That was not Read-Only Memory, since you would use the CMOS setup to change it. If it can't be changed, no battery would be required. When that battery dies, you only use the hardware settings, not the code that brings up the computer.


ROM preserves its contents even when the computer is what?

Off ROM (Read Only Memory) is typically used to write permanent data or instructions to a system for use even after the computer is turned off. Examples of ROM are your BIOS and Firmware