Assalamualaikum steemians!

How are you all?Today I am sharing an informative and educational post with you that is about ROM(Read only memory).Types of read only memory and advantages of read only memory.
So without wasting time let's start.

ROM:

ROM stands for browse solely Memory. The memory from that we will solely browse however cannot write about it. this sort of memory is non-volatile. the knowledge is keep for good in such recollections throughout manufacture. A memory board stores such directions that ar needed to start out a pc. This operation is named as bootstrap. memory board chips aren't solely utilized in the pc however conjointly in alternative electronic things like washer and microwave.

(Source of picture is google and link of picture is https://images.app.goo.gl/dvdR3p7XMQdpwqeL6 )

ROM
Let us currently discuss the varied sorts of ROMs and their characteristics.

MROM (Masked ROM):

The terribly 1st ROMs were hard-wired devices that contained a pre-programmed set of knowledge or directions. These reasonably ROMs ar called covert ROMs, that ar cheap.

PROM (Programmable browse solely Memory):

PROM is computer storage which will be changed just once by a user. The user buys a blank promenade and enters the specified contents employing a promenade program. within the promenade chip, there ar tiny fuses that ar burnt open throughout programming. It may be programmed just once and isn't effaceable.

EPROM (Erasable and Programmable browse solely Memory):

EPROM may be erased by exposing it to ultra-violet lightweight for a period of up to forty minutes. Usually, associate degree erasable programmable read-only memory implement achieves this perform. throughout programming, associate degree electrical charge is cornered in associate degree insulated gate region. The charge is maintained for quite ten years as a result of the charge has no run path. For erasing this charge, ultra-violet lightweight is responded to a quartz window (lid). This exposure to ultra-violet lightweight dissipates the charge. throughout traditional use, the quartz lid is sealed with a sticker.

•EEPROM (Electrically effaceable and Programmable browse solely Memory)
•EEPROM is programmed and erased electrically. It may be erased and reprogrammed regarding 10 thousand-fold. each erasing and programming take regarding four to ten ms (millisecond). In EEPROM, any location may be by selection erased and programmed. EEPROMs may be erased one computer memory unit at a time, instead of erasing the whole chip. Hence, the method of reprogramming is versatile however slow.

Advantages of memory board:

(Source of picture is google and link is https://images.app.goo.gl/S2yMXCtneke1J4Z49 )

The advantages of memory board ar as follows:
•Non-volatile in nature
•Cannot be accidentally modified
•Cheaper than RAMs
•Easy to check
•More reliable than RAMs
•Static and don't need refreshing
•Contents ar perpetually well-known and may be verified.
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