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Computer Memory

The computer memory is a physical device used to store data or programs for use in a computer. Some types of computer memory include RAM (random access memory), ROM (read-only memory), and page cache.

4,434 Questions

Is data easier to change in rom or ram?

ROM (Read Only Memory) contains the data necessary to start the booting process, and is put there by the manufacturer. It is not meant to be altered by the user. RAM (Random Access Memory) is the volatile memory the computer user is meant to use in processing data. It is volatile as, unless the data is saved to the hard-drive before closing down the computer, the data is lost.

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 type of memory as volatile?

RAM, Random Access Memory is the Volatile memory; Which in return means that when you shut off your computer this memory will be completely wiped

What are the two types of cache memory?

There are different type of cache memory: processor cache memory, cache memory ram,1 cache memory l2, cache memory, CPU cache memory, disk cache memory, hard disk cache, cache memory motherboard.

If a particular computer has 8 byte addressability and a 4 bit address space how many bytes of memory does that computer have?

8byte addressability: 8bytes can be stored in each memory location. 3bits to access: so 8 memory locations ( 2^3) total size = 8 * 8bytes( each memory location contains) = 64 bytes any queries or discussions, feel free to contact me at: chintala.ganesh@wipro.com

What is a unit of computer memory?

KB = 1024 Bytes MB = 1,048,576 Bytes Byte = 8 Bits Note K can sometimes = 1000 and M can = 1,000,000 It depends on whether your talking about Hard Drive storage (1000) Download speeds (1000) or RAM memory(1024) . Than RAM is different because it uses a Binary value that is sometimes rounded out to a Decimal value

How many bytes in 250 megabyte?

Both megabyte and kilobytes are common terms used for digital information. Both are multiples of the "byte" unit. Since "kilo" means 1,000 and "mega" means 1,000,000. That means that there are 1,000 kilobytes in each megabyte, so there are 250,000 kilobytes in 250 megabytes.

How magnetic tape system is work?

Magnetic tape that is to be used as a magnet, is cut to a certain length and stuck to the back of a product to make it stick to metal. Magnetic tape in a tape recorder works by recording or playing back what is recorded.

How much memory is 320 GB of memory on a laptop?

you will get around 297GB space in your hard drive

What is the best RAM size for a laptop?

The best RAM for your laptop is what can get put in to it and what the motherboard can handle usually a 64 bit OS can handle about 16gb RAM but a 32 bit OS can handle 8gb again in depends on how good your laptop is ?

Is volatile memory permanent?

A flash memory chip is a close relative to EEPROM, it differs in that it can erase one block or page at a time. Therefore flash memory is a non volatile memory.

Which is bigger kilobyte megabyte gigabyte and terabyte?

The sequence in memory size is * 8 bits = 1 byte * 1,024 bytes = 1 kilobyte * 1,024 kilobytes = 1 megabyte * 1,024 megabytes = 1 gigabyte * 1,024 gigabytes = 1 terabyte * 1,024 terabytes = 1 petabyte .... and we haven't yet come to need to use the next stage, which will be * 1,024 petabytes = 1 exabyte

What is the difference between MMC and SD?

have run thru same question and found the answer at:
http://arbigee.iblogger.org/index.php/home/35-gadgets/57-differences-of-sd-and-mmc-cards
hope this helps..

No that doesnt help. People have to write down the address and go search so. Yeah I am assuming the answer is SD.

Who is the owner of Samsung mobile company?

Lee Byung-chull (February 12, 1910 in Uiryeong, Gyeongsangnam-do � November 19, 1987 in Seoul) was the founder of the Samsung Group and one of South Korea's most successful businessmen. With the breakup of the Hyundai chaebol, Samsung is now South Korea's largest business group

What functions does a aluminum plate on a RIMM serve?

Not sure what a RIMM module is, but in general electronics we use metal plates to disperse heat. Removing plate will result in either a fire or fried electronics.

If it looks more like it has encapsulated something it may be there as a shield (ie stopping radio waves from entering or exiting module) as this may cause interference resulting in erroneous behavior.

How many pins of ddr3 ram?

Here's what I found out for you. The DDR3 has 240 pins just like the DDR2, however, they will not be compatible, you will not be able to put a DDR3 into a DDR2 slot. The knotch on the stick of RAM is in a different location so it will not fit. So a new motherboard made for DDR3 will have to be used. They are currently out on the MAC Lite computers but not sure if Microsoft has any on the market yet. The DDR3 will use 1.5V, which is lower than the DDR2 1.8V.

What is the difference between internal memory and backing storage?

Backing storage is where information can be repeatedly stored and modified in a permanent way and main storage is main storage is understood to be the program addressable memory that houses the executable and data necessary to launch and run various systems and programs. More commonly referred to as primary storage or memory, main storage directly interfaces with the CPU, which reads the instructions connected with the executable and performs the tasks necessary to handle the data. All data necessary for the effective function of programs saved on the hard drive is maintained in the main storage.

What is RAM Memory on a computer and what is it used for?

RAM is the Random Access Memory. The most primary role of RAM is to copy the operating system in to itself and then load the Operating System so that you can work. Also when you install any software, it requires some minimum amount of memory, else it will deny to install.

  • For DOS, 16 MB of RAM is sufficient
  • For Windows 98, Minimum RAM requirement is 32 MB
  • For Windows XP, Minimum RAM requirement is 64 MB
  • For Windows Vista, Minimum RAM requirement is 512 MB

What is a flash memory card?

A flash memory card is a card that holds digital data. An example of a flash memory card would be an SD Card, Micro SD, Memory Stick Pro Duo, Flash Drive (Thumb Drive, USB key). All Ipod models except the ipod classic use flash memory. Flash memory has no moving parts, but, hardrives do. Those are classified under, non-flash memory. Flash memory cards have different memory capacities. The higher the capacity, the more expensive it will be. But, the higher capacity, the more stuff can be put on it. Hope this helps

How do you change laptop ram?

This is probably the easiest thing you can do yourself on your computer. The good thing is that no matter if its a laptop or desktop, the RAM is in a easy to access spot.

First, find out the maximum amount of RAM your computer can handle, and then purchase the RAM.

Depending on your computer model, the steps will vary but there are some video tutorials that show step by step how you do it.

1.4mb equals how many bytes?

There are technically 1,440,000 bytes that make up 1.44 megabytes. The floppy disk that used to be used to hold data for a computer was labeled as a 1.44 mb disk, although it actually held 1,474,560 bytes.