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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
First of All ROM stands for READ ONLY MEMORY the role of ROM in computer is to store all the Information about any computer hardware such as the processor speed, CD-ROM/DVD-ROM drives etc. It is a permenant memory which contains also BIOS (basic input output system) configuration and settings.
Who invented the first ram chip?
The first computer RAM was invented by Freddie Williams and Tom Kilburn in England in 1946 using CRTs similar to those used in laboratory oscilloscopes of the time. The memory was electrostatic and required refresh like modern DRAM. The main difference between their memory and modern DRAM in operation was that addressing and refreshing required analog deflection amplifiers instead of being completely digital.
What type of DIMM supports triple channeling?
DIMM is a type of computer memory for your computer, and it supports certain types of channeling. DIMM 1, 2 3, and 4 supports some types of dual channelling.
What is a type of computer memory that can be accessed randomly?
Of Course. RAM= Random Access Memory, so yes, you CAN randomly access your RAM... And you Probably ARE RIGHT NOW!
What is the function of the program counter register?
The function of the program counter register is to hold the address of the instruction that is being executed and (later) to hold the address of the instruction that will be executed next.
Where do you plug a memory card in a computer?
you will need a card reader to connect your memory card in a computer, card reader can be plug in a USB port.
How do you reset the computer on a 1996 Dodge Ram?
Take it to auto zone or orielly part store something similar to that and have them use the machine that plugs in under the dash and select reset code. One other thing u might try is unplugging the battery for a half hour to force reset the computer. goodluck.
Which the largest kilobyte gigabyte megabyte or terabyte?
From largest to smallest: Terabyte, gigabyte, megabyte, kilobyte.
Looking at the prefix of the word will give you the answer. "Kilo" means 1000. "Mega" means one million. "Giga" means one billion. This prefix system is commonly used in the metric system as well, so feel free to read more about it.
What is the general relationship among access time memory cost and capacity?
Faster access time, greater cost per bit; greater capacity, smaller cost per bit; greater
capacity, slower access time.
As a general rule (but there are exceptions) the greater the capacity of a memory the longer the access time. For a higher cost the access time of a given capacity memory can usually be shortened some.
As a general rule (but there are exceptions) the greater the capacity of a memory the total memory cost increases, but the memory cost per bit decreases.
How many bits in 20 mega bytes?
1 Bit is the smallest recordable state ( Zero or One / ON or Off / High or Low ) 1 Byte is 8 Bits which can represent a number upto 256 ( 2**8) or a character 1 KiloBytes (KB) is 2**10 Bytes == 1024 Bytes //// "Slang" as One Thousand 1 MegaBytes (MB) is 2**20 Bytes = 2**10 * 2**10 Bytes 1,045,876 Bytes //// "Slang" as One Million 1 GigaByte (GB) is 2**30 == 1,073,741,824 //// "Slang" as One Billion So 20 Gigabytes is 20 * 2**30 Bytes 1 TeraByte (GB) is 2**40 == 1,099,511,627,776 //// "Slang" as One Trillion From the above, you can see why a 32 bit operating system can address upto 4 GB of memory (2**32 4GB if your computer has 4GB of RAM and a 32 bit OS, it will not be able to address it all since some of that address is used by video cards and other devices. This is why most PCs have either 3GB (or less) with a 32 bit OS or MORE & MORE ( 4+GB with 64 Bit OS)
How many 30-pin simms are installed in one bank?
30-pin SIMMs are installed in groups of four. SIMMs in each group or bank must be the same type and size.
How many terabytes are in one petabyte?
There are 1000 terabytes (TB) in a petabyte (PB). There is an older definition based on multiples of 1024 instead of 1000, but this was changed, and tebibytes and pebibyte are the ones based on multiples of 1024.
Computer Manufactures consider it being 1000. But the OS will say 1024 (due to the binary numbering).
Here is the memory ladder according to computer manufactures
- 8 bits= 1 Byte
- 1000 bytes= 1 Kilobyte
- 1000 Kilobytes= 1 Megabyte
- 1000 Megabytes= 1 Gigabyte
- 1000 Gigabytes= 1 Terabyte
- 1000 Terabytes= 1 Petabyte
- 1000 Petabytes= 1 Exabyte
- 1000 Exabytes= 1 Zettabyte
- 1000 Zettabytes= 1 Yottabyte
Here it is according to binary prefix and the older numbering system:
- 8 bits= 1 Byte
- 1024 bytes= 1 Kilobyte
- 1024 Kilobytes= 1 Megabyte (1 048 576 bytes)
- 1024 Megabytes= 1 Gigabyte (1 073 741 824 bytes)
- 1024 Gigabytes= 1 Terabyte
- 1024 Terabytes= 1 Petabyte
- 1024 Petabytes= 1 Exabyte
- 1024 Exabytes= 1 Zettabyte
- 1024 Zettabytes= 1 Yottabyte
What is the random operating memory?
There is no such thing.
random access memory maybe? RAM
ROM = Read Only Memory, not Random Operating Memory.
The ________ is the essential component of the operating system that remains in RAM when your computer is powered on.
See this answer : http://wiki.answers.com/Q/What_is_the_difference_between_primary_memory_and_secondary_memory
What is the process of loading a process secondary memory into primary memory?
The computer usually uses its input/output channels to access secondary storage and transfers the desired data using intermediate area in primary storage.
What ports are available on desktop computers?
Ports are something where you can connect output devices and other devices.
Here is a list of different ports you can have:
USB ports
SD card reader port
SATA ports (located on the motherboard)
What does the cache memory do in accessing data?
Generally, there isn't. Specifically, you got a shot. Here's what I mean.
Cache - Stores minor information in your system from website's such as log-in information, what pages you visited, and what products you looked at. It also saves information pertaining your applications (software) window size and location. Cache is stored in Temp folders, although it is pointless to access this. If you are wanting to clean your Cache, I always recommend CCleaner, I've been using it for years.
"BIOS is stored on a ROM (Read Only Memory) chip, however, the data in the ROM chip can be changed. Its called flashing BIOs. It is done with software."
^You did not answer the question. He asked the "type" of ROM. EEPROM is the type of ROM that is able to be reprogrammed while physically installed in the computer.
