Computer Memory

HZ

626 KB is a rather small filesize. It is the equivalent of about 1 picture. 1,024 KB is one megabyte (1MB). A song is typically 3 to 8 MB, or 3,000 to 8,000 KB. Most desktop harddrives today are between 120,000 MB to as much as 1,500,000 MB. Laptops are typically 40,000 to 250,000 MB. 626 KB is such a tiny amount that it's often considered 'negligible'. Or so small it makes no difference. What is listed below is technically correct for BYTES. However a Byte is 8 bits, a a bit (abbreviated as a lower-case 'b' or just 'bit') is the smallest unit of measurement in a computer. Most modern computers however use a filesystem that limits the smallest size of a unit to 512 bytes. So a 1 byte or 1 bit file will both be 512 bytes. This is called a 'cluster'. A cluster may be as large at 64 KB as well. However, for a 626 KB filesize, this is largely irrelevent as it would easily use the clusters efficiently. However having a very large number of files smaller than 512 bytes may waste a lot of space. IE, you could have 100,000 files that are all 1 byte in real size, but they take up a 512 byte size each. Making what would be 100 KB actually take up 51,200,000 KB. Older computers, SD cards, thumb drives, and other USB and flash drives use FAT and FAT32 filesystems, and suffer less of this problem (they can have clusters as small as 32 bytes) Either way though, a single 626 KB file is very, very tiny. It's the eauivalent of just under 1/2 of a floppy drive, or 1/1000th of a CD. Also, TB (Terabyte) is not the largest unit. While very rare to see in a consumer (home user's) computer, there also exist PB (Petabytes), and even EB (Exabytes). Some supercomputer clusters, such as Google, have systems with an EB of storage or more. But there are, at most, a dozen such systems on earth as of this moment (7/31/2010) OLD: no, B is the smallest computer unit, KB is the 2nd smallest, MB is the 3rd smallest, GB is the 4th smallest, TB is the highest computer unit.

The question is in reference to 626Kb however. The lower case 'b' is commonly used to refer to a bit, with is one eight of a byte. The discussion above refers to bytes, commonly abbreviated with a capital B.

Thus, 626Kb are 626/8 KB = 78.25 KB. Since each kilobyte ('K') is 1024 bytes, 626 Kb therefore are 80128 bytes.

By modern standards, this is a rather small file size, but size is of course relative to the space available. Some specialized computers have very little storage, and would struggle to accommodate this amount. Other computers, including modern PCs and similar devices, can easily cope with data of this size.

An ad for memory might sometimes give the CAS Latency value within a series of timing numbers, such as 5-5-5-15. The first value is the CAS latency, which would mean that in this case, this module is CL5. The second value is RAS latency.

It could malfunction when using it, and it does take a lot of time and effort to make and use.

speed

compatability

maximum memory allowed

The memory address is used for data tracking. It is unique to the user and it's able to see what data has been accessed by that particular user.

1.Inbuilt memory is something thats inbuilt to the processor,meaning the processor can access it directly.

2.Then therez external memory that requires an input/output module to access it by the processor.In it:

(a)Outboard storage:Now this type doesnt reqiure an external device to touch it directly(ex-magnetic disk)

(b)Offline storage:This type requires an external device to touch it directly to access(ex-magnetic tape)

degrees or radians. beyond that I will not help. look them up and you will almost certainly learn something.

In the computing world, permanent data is stored in ROM (Read Only Memory).

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clumped clustered together even consistent distance between the individuals random scattered

Memory access time is corresponding to the time interval between the read/write request and the availability of the data.

cycle time representing the minimum time interval between two successive accesses

Examples of secondary memory are magnetic type,floppy disk,CD roms etc

If the architecture allows each individual byte to be adressed then there are 4,000,000 possible addresses ranging from 0 to 3,999,999. So the largest address is 3,999,999 which is 3D08FF in hexadecimal representation

Zenos homework FTL

Control

5000000000000

Virtual memory, when not active, is written to a swapping area. The swapping area is often on a designated area of the system HDD (hard drive), or a separate HDD. If faster storage is available, it may also be on a designated semiconductor storage facility such as an SSD, SD or USB flash drive.

Because of different in speeds of cpu the system bus and the memory circut

Conventional

4 bits=1 nybble 2 nybbles=1 byte
8 bits in a byte

1 MB = 1024 KB = 210 KB