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Cache Memory
Caching is a technology based on the memory subsystem of any computer. The majoraim of a cache is to accelerate the computer while keeping the cost of the computer low. Caching let to do computer tasks more quickly.
Cache technology is the utilities of a faster but smaller memory type to accelerate a slower but larger memory type.
Cache is small high speed memory generally Static RAM that have the most recently accessed pieces of the time it takes to an instruction (or piece of data) into the processor is very long when compared to thetime to execute the instruction.
When by using a cache, we might check the cache to see if the item is in the cache. If it is, that is known a cache hit. If not, it is known a cache miss and the computer might wait for a round trip from the larger and slower memory area.
A cache has some maximum size that is very small then larger storage area.
Cache memory helps by decreasing the time it takes to move information to processor & from the processor. Cache memory permits small portions of major memory to be accessed 3 to 4 times faster than DRAM It applies "Locality of Reference." At any time the processor will be accessing the memory in localized or small region of memory. The cache loads this region byallowing the processor to access the memory region faster.
Program : A program to move a string of the data words from offset 2000H to offset 3000H the length of the string is OFH. Solution : For writing this program, we will use
need some project ideas
using 8086 assembly language that interchange upper four bits to lower four bits. assume that data store in byte memory and it written back to same location. and assume the data as
Write a program on the assembly language to do the following: 1- Allocate array with 32bit 100 element 2- Prompt the user to enter the maximum or the upper bound of the rando
As an instance of the normal priority mode, imagine that initially AEOI is equal to 0 and all the ISR and IMR bits are clear. Also consider that, as shown in given figure, requests
move a byte string ,16 bytes long from the offset 0200H to 0300H in the segment 7000H
General Data Registers Given figure indicate the register organization of 8086. The registers DX, CX, BX and AX are the general purpose 16-bit registers. AX is behaved as 16-bi
implement the following c++ code in assembly language using the block-structured .IF and .while directives
;StrNCpyAsm - copy zero terminated string2 to zero terminated string1, ; but copy no more than count (parameter) characters ; or the length of string2, whi
Addressing mode of 8086 : Addressing mode specify a way of locating operands or data. Depending on the data types used the memory addressing modes and in the instruction ,
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