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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.
Introduction to Microprocessor: Microprocessor works like a CPU in a microcomputer. It's present as a single IC chip in a microcomputer. Microprocessor is the soul of the machi
AAM: ASCII Adjust for Multiplication after execution. This instruction converts the product available in the AL into unpacked BCD format. This follows a multiplication instruct
Assembly Language: Inside the 8085, instructions are really stored like binary numbers, not a very good manner to look at them and very difficult to decipher. An assembler is
SEG : Segment of a Label:- The SEG operator is which is used to decide the segment address of the, variable, label or procedure and substitutes the segment base address in plac
a- Trace the following program fragment and find out the content of ax after the the execution of the program. X db 5,7 -3,-9,4,-7,9 Mov
00h-1h
DQ: Define Quad word:- This directive is taken in use to direct the assembler to reserve 4 words (8 bytes) of memory for the specified variable and can initialise it having
The modes are determined by the contents of the control register, whose format is given in Figure These modes are: Mode 0: If a group is in mode 0, it is divided into 2 sets.
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
General terms for Cache : Cache Hits : When the cache consisted the information requested, the transaction is said to be a cache hit. Cache Miss : When the cache does n
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