The 8085 microprocessor does not prefetch instructions. The 8086/8088 and higher microprocessors do, in order to boost performance. They are trading idle time in the bus-interface unit, idle time waiting on the execution unit, in order to attempt to have the next instruction already fetched and available when the execution unit finally needs it. This is done by separating the execution unit from the bus-interface unit, and allowing them to operate somewhat asynchronously. Since most instructions will be followed by instructions at the next higher address, this can boost performance by minimizing idle time.
The process of time sharing allows the processor to begin executing another instruction before completing the previous instruction. The computer is actually multi-tasking the same way we might read the newspaper and watch television at the same time.
pipelining
pipelining
Serial processing
MMX (multimedia extensions)
Extended Memory 64 Technology
Macintosh's processor (produce by Intel) are the most common use RISC technology.
• The processor fetches the instruction from memory • Program counter (PC) holds address of the instruction to be fetched next • PC is incremented after each fetch • Fetched instruction loaded into instruction register
liquid cooling technology
pipelining
What term does AMD use to describe the processor technology that uses a 64 - bit instruction set with 32 - bit internal core processing
Intel 8086 has two separate units for fetching the instruction and executing the instruction. Thus while executing one instruction other instruction can be fetched. Thus it avoids the waiting time for the Execution Unit to receive other instruction. Bus Interface Unit (instruction fetching unit) stores the fetched instructions in a 6 level deep FIFO. This improves overall speed of the processor.
MMX (multimedia extensions)
MMX (Multimedia Extensions)
MMX (Multimedia Extensions
To add a new machine language instruction to an processor instruction set, you need to replace the microcode of the processor.
extended memory 64 technology or EM64T
(EM64T) or Extended Memory 64 Technology
What term does AMD use to describe the processor technology that uses a 64 - bit instruction set with 32 - bit internal core processing
Processor Technology was created in 1975.
All mainstream processors from the Prescott-core Pentium 4 and Venice-core Athlon 64 onward support those instructions.