Question 1 Howthe following works? (i)READY (ii)INTR (iii)NMI Answer: https://sikshapath.in/question/how-ready-intr-nmi-works-microprocessor/ Question 2 If the content of DS and BX register is 2500H and 1000H respectively. From which memory location will 8086 fetch the data while executing inRead more
If the content of DS and BX register is 2500H and 1000H respectively. From which memory location will 8086 fetch the data while executing instruction MOV CX,[BX].
The execution unit (EU) is supposed to decode or execute an instruction. When EU is busy in decoding and executing an instruction, the BIU fetches up to six instruction bytes for the next instructions. These bytes are called as the pre-fetched bytes and they are stored in a first in first out (FIFO)Read more
The execution unit (EU) is supposed to decode or execute an instruction. When EU is busy in decoding and executing an instruction, the BIU fetches up to six instruction bytes for the next instructions. These bytes are called as the pre-fetched bytes and they are stored in a first in first out (FIFO) register set, which is called as a queue.
The fetching of opcodes well in advance, prior to their need for execution increases the overall efficiency of the processor boosting its speed. The processor no longer has to wait for the memory access operations for the subsequent instruction opcode to complete.
Instruction queue is 6 bytes so that it can store the longest instruction.
8086 is the Ist processor to support Instruction Queue.
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How the following works? (i)READY (ii)INTR (iii)NMI
Question 1 Howthe following works? (i)READY (ii)INTR (iii)NMI Answer: https://sikshapath.in/question/how-ready-intr-nmi-works-microprocessor/ Question 2 If the content of DS and BX register is 2500H and 1000H respectively. From which memory location will 8086 fetch the data while executing inRead more
Question 1
Howthe following works?
Answer:
Question 2
If the content of DS and BX register is 2500H and 1000H respectively. From which memory location will 8086 fetch the data while executing instruction MOV CX,[BX].
Answer:
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The execution unit (EU) is supposed to decode or execute an instruction. When EU is busy in decoding and executing an instruction, the BIU fetches up to six instruction bytes for the next instructions. These bytes are called as the pre-fetched bytes and they are stored in a first in first out (FIFO)Read more
The execution unit (EU) is supposed to decode or execute an instruction. When EU is busy in decoding and executing an instruction, the BIU fetches up to six instruction bytes for the next instructions. These bytes are called as the pre-fetched bytes and they are stored in a first in first out (FIFO) register set, which is called as a queue.
The fetching of opcodes well in advance, prior to their need for execution increases the overall efficiency of the processor boosting its speed. The processor no longer has to wait for the memory access operations for the subsequent instruction opcode to complete.
Instruction queue is 6 bytes so that it can store the longest instruction.
8086 is the Ist processor to support Instruction Queue.
See lessState the significance of LOCK signal in 8086. In which …
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Answer: False, the OS is software, it is not a physical part of the computer.
Answer: False, the OS is software, it is not a physical part of the computer.
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