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If a processor has begun executing an instruction before it completes the previous instruction it must be using?
Wiki User
∙ 12y ago
pipelining
Wiki User
∙ 12y ago
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What technology called a processor can begin executing an instruction before it completes the previous instruction?
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.
If the accumulator has C5H from a previous instruction and the carry flag is set then what will be the contents of the accumulator and carry flag after executing the instruction ADI 94H?
If you add 94H to C5H with the ADI instruction, the result in the accumulator will be 59H and the carry flag will be set. It does not matter what value the carry flag had to start with, because you said ADI, instead of ACI. (For ACI, the result would be 5AH with carry set.)
Louis XIV maintained complete authority as monarch by?
Executing the previous monarchs entire family
What is the advantages and disadvantages of corei3 processor?
An advantage of the Core i3 processor is that it is faster than previous processors such as the Pentium 4. A disadvantage is that the i5 and i7 are generally faster.
What is the situation in which the Cpu needs the result of previous instruction to process another one?
data dependency
How pipelining a processor often provides a substantial improvement in processing speed?
Pipelining a processor provides substantial improvements to processing speeds by making it a straight through device. That means all data goes straight through and there is nothing to slow it down.
What is the difference between register addressing mode and register indirect addressing mode?
Ans: In the register addressing mode the operands are in registers which reside within the CPU. Register-mode instructions are 1-byte instructions and can be executed within the CPU without the need to reference memory for operands. But in the Register-indirect addressing mode the instruction specifies a register or a pair of registers in the processor whose contains give the address of the operand in memory. This mode uses 1-byte instructions even though the operand is in memory. Before using a register-indirect mode instruction, the programmer must ensure that the address of the operand is placed in the processor register with a previous transfer-type instruction. A reference to the register is then equivalent to specifying a memory address.
What is remedial instruction in English?
Remedial instruction is teaching the necessary material, or courses, that the students have either not encountered, or have failed to pass on previous attempts. It is often used to ensure that the prerequisites for later courses are understood, especially in higher education.
What type of job opportunity best suits your previous job experience?
The type of job opportunity that best suits ones previous job experience is one that completes the same sorts of tastes as the past job. Making connections between the two is important.
On Pokemon platinum how do you Get Squirtle?
If you have previous GBA games you canuse the Pal Park to transfer it. Look in your pokemo Platinium Instruction Booklet to help you
Which answer best completes the series below 140 70 35 17.5?
This is an arithmetic series where each number is half the previous number. The sequence is 140, 70, 35, 17.5, 8.75, 4.375
How do you identify processor age?
Right click My Computer, and figure out what type of processor you have first. (Pentium III, Pentium 4, Athlon, Phenom, etc). This can narrow you down to a small year range that determines the literal age of your processor. For example, the Phenom II have a maximum age range of 2008-2012. How old it is in terms of years of use? This is something nobody can tell you-- Keep track of this yourself or ask the previous owner of the processor.
