In the von Neumann model, the contents of a memory location can also be an instruction. If the binary pattern in address O were interpreted as an LC-3 instruction, what instruction would it represent? What is the OPCODE?
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A: Solution:
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- How does pipelining improve CPU efficiency? What’s the potential effect on pipelining’s efficiency when executing a conditional BRANCH instruction? What techniques can be used to make pipelining more efficient when executing conditional BRANCH instructions?A(n) ________________ instruction always alters the instruction execution sequence. A(n) ______________ instruction alters the instruction execution sequence only if a specified Condition is true._____ is a CPU design technique in which instruction execution is divided into multiple stages and different instructions can execute in different stages simultaneously.
- The von Neumann architecture stores a program and its data in memory. Thus, if a program misinterprets a memory address for a piece of data when it really contains a program instruction, it may unintentionally (or intentionally) change itself. What effects will this have on you as a programmer?For a microprocessor 68000 Motorola system, how many memory addresses which can be accessed by it? Prove it and justify the last address of the memory location. Then, sketch the memory map of it by using the address calculated.Under the von Neumann architecture, a program and its data are both stored in memory. Itis therefore possible for a program, thinking a memory location holds a piece of data when it actually holds a program instruction, to accidentally (or on purpose) modify itself. Whatimplications does this present to you as a programmer?
- Under the von Neumann architecture, a program and its dataare both stored in memory. It is therefore possible for a program,thinking that a memory location holds a piece of data when itactually holds a program instruction, to accidentally (or onpurpose) modify itself. What implications does this present to youas a programmer?Q1:Suppose the initial physical address of a segment register is given by 0E41:A02EH. Determine the physical address, base and final address of that segment register of 8086 microprocessorWhat happens if a cache miss occurs? Is there a significant lag in the execution of the instruction as a consequence of this? If that's the case, why is that?
- Let's pretend for a moment that we have a byte-addressable computer with 16-bit main memory addresses and 32-bit cache memory blocks, and that it employs two-way set associative mapping. Knowing that each block has eight bytes, please calculate the size of the offset field and provide evidence of your calculations.What are the advantages of the Harvard architecture in relation to the von Neumann architecture? If you equip a von Neumann machine with a dual-ported RAM (that is a RAM which allows two concurrent accesses), does this make it a Harvard machine, or is there still something missing?How big of an improvement is a segmented memory address translation as compared to a translation that is done directly?