When programs written for older computers can be executed on the new machine it is said to be: Group of answer choices Complex Upward compatible Dynamic Consistent
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Compatibility refers to the ability of software or hardware to work with other software or hardware. Show more…
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6. Until which CPU is the P4 backward compatible? A: 80386 B: 8088 C: 80486 D: 80286 23. What is the most unpleasant matter with variable-length instructions? A: It's hard to determine how many bytes we have to fetch into the pipeline. B: It's hard to determine how fast different instructions execute. C: It's hard to determine how much space the program allocates in memory. D: It's hard to determine how many instructions we have to fetch into the pipeline. 24. What is expanding opcodes? A: Instructions are with the same length, but the opcode part and operand part lengths can vary. B: Adding new instructions with which we can carry out more operations. C: Instructions can work with more types of data after the expansion. D: Instructions are with different lengths, so we can expand them unlimitedly. 25. What is register addressing? A: The register contains a memory address. B: The register contains an index with which we can calculate a memory address. C: The register contains the data we need. D: The mode of how we select a register. 26. Which one is a monadic instruction? A: OR B: XOR C: NOT D: AND 11. What advantages do we have to merging the original Main 1-line with the microprogram? A: We need less microprogram store. B: Some microprograms will run in shorter time. C: All microprograms will run faster. D: Some microprogram operands will not be needed.
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