21. The special memory used to store the micro routines of a computer is . . . . . . . .
22. The lower order bits of the virtual address forms the . . . . . . . .
23. The approach where the memory contents are transferred directly to the processor from the memory is called . . . . . . . .
24. The addressing mode/s, which uses the PC instead of a general purpose register is . . . . . . . .
25. The technique whereby the DMA controller steals the access cycles of the processor to operate is called . . . . . . . .
26. The wrong statement/s regarding interrupts and subroutines among the following is/are . . . . . . . .
i) The sub-routine and interrupts have a return statement
ii) Both of them alter the content of the PC
iii) Both are software oriented
iv) Both can be initiated by the user
i) The sub-routine and interrupts have a return statement
ii) Both of them alter the content of the PC
iii) Both are software oriented
iv) Both can be initiated by the user
27. The memory transfers between two variable speed devices are always done at the speed of the faster device.
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