Code segment registers A. are usually 16 bits long. B. can be up to 2 GB long. C

Question

Code segment registers A. are usually 16 bits long. B. can be up to 2 GB long. C. holds the code in which a program runs. D. All of the above. E. None of the above. Segment registers A. hold the starting address of a segment. B. hold the starting and ending address of a segment. C. are not available in real mode. D. All of the above. E. None of the above. Data segment registers A. holds the code in which a program runs. B. holds the data accessed by a program. C. can be any length required by the processor. D. All of the above. E. None of the above.

Explanation / Answer

Data segment register (DS) contains the segment address of the memory area which is addressed for data only. DS must be loaded with the upper 16 bits of the address in memory where we want the segment to begin.

Ans (B)

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