

Computer Hardware - Engineering
Q1: What is the size of the reserved memory area?A 64 kb
B
384 kb
C
1024 kb
D
None of the above
ANS:B - 384 kb In DOS memory management, the upper memory area (UMA) refers to memory between the addresses of 640 KB and 1024 KB (0xA0000-0xFFFFF) in an IBM PC or compatible. IBM reserved the uppermost 384 KB of the 8088 CPU's 1024 KB address space for ROM, RAM on peripherals, and memory-mapped input/output. |


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