Could anyone please help me with these? I\'m looking for someone to provide home
ID: 3648713 • Letter: C
Question
Could anyone please help me with these? I'm looking for someone to provide homework help for compensation. Please let me know.
3. (20 points) Create a page translation table the meets the requirements of the virtual memory system shown below. Assume page (and frame) sizes of 20 with pages 0 through 3 in logical memory and frames 0 through 7 in physical memory.
(Hint: Similar to Self-Assessment Question 7)
Logical Memory Physical Memory
0
19
A
0
39
20
79
B
B
40
99
80
100
119
A
120
139
140
159
160
Page
Frame
4. (20 points) A computer system with 16K of memory, a Memory Management Unit with a page size of 2000, and the following page translation table:
(Note: All numbers are in hexadecimal, NOT decimal)
Logical Address
Physical Start
0000
10000
2000
1F200
4000
2CC00
6000
22400
8000
30300
A000
41600
C000
81E00
E000
3F500
b. Indicate the logical address corresponding to physical memory location 10F00.
5. (2 points) The least efficient type of I/O is ________.
a) Direct Memory Access (DMA)
b) Programmed I/O
c) Programmed I/O with Interrupts
6. (2 points)
0
19
A
0
39
20
79
B
B
40
99
80
100
119
A
120
139
140
159
Explanation / Answer
logical addr -> physical addr : size 0 -> 100 : 50 100 -> 250 : 100 150 -> 400 : 50 logical page -> physical frame 0 -> 4 1 -> 5 2 -> 10 3 -> 11 4 -> 12 5 -> 13 6 -> 16 7 -> 17 logical -> physical 10F00 -> 7500