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A $1-$Mbyte block of memory is allocated using the buddy system. Show the results of the following sequence by completing the table below: Request $70$ Kbytes $($A$)$; Request $35$ Kbytes $($B$)$; Request $80$ Kbytes $($C$)$; Release A; Request $60$ Kbytes $($D$)$; Release B; Release D; Release C$.$

$1MB$

$A=128K$

$128K$

$B=64K$

$64K$

$D=64K$

$C=128K$

$512K$