NIELIT 2016 MAR Scientist B - Section C: 39

Question

Working set$(t,k)$ at an instant of time, $t$,is

• A. The set of $k$ future references that the operating system will make
• B. The set of future references that the operating system will make in the next $'k'$ time units
• C. The set of $k$ references with high frequency
• D. The set of pages that have been referenced in the last $k$ time units

Answer 1

Working set(set of pages referenced by the last t memory references , at time)

Working set(t,k)

 the working set at time k (with window t) is the set of pages referenced by the last t memory references ending at reference k

option D:.The set of pages that have been referenced in the last k time units