Memory Management


Q41.

A processor can support a maximum memory of 4GB, where the memory is word-addressable (a word consists of two bytes). The size of the address bus of the process or is at least bits________.
GateOverflow

Q42.

Using the page table shown below, translate the physical address 25 to virtual address. The address length is 16 bits and page size is 2048 words while the size of the physical memory is four frames.\begin{array}{lcc} \text { Page } & \text { Present }(1-In , 0-Out) & \text { Frame } \\ 0 & 1 & 3 \\ 1 & 1 & 2 \\ 2 & 1 & 0 \\ 3 & 0 & - \end{array}
GateOverflow

Q43.

Dirty bit is used to indicate which of the following?
GateOverflow

Q44.

In a 64- bit machine, with 2 GB RAM, and 8 KB page size, how many entries will be there in the page table if its is inverted?
GateOverflow

Q45.

Which of the following are the likely causes of thrashing?
GateOverflow