CCP Process & Memory Management 2

Question 1

Which scheduling algorithm can lead to starvation of low-priority processes?

Accepted Answer

Priority Scheduling

Answer

Priority Scheduling can starve low-priority processes if high-priority processes continuously arrive.

Question 2

What is the purpose of the Translation Lookaside Buffer (TLB)?

Accepted Answer

To cache recent virtual-to-physical address translations

Answer

The TLB is a fast cache that stores recent page-table lookups to speed up virtual address translation.

Question 3

In the context of process states, what does it mean for a process to be in the 'blocked' state?

Accepted Answer

The process is waiting for an event such as I/O completion

Answer

A blocked process is waiting for an event (e.g., I/O completion) before it can continue execution.

Question 4

Which memory allocation strategy searches the entire free list and picks the partition that leaves the smallest leftover fragment?

Accepted Answer

Best Fit

Answer

Best Fit selects the smallest free partition that is large enough, minimizing wasted space in that allocation.

Question 5

What is a zombie process in Unix/Linux?

Accepted Answer

A terminated process whose entry remains in the process table

Answer

A zombie process has completed execution but retains its process table entry until the parent reads its exit status.

(CCP) Certified Computing Professional Practice Test