1. Belady\'s anomaly states that ______ A. giving more memory to a process will

ID: 3546175 • Letter: 1

Question

1. Belady's anomaly states that ______

A. giving more memory to a process will improve its performance

B. as the number of allocated frames increases, the page fault rate may decrease for all page replacement algorithms

C. for some page replacement algorithms, the page fault rate may decrease as the number of allocated frames increases

D. for some page replacement algorithms, the page fault rate may increase as the number of allocated frames increases

2. The _____ allocation algorithm allocates available memory to each process according to its size.

A. equal

B. global

C. proportional

D. slab

3. The ____ is the number of entries in the TLB multiplied by the page size.

A. TLB cache

B. page resolution

C. TLB reach

D. hit ratio

4. _____ is the algorithm implemented on most systems.

A. FIFO

B. Least frequently used

C. Most frequently used

D. LRU

5. The _____ is an approximation of a program's locality.

A. locality model

B. working set

C. page fault frequency

D. page replacement algorithm

6. Systems in which memory access times vary significantly are known as __________.

A. memory-mapped I/O

B. demand-paged memory

C. non-uniform memory access

D. copy-on-write memory

Explanation / Answer