(A) Thrashing
(B) Paging
(C) Belady’s Anomaly
(D) None of the above
Author:
In which page replacement algorithm oldest page is chosen to replace from main memory?
(A) First in First out page replacement algorithm
(B) Optimal page replacement algorithm
(C) Least recently used page replacement algorithm
(D) None of the above
Which address is generated by the CPU?
(A) Logical address
(B) Physical address
(C) Absolute address
(D) None of the above
Operating system maintains page table for?
(A) Each program
(B) Each process
(C) Each page
(D) Each frame
Virtual memory is commonly implemented by?
(A) Swapping
(B) Segmentation
(C) Demand paging
(D) None of the above
Address location in main memory is referred to as?
(A) Static address
(B) Physical address
(C) Logical address
(D) Block associative
Page replacement is done?
(A) When the requested page is not found in the secondary memory.
(B) When the requested page is not found in the main memory.
(C) When the requested page is found in the main memory
(D) When the requested page is found in the secondary memory.
Forestall
Meaning: پیشگی روک تھام کرنا ۔ پیش بینی سے کام لینا ۔ پہلے سے جان جانا ۔ بھانپ لینا
Explanation: (Verb)- Prevent or obstruct (an anticipated event or action) by taking advance action.
Example: They will present their resignations to forestall a vote of no confidence.
Synonyms: Anticipate, Avert, Deter, Hinder, Preclude.
Antonyms: Aid, Allow, Assist.
[Dawn Vocabulary: 13-03-2022]