Q1. The operating system which reads and reacts in actual time?
(A) Quick Response System
(B) Time Sharing System
(C) Batch Processing System
(D) Real Time Operating System

Q2. A page table contains?
(A) Memory address and corresponding page number
(B) Base address of each frame and corresponding page number
(C) File name and corresponding page number
(D) all of the above

Q3. If a page number is not found in the TLB, then it is known as a :
(A) TLB hit
(B) TLB miss
(C) buffer miss
(D) None of these

Q4. In Unix, Which system call creates the new process?
(A) create
(B) fork
(C) new
(D) None of these

Q5. Page-Table length register indicates size of
(A) Page Table
(B) Main Memory
(C) Paging File
(D) Virtual Memory

Q6. The percentage of times a page number is found in the TLB is known as:
(A) miss percent
(B) miss ratio
(C) hit ratio
(D) None of these

Q7. When the memory space available for a process is not contiguous we need to perform:
(A) Internal Fragmentation
(B) Virtual Fragmentation
(C) External Fragmentation
(D) Any of these

Q8. Operating system keeps the information of files in a table called
(A) Directory Folder Table
(B) File Allocation Table
(C) File Indexing Table
(D) None of these

Q9. The chunks of a memory are known as
(A) Frames
(B) Sectors
(C) Tracks
(D) Pages

Q10. When a thread waits indefinitely for some resource, while other threads using it is knows as:
(A) Demand Paging
(B) Starvation
(C) Segmentation
(D) None of these

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