Classical

Operating System - File System

1:  

The file structure that redefines its first record at a base of zero uses the term

A.

relative organization

B.

key fielding

C.

dynamic reallocation

D.

all of these

 
 

Option: A

Explanation :


2:  

The most efficient data set organization is a/an

A.

sequential file

B.

ISAM file

C.

variable depending upon the usage of the dataset

D.

a partitioned data set

 
 

Option: C

Explanation :


3:  

Which structure prohibits the sharing of flies and directories ?

A.

tree structure

B.

one level structure

C.

two level structure

D.

none of these

 
 

Option: A

Explanation :


4:  

The activity of a file

A.

is a low percentage of number of records that are added to or deleted from a file

B.

is a measure of the percentage of existing records updated during a run

C.

refers to how closely the files fit into the allocated space

D.

is a measure of the number of records added or deleted from a file compassed with the original number of records

 
 

Option: A

Explanation :


5:  

Path's name are

A.

absolute path

B.

relative path

C.

both (a) and (b)

D.

none of these

 
 

Option: C

Explanation :




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Syllabus covered in this section is-

  • Main functions of operating systems
  • Multiprogramming, multiprocessing and multitasking
  • Memory Management- Virtual memory, paging, fragmentation
  • Concurrent Processing: Mutual exclusion, Critical regions, locks and unlock.
  • Scheduling: CPU scheduling. I/O scheduling, Resource scheduling
  • Deadlock and scheduling algorithms.
  • Banker's algorithm for deadlock handling.

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