Classical

Operating System - File System

6:  

The allocation map

A.

is used to store program data

B.

specifies which blocks are used by which file

C.

is updated by applications programs

D.

allow programs to erase files

 
 

Option: B

Explanation :


7:  

A partitioned data set is most used for

A.

storing program data

B.

storing ISAM files

C.

a program or source library

D.

storing backup information

 
 

Option: C

Explanation :


8:  

Solution of name collision problem is

A.

single level directory

B.

two level directory

C.

tree structure

D.

all of these

 
 

Option: B

Explanation :


9:  

An incremental backup

A.

uses more tapes

B.

should be done each month

C.

saves only files that have recently changed

D.

saves all files

 
 

Option: C

Explanation :


10:  

The simplest directory structure is

A.

single level directory

B.

two level directory

C.

tree structure directory

D.

none of these

 
 

Option: A

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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