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File Management in Operating System Quiz | File Management in Operating System Objective Type Questions and Answers

Questions
21 Airline reservation systems and inventory control system are the examples of …………………….. system.
A sequential file
B indexed sequential file
C indexed file
D none of the mentioned

Answer: indexed file
22 In free space management, ………………….. method has negligible space overhead because there is no need for a disk allocation table, merely for a pointer to the beginning of the chain and the length of the first portion.
A Chained Free Portions
B Free Block List
C Bit tables
D Indexing

Answer: Chained Free Portions
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23 The …………………. greatly reduced the time required to access a single record, without sacrificing the sequential nature of the file.
A indexed sequential file
B sequential file
C pile
D None of the above

Answer: indexed sequential file
24 In …………………….. method on free space management, each block is assigned in a reserved portion of the disk.
A Indexing
B Free Block List
C Bit tables
D Chained Free Portions

Answer: Free Block List
25 ______ is a unique tag, usually a number identifies the file within the file system.
A File type
B File name
C File identifier
D None of the mentioned

Answer: File identifier
26 To create a file ____________
A make an entry for new file in directory
B allocate the space in file system & make an entry for new file in directory
C allocate the space in file system
D None of the above

Answer: allocate the space in file system & make an entry for new file in directory
27 By using the specific system call, we can ____________
A write into the file
B open the file
C read the file
D all of the mentioned

Answer: all of the mentioned
28 Which file is a sequence of bytes organized into blocks understandable by the system’s linker?
A executable file
B source file
C object file
D text file

Answer: object file
29 Mapping of network file system protocol to local file system is done by ____________
A network file system
B local file system
C volume manager
D remote mirror

Answer: network file system
30 Which of the following is not an appropriate criterion for file organisation?
A Larger access time
B ease of update
C simple maintenance
D economy of storage

Answer: Larger access time
31 Which of the following isn’t a part of the file directory?
A Protocol
B Ownership
C Attributes
D None of the above

Answer: Protocol
32 A ……………….. is the basic element of data where individual field contains a single value, such as an employees last name, a data or the value of the sensor reading.
A database
B field
C record
D file

Answer: field
33 …………………….. communicate directly with peripheral devices or their controllers or channels.
A Device drivers
B Logical I/O
C Physical I/O
D None of the above

Answer: Device drivers
34 The ……………………. is responsible for all file I/O initiation and termination.
A Basic I/O supervisor
B Physical I/O
C Device drivers
D Logical I/O

Answer: Basic I/O supervisor
35 ……………………….. provides a general purpose record I/O capability and maintains basic data about files.
A Logical I/O
B Basic I/O supervisor
C Device drivers
D Physical I/O

Answer: Logical I/O
36 In …………………….. file organization, a fixed format is used for records where all records are of the same length, consisting of the same number of fixed length fields in a particular order.
A indexed
B indexed sequential
C sequential
D pile

Answer: sequential
37 A ………………… on free space management has the advantages that it relatively easy to find one or a contiguous group of free blocks.
A Free Block List
B Chained Free Portion
C Bit table
D Indexing

Answer: Bit table
38 An alternative is to organize the sequential file physically is a ……………..
A Linked List
B Stack
C List
D Queue

Answer: Linked List
39 …………………… are typically used in batch applications and are generally optimum for such applications if they involve the processing of all the records.
A Sequential files
B Indexed Sequential files
C Indexed files
D Direct files

Answer: Sequential files
40 A ……………………. is collection of related fields that can be treated as a unit by some application program.
A record
B database
C field
D file

Answer: record

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