Operating System Information Management Questions and Answers

Multiple Choice Questions and Answers

Question 1 : A collection of related information defined by its user is known as

(a) File
(b) Directory
(c) Disk
(d) None of the above

Answer : (a)

Question 2 : The secondary media is

(a) Volatile
(b) Non-Volatile
(c) Large
(d) None of the above

Answer : (b)

Question 3 : Larger is the block size, larger will be the

(a) Directory size
(b) Disk space lost
(c) Disk space gained
(d) None of the above

Answer : (b)

Question 4 : An arrangement of record in a sequence in which they arrive is known as a

(a) Pile
(b) File
(c) Disk
(d) None of the above

Answer : (a)

Question 5 : For batch and payroll applications, which file is better

(a) Random file
(b) Sequential file
(c) Indexed file
(d) None of the above

Answer : (b)

Question 6 : The process of direct mapping by using some faster algorithms is called as

(a) Hashing
(b) Searching
(c) Sorting
(d) None of the above

Answer : (a)

Question 7 : ISAM stands for

(a) Indian Standard Access Method
(b) Indexed Simple Access Method
(c) Indexed Sequential Access Method
(d) None of the above

Answer : (c)

Question 8 : ISAM was developed by

(a) HCL
(b) TCS
(c) IBM
(d) None of the above

Answer : (c)

Question 9 : Those directories in which the root directory has all system files and no other subdirectory is known as

(a) Flat directory
(b) Single directory
(c) Hierarchical directory
(d) None of the above

Answer : (a)

Question 10 : Searching on a single flat directory requires

(a) O(n2) comparisons
(b) O(n log n) comparisons
(c) O(n) comparisons
(d) O(n3) comparisons

Answer : (c)

Question 11 : A pathname that starts at root directory is

(a) Absolute
(b) Relative
(c) Hybrid
(d) None of the above

Answer : (a)

Question 12 : All pathnames are specified relative to the working directory

(a) Absolute pathname
(b) Relative pathname
(c) Hybrid pathname
(d) None of the above

Answer : (b)

Question 13 : ACL stands for

(a) Absolute Control List
(b) Access Control List
(c) Abrupt Control List
(d) None of the above

Answer : (b)

Question 14 : i-node stands for

(a) Indian-node
(b) Index-node
(c) Internal-node
(d) Internet-node

Answer : (b)

Question 15 : The heart of NTFS is

(a) MVT
(b) MFT
(c) MMS
(d) None of the above

Answer : (b)

Operating System Questions and Answers