Top 250+ Solved Operating System Advanced MCQ Questions Answer
Q. In File system architecture which is the correct arrangement from lower level to higher.
a. Device drives, basic file system, basic I/ O supervisor, logical I/O.
b. Basic file system, basic I/O, logical I/O, device drives.
c. Basic I/O, basic file system, logical I/O, device drives.
d. None of these.
Q. In file management system the following communicate directly with periphing I/O devices.
a. Device drives
b. Basic file system
c. Basic I/O supervisor
d. Logical I/O.
Q. For file management, in file operationsdevice drivers are
a. Disk drivers
b. Tape drivers
c. A and B both
d. None of these.
Q. In file management, the primary interface of computer system with external environment is done through
a. Device drivers
b. Basic file system
c. Basic I/O supervisor
d. Logical I/O.
Q. In file management, users and applications access records via
a. Physical I/O
b. Basic I/O supervisor
c. Logical I/O
d. None of these.
Q. Match the following for file system architecture : A-Basic file system, B-Logical I/O module, 1- Deals with blocks of data, 2- Deals with file records, 3- Provides general purpose record I/O capacity.
a. A – 1, B – 2, 3
b. A – 1, 2, B – 3
c. A – 2, 3, B – 1
d. A – 1, 3, B – 2
Q. Match the following access rights :A-Specific user, B-User group, C-All ; 1- Individual user who are designated by user I, 2-A set of users who are individually defined, 3-Every user has access to the system.
a. A – 1, B – 2, C – 3
b. A – 2, B – 1, C – 3
c. A – 1, B – 3, C – 2
d. A – 3, B – 2, C – 1
Q. In file management, the pile
a. The collection of data in order which they arrive.
b. A fixed format used for records.
c. Records keep with some key sequence.
d. None of these.
Q. In file management, in the following record blocking method, the optional use of space is made, without unused space left
a. Fixed blocking
b. Variable-length spanned blocking
c. Variable-length un-spanned blocking
d. None of these.
Q. In secondary storage management, “If allocation of file is made on an individual block basis and each block contains a pointer to the next block in the chain” then it is referred as
a. Contiguous allocation
b. Chained allocation
c. Indexed allocation
d. None of these.
Q. In secondary storage management, bit table,for each block on disk a vector contains
a. One bit each block
b. Two bit each block
c. Three bit each block
d. Four bit each block.
Q. In bit table used for Free space management in secondary storage
a. Bit zero corresponds to free block
b. Bit one corresponds to free block
c. Bit zero corresponds to block in use
d. None of these
Q. The amount of memory (in bytes) required for a block bitmap is
a. Disk size × 8
b. Disk size/ (8 × file system block size)
c. File system block size/disk size
d. None of these.
Q. In 16 G byte disk with 512-bit block, the bit table requires
a. 1 M bytes
b. 2 M bytes
c. 3 M bytes
d. 4 M bytes.
Q. Application Programming Interface is
a. A set of function and call programs that allows clients and servers to intercommunicate.
b. A database, where information access is limited to the selection of rows that satisfy all search criteria.
c. A computer usually a high powered work station.
d. None of these.