Operating System Basics Questions and Answers

Practice Mode
Showing 10 of 563 questions
Q451
In file management, users and applications access records via
  • A Physial I/O
  • B Basic I/O supervisor
  • C Logical I/O
  • D None of these.
Answer: Option C
Q452
Match the following for file system architecture :A-Basic file system, B-Logical I/O module, 1-Deals with blocks of data, 2-purpose record I/O capacity.
  • A A - 1, B - 2, C - 3
  • B A -1, 2, B - 3
  • C A - 2, 3 B - 1
  • D A -1, 3 , B - 2
Answer: Option A
Q453
Matchh 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 areindividully 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
Answer: Option A
Q454
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
Answer: Option A
Q455
In file mamagement, 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
Answer: Option B
Q456
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.
Answer: Option B
Q457
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
Answer: Option A
Q458
In bit table used for free space management in secondary storage
  • A Bit zero correspnds to free block
  • B Bit one corresponds to free block
  • C Bit zero correspondsto block in use
  • D None of these
Answer: Option A
Q459
The amount of memory (in bytes) required for a block bitmap is
  • A Disk size x 8
  • B Disk size/ (8 x file system block size)
  • C File system block size/disk size)
  • D None of these.
Answer: Option B
Q460
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
Answer: Option D

📚 More from Technical

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search
Technical
Back to Technical
Other Subjects
Questions and Answers for Competitive Exams Various Entrance Test