31. A resource, to be allocated, to and, shared among, a number, of ”active processes”.
A) Memory management
B) Disk management
C) Partition management
D) above all are correct
see answer
A) Memory management
32. A “process that, execute only, in main memory” is referred t,o as ________ and that ,allocated in ,disk is referred ,to a?
A) Real memory, virtual memory
B) Imaginary memory, real memory
C) Virtual memory, true memory
D) Virtual memory, real memory
see answer
A) Real memory, virtual memory
33. In “process scheduling” _____________ determines, when new, processes are, admitted to, the, system.
A) Short term scheduling
B) None of the above
(C) Long term scheduling
D) Medium term scheduling
see answer
A) Short term scheduling
34. In “process scheduling” _______________ determines, which ready process, will be executed, next by processor.
A) Short term scheduling
B) None of the above
C) Long term scheduling
D) Medium term scheduling
see answer
A) Short term scheduling
35, The “sum of the seek time”, and the, rotational dela,y is called the, _________________________
A) Arrived time request queue into sub queues of the
(B) Common time
C) reached time
D) Access time
see answer
D) Access time
36. The _____________________ “policy segments” the disks, length, N.
A) C-SCAN
B) FSCAN
C) SCAN
D) N-Step SCAN
see answer
D) N-Step SCAN
37. Which, of the following, are the, functions of, operating, system?
i) Facilitating parallel operation
ii) Sharing hardware among users
iii) Implementing user interface
iv) Recovering from errors
v) Facilitating input/output
A) All i, ii, iii, iv and v only
B) ll i, ii, ii, iv and v
C) i, ii, i, and v only
D) i, ii, iii, and iv only
see answer
A) All i, ii, iii, iv and v only
38. “File management” function, of the operating, system includes”
i) Directory creation
ii) Mapping file in secondary storage.
iii) File creation and deletion
iv) Disk scheduling
A) i, iii and iv only
B) All i, ii, iii and iv
C) i, ii and iii only
D) i, ii and iv only
see answer
A) i, iii and iv only
39. The _______________ determines, when a page, should be, brought into, main, memory.
A) Replacement policy
B) Resident set management
C) Fetch policy
D) Placement policy
see answer
C) Fetch policy
40. With A, page is written, out to ”secondary memory” only when it. has been selected, for replacement.
A) required cleaning
B) Fast cleaning
C) Pre-cleaning
D) Demand cleaning
see answer
D) Demand cleaning
