Top 550+ Solved Operating System (OS) MCQ Questions Answer
Q. SSTF algorithm, like SJF of some requests.
a. may cause starvation
b. will cause starvation
c. does not cause starvation
d. causes aging
Q. The process of dividing a disk into sectors that the disk controller can read and write, before a disk can store data is known as
a. partitioning
b. swap space creation
c. low-level formatting
d. none of the mentioned
Q. The data structure for a sector typically contains
a. header
b. data area
c. trailer
d. all of the mentioned
Q. The header and trailer of a sector contain information used by the disk controller such as and
a. main section & disk identifier
b. error correcting codes (ecc) & sector number
c. sector number & main section
d. disk identifier & sector number
Q. The program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.
a. main
b. bootloader
c. bootstrap
d. rom
Q. The scheme used in the above question is known as or
a. sector sparing & forwarding
b. forwarding & sector utilization
c. backwarding & forwarding
d. sector utilization & backwarding
Q. A disk that has a boot partition is called a
a. start disk
b. end disk
c. boot disk
d. all of the mentioned
Q. If one or more devices use a common set of wires to communicate with the computer system, the connection is called
a. cpu
b. monitor
c. wirefull
d. bus
Q. The present a uniform device- access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
a. devices
b. buses
c. device drivers
d. i/o systems