Operating System MCQs

A. Processes may send each other signals
B. Kernel may send signals internally
C. A field is updated in the signal table when the signal is sent
D. Each signal is maintained by a single bit

A. Context switch time is longer for kernel level threads than for user level threads
B. User level threads do not need any hardware support
C. Related kernel level threads can be scheduled on different processors in a multiprocessor system
D. Blocking one kernel level thread blocks all other related threads
E. Phytoplanktons are the pioneers in the aquatic ecosystem

A. Cache coherence scheme
B. Computation migration
C. Remote procedure call
D. Message passing

A. Kernel is the program that constitutes the central core of the operating system
B. Kernel is the first part of operating system to load into memory during booting
C. Kernel is made of various modules which can not be loaded in running operating system
D. Kernel remains in the memory during the entire computer session

A. Collection of programs that manages hardware resources
B. System service provider to the application programs
C. Interface between the hardware and application programs
D. All of the mentioned

A. To get and execute the next user-specified command
B. To provide the interface between the api and application program
C. To handle the files in operating system
D. None of the mentioned

A. Round robin
B. Shortest job first
C. Priority
D. All of the mentioned

A. Library
B. System calls
C. Assembly instructions
D. Api

A. Lack of paper in printer
B. Connection failure in the network
C. Power failure
D. All of the mentioned

A. Either low or high memory (depending on the location of interrupt vector)
B. In the low memory
C. In the high memory
D. None of the mentioned