On This Page
This set of Operating System Architecture Multiple Choice Questions & Answers (MCQs) focuses on Operating System Architecture Set 12
Q1 | Which command is used to terminate the process?
- wait
- sleep
- kill
- none
Q2 | Which commaand is use for the copy in unix?
- copy
- cp
- cpy
- none
Q3 | What is stand for IPC?
- inter procedure communication
- inter process communication
- inter part compare
- none
Q4 | Which one is best in action between fork() and vfork()?
- fork()
- vfork()
- both
- none
Q5 | fork system call…..
- control the size of memory allocated to a process
- create a new process
- overlay image of a program onto the running process
- finish executing a process
Q6 | exec system call……..
- create a new process
- finish executing a process
- control the size of memory allocated to a process
- overlay image of a program onto the running process
Q7 | wait system call…………
- finish executing a process
- control the size of memory allocated to a process
- synchronize process execution with exit of previously forked process
- overlay image of a program onto the running process
Q8 | brk system call…………
- synchronize process execution with exit of previously forked process
- control the size of memory allocated to a process
- finish executing a process
- overlay image of a program onto the running process
Q9 | signal system call…………
- control process response to extraordinary events
- control the size of memory allocated to a process
- synchronize process execution with exit of previously forked process
- overlay image of a program onto the running process
Q10 | Two policies for managing memory are……………
- swaping and demand paging
- semaphore and deadlock
- scheduling and wait
- none
Q11 | Schedular module allocate …..
- processes to cpu
- cpu to processes
- processes to kernel
- none
Q12 | The file subsystem accesses file data using a buffering mechanism that regulates ….
- data flow between the kernel and secondary storage devices.
- data flow between secondary storage devices to kernel
- data flow of kernel
- none
Q13 | The internal representation of a file is given by ……..
- an inode
- semaphore
- pipes
- none
Q14 | Every file in unix has …..
- two inode
- one inode
- no inode
- none
Q15 | inode name is also called……
- file
- link
- file
- file descriptors
Q16 | When a process creates a new file, the kernel assigns it an ……...
- used inode
- unused inode
- integer number
- file number
Q17 | With inode, the kernel contains two data structures………….
- file table and user file descriptor table
- file system and kernel
- file and semaphore
- none
Q18 | Which of the following is not A system calls?
- chmod
- open
- lseek
- getc
Q19 | Mounting a file system results in the loading of
- boot block
- super block
- i-node table
- all of these
Q20 | If cat x ,prints garbage ,then x is probably a
- data file
- binary file
- text file
- source file
Q21 | An attempt to read from locked file,results in
- prematured termination
- a deadlock
- an indefinite wait
- none of the above
Q22 | To allow only one user to work with a particular file at a particular time ,one has to …..
- semaphore
- critical region
- locking
- dedicated mode
Q23 | Which of the following are character special files?
- terminal
- printer
- modem
- tape drive
Q24 | Which of the following sections of an executable binary file has all uninitialized data items?
- bss
- data
- header
- symbol
Q25 | Which of the following files contains information related to password aging?
- shadow
- profile
- password
- all of these