1. . Operating system called a thousand systems are executed per?
(A) hour
(B) day
(C) min
(D) sec
2. . Dump of memory of the computer system is examined by the ___?
(A) debugger
(B) programmer
(C) designer
(D) engineer
3. . CloseHandle() call function in Windows operating system is a UNIX function called for
(A) fork()
(B) read()
(C) close()
(D) open()
4. . In operating system, each process has its own __________
(A) open files
(B) address space and global variables
(C) All of above
(D) pending alarms, signals, and signal handlers
5. . Which is not provided by the operating system is____
(A) error detection
(B) user interface
(C) networking
(D) program execution
6. . Chain of the program of a computer system is as strong as its ___
(A) strongest link
(B) weakest link
(C) all links
(D) mid link
7. . Which is Friendly user interface provided by operating system ____
(A) batch interface
(B) command-line interface
(C) graphical user interface
(D) device interface
8. . Which Bourne shell in command interpreter of the operating system is used by____
(A) Linux and UNIX
(B) Windows and Macintosh
(C) Macintosh and LINUX
(D) Windows
9. . Programs of the operating system end ____
(A) Interval
(B) Normally
(C) Interruptedly
(D) Erroneously
10. . The main functionality of command interpreter of the operating system is to______
(A) execute commands
(B) remove commands
(C) fetch commands
(D) decode commands
11. . Power failure of a computer system is one of kinds of____
(A) error
(B) outputs
(C) inputs
(D) Interrupts
12. . X-windows operating system is a user’s interface that is a common version of____?
(A) UNIX
(B) MAC OS
(C) Linux
(D) Windows
13. . Operating system is mainly comprised of ___________
(A) third party programs
(B) both B and C
(C) system programs
(D) user programs
14. . Operating system programs that are manipulated are asked by the_____?
(A) programmer
(B) user
(C) open source
(D) operating system
15. . System calls of operating system is done by___?
(A) Caller
(B) debugger
(C) programmer
(D) engineer
16. . For allocating resources Central Processing Unit has individual _____?
(A) Processes
(B) devices
(C) programs
(D) routines
17. . In graphical user interface users uses____
(A) file-based interface
(B) mouse-based Pointing
(C) command line interface
(D) voice-based interface