1. In real time operating system ____________
Answer:
The correct option is D.
Note
Description: NO comment
2. UNIX operating system
Answer:
The correct option is D.
Note
Description:
3. In Unix, which system call creates the new process?
Answer:
The correct option is B.
Note
Description:
In UNIX, a new process is created by fork() system call. fork() system call returns a process ID which is generally the process id of the child process created
4. Network operating system runs on ___________
Answer:
The correct option is B.
Note
Description:
5. What are the types of distributed operating systems?
Answer:
The correct option is C.
Note
Description: None
6. Whenever a process needs I/O to or from a disk it issues a ______________
Answer:
The correct option is A.
Note
Description: None
7. 100. Windows displays various options to shut down. Which is suitable at the end of the day?
Answer:
The correct option is A.
Note
Description:
8. Which of the following is suitable after you install new drivers?
Answer:
The correct option is B.
Note
Description:
9. Underlined text, such as text and folder names is referred to as
Answer:
The correct option is A.
Note
Description:
10. When a peripheral device needs immediate attention from the operating system, it generates
Answer:
The correct option is A.
Note
Description:
11. Taskbar is used for
Answer:
The correct option is B.
Note
Description:
12. To install the new font
Answer:
The correct option is B.
Note
Description:
13. The information about all files is kept in ____________
Answer:
The correct option is B.
Note
Description:
14. The operating system _______ the links when traversing directory trees, to preserve the acyclic structure of the system.
Answer:
The correct option is .
Note
Description:
15. On systems where there are multiple operating system, the decision to load a particular one is done by _____________
Answer:
The correct option is C.
Note
Description:
16. The FCFS algorithm is particularly troublesome for ____________
Answer:
The correct option is C.
Note
Description:
In a time sharing system, each user needs to get a share of the CPU at regular intervals
17. If a process fails, most operating system write the error information to a ______
Answer:
The correct option is C.
Note
Description:
If a process fails, most operating systems write the error information to a log file. Log file is examined by the debugger, to find out what is the actual cause of that particular problem. Log file is useful for system programmers for correcting errors
18. Which one of the following is not a real time operating system?
Answer:
The correct option is B.
Note
Description:
VxWorks, QNX and RTLinux are real-time operating systems. Palm OS is a mobile operating system. Palm OS is developed for Personal Digital Assistants (PDAs).
19. What does OS X has?
Answer:
The correct option is D.
Note
Description:
OS X has a hybrid kernel. Hybrid kernel is a combination of two different kernels. OS X is developed by Apple and originally it is known as Mac OS X.
20. In operating system, each process has its own __________
Answer:
The correct option is D.
Note
Description:
In Operating Systems, each process has its own address space which contains code, data, stack, and heap segments or sections. Each process also has a list of files that is opened by the process as well as all pending alarms, signals, and various signal handlers.