Page 64 - DCAP104_EXPOSURE_TO_COMPUTER_DISCPLINES

Unit 3: Using Operating System

9. Mutual exclusion of operations on shared variables makes it possible to make meaningful Notes
statements about the effect of concurrent computations.

(a) True (b) False
(c) None of these
10. xterm makes a terminal emulator window with a LINUX login session inside, just like a
miniature terminal.
(a) True (b) False
(c) None of these

3.11 Review Questions

1. What is operating system? Give its types.
2. What is Supervisor and User mode in operating system?
3. Define System Calls. Give their types also.
4. What does driver mean in operating system? Briefly explain with their examples.
5. What are the operating system functions?
6. Differentiate between Single user single task and Single user multi task.
7. What are user interface in operating system?
8. Give definition of GUI.
9. What is setting of focus?
10. Define the xterm Window.
11. Define Root Menu.
12. What is sharing of files also give their types?
13. Give steps of Managing hardware in Operating Systems.
14. What are utility software’s?
15. Define Real-Time Operating System (RTOS).
16. Give description how to run program in Operating system.

Answers for Self-Assessment Questions
1. System call 2. Implementing system 3. (a) 4. (a)

5. (b) 6. (a) 7. (b) 8. (a) 9. (a)
10. (b)

3.12 Further Reading

Introduction to Computers, by Peter Norton, Publisher: McGraw Hill, Sixth
Edition.

http://computer.howstuffworks.com/operating-system.htm

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