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<=KNEC Craft Certificate in ICT module I Operating Systems past paper: November 2018
Explain three factors that could affect the performance of a storage disk in a computer system.
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Questions List:
1. Outline four features of the graphical user interface of an operating system
2. With the aid of a diagram, describe the monolithic architecture of an operating system
3. Joel had the following options displayed as he shut down the computer i.Sleep. ii.Log off. Outline the outcome of each of the options if selected
4. Define each of the following terms as used in operating system (4 marks) i.Device controller. ii.Shell
5. Differentiate between compact disk and a digital versatile disk with respect to data storage as used in computer systems
6. Jeremy intends to acquire a printer for his personal use. Explain two factors other than cost that he should consider
7. Describe each of the following types of process schedulers (4 mks) i.Short term scheduler ii.Long term scheduler
8. Tony used the following keyboard keys during data entry. i.Caps Lock. ii.Shift State the function of each of the keys
9. Outline two differences between a process and a thread as used in process management
10. Outline the functions of each of the following utility programs in operating systems (i.)Disk defragmenter (ii.)Disk cleanup
11. Define the term data file as used in operating systems file management.
12. January intends to acquire a computer with liquid crystal display (LCD) screen. Explain two advantages of this screen
13. Joan is involved in development of operating system software. Explain three memory placement techniques that she could implement during the process
14. Owane, lecturer, discussed operations that an operating system could perform on a file during one of a classes. Outline four examples that she could have discussed
15. Discuss each of the following memory management techniques as used in operating systems. (i.)Segmentation (ii.)Paging.
16. With the aid of a diagram, describe multiprogramming processing as applied in operating systems
17. Kenny, a lecturer, intends to prepare lecture notes on the objectives of process scheduling in operating systems. Outline three objectives that he could include in his notes.
18. Differentiate between interrupt and system call as used in operating systems
19. With the aid of a sketch, describe the round robin scheduling algorithm as applied in process management.
20. Describe each of the following disk scheduling algorithms (i.)SCAN; (ii.)C-LOOK
21. Explain three circumstances that would cause the premature termination of a process during execution in an operating system
22. Explain three factors that could affect the performance of a storage disk in a computer system.
23. With the aid of a diagram, describe a three process state model
24. Lucy set file attributes on files she created in a computer. Outline three such attributes.
25. A certain company has installed an operating system that uses batch processing method for its operations. Outline three advantages of this method
26. With the aid of a diagram, describe each of the following as used in storage device management. (i.)track (ii.)sector
27. Distinguish between single buffering and double buffering as used in operating systems
28. Deadlocks in a computer system can occur due to various factors. Explain two of these factors
1. Outline four features of the graphical user interface of an operating system
2. With the aid of a diagram, describe the monolithic architecture of an operating system
3. Joel had the following options displayed as he shut down the computer i.Sleep. ii.Log off. Outline the outcome of each of the options if selected
4. Define each of the following terms as used in operating system (4 marks) i.Device controller. ii.Shell
5. Differentiate between compact disk and a digital versatile disk with respect to data storage as used in computer systems
6. Jeremy intends to acquire a printer for his personal use. Explain two factors other than cost that he should consider
7. Describe each of the following types of process schedulers (4 mks) i.Short term scheduler ii.Long term scheduler
8. Tony used the following keyboard keys during data entry. i.Caps Lock. ii.Shift State the function of each of the keys
9. Outline two differences between a process and a thread as used in process management
10. Outline the functions of each of the following utility programs in operating systems (i.)Disk defragmenter (ii.)Disk cleanup
11. Define the term data file as used in operating systems file management.
12. January intends to acquire a computer with liquid crystal display (LCD) screen. Explain two advantages of this screen
13. Joan is involved in development of operating system software. Explain three memory placement techniques that she could implement during the process
14. Owane, lecturer, discussed operations that an operating system could perform on a file during one of a classes. Outline four examples that she could have discussed
15. Discuss each of the following memory management techniques as used in operating systems. (i.)Segmentation (ii.)Paging.
16. With the aid of a diagram, describe multiprogramming processing as applied in operating systems
17. Kenny, a lecturer, intends to prepare lecture notes on the objectives of process scheduling in operating systems. Outline three objectives that he could include in his notes.
18. Differentiate between interrupt and system call as used in operating systems
19. With the aid of a sketch, describe the round robin scheduling algorithm as applied in process management.
20. Describe each of the following disk scheduling algorithms (i.)SCAN; (ii.)C-LOOK
21. Explain three circumstances that would cause the premature termination of a process during execution in an operating system
22. Explain three factors that could affect the performance of a storage disk in a computer system.
23. With the aid of a diagram, describe a three process state model
24. Lucy set file attributes on files she created in a computer. Outline three such attributes.
25. A certain company has installed an operating system that uses batch processing method for its operations. Outline three advantages of this method
26. With the aid of a diagram, describe each of the following as used in storage device management. (i.)track (ii.)sector
27. Distinguish between single buffering and double buffering as used in operating systems
28. Deadlocks in a computer system can occur due to various factors. Explain two of these factors
