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<=KNEC Craft Certificate in ICT module 1 Operating Systems past paper: July 2017
Distinguish between semaphore and interface metaphor as used in operating systems
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Questions List:
1. With the aid of a diagram, describe circular walls as used in process management
2. Outline the function of each of the following as used in operating system: (i) Disk defragmenter; (ii) Device driver.
3. Distinguish between semaphore and interface metaphor as used in operating systems
4. Jiana chose to acquire a disk operating system to her computer. Outline four characteristics of operating system that she should have considered
5. Distinguish between standby and logoff modes as used in operating system
6. Kelvin, a system analyst for Jokey company has advised the management to acquire a layered operating system. Explain two advantages of this operating system that he could have considered
7. Sammy had the following options when trying to install an operating system: (i) Upgrade (ii) Repair Explain the function of each options
8. Explain the function of each of the following as used in operating systems: (a) Job control language; (b) Relocating order.
9. Explain the circumstances that would necessitate each of the following in memory management. (4 marks) (a) Page fault; (b) Trap.
10. The management of ADEK company has installed distributed operating system for their operations. Explain two reasons for this move.
11. Outline three functions of the system clock as applied in computer system
12. Describe each of the following disk arm scheduling algorithms: (i) scan; (ii) look
13. With aid of diagram, describe segmentation as used in memory management
14. Explain a circumstance that would necessitate the use of file directories in a computer system
15. List three types of read only memories in a computer system
16. With the aid of a diagram describe the following types of page placement policies: (i) best fit; (ii) worst fit.
17. A computer analyst recommended an operating system with an NT file system over the one with FAT system. Explain three reasons for his recommendation.
18. With the aid of an example, describe absolute file path as used in file management
19. Distinguish between logical and physical address as used in operating systems
20. With the aid of a diagram describe the process control block as used in operating system.
21. Define audit trail as used in operating system security
22. Explain each of the following types of a computer file attributes: (i) archive (ii) hidden.
23. Explain the difference between quick format and full format as used in operating system
24. With the aid of a diagram, describe a three process state model operating system
25. Define each of the following terms as used in operating systems: (i) Fully associative (ii) Set associative
26. Describe two examples of computer terminals as used in operating system
27. With the aid of a diagram describe round robin scheduling algorithms as used in operating system.
1. With the aid of a diagram, describe circular walls as used in process management
2. Outline the function of each of the following as used in operating system: (i) Disk defragmenter; (ii) Device driver.
3. Distinguish between semaphore and interface metaphor as used in operating systems
4. Jiana chose to acquire a disk operating system to her computer. Outline four characteristics of operating system that she should have considered
5. Distinguish between standby and logoff modes as used in operating system
6. Kelvin, a system analyst for Jokey company has advised the management to acquire a layered operating system. Explain two advantages of this operating system that he could have considered
7. Sammy had the following options when trying to install an operating system: (i) Upgrade (ii) Repair Explain the function of each options
8. Explain the function of each of the following as used in operating systems: (a) Job control language; (b) Relocating order.
9. Explain the circumstances that would necessitate each of the following in memory management. (4 marks) (a) Page fault; (b) Trap.
10. The management of ADEK company has installed distributed operating system for their operations. Explain two reasons for this move.
11. Outline three functions of the system clock as applied in computer system
12. Describe each of the following disk arm scheduling algorithms: (i) scan; (ii) look
13. With aid of diagram, describe segmentation as used in memory management
14. Explain a circumstance that would necessitate the use of file directories in a computer system
15. List three types of read only memories in a computer system
16. With the aid of a diagram describe the following types of page placement policies: (i) best fit; (ii) worst fit.
17. A computer analyst recommended an operating system with an NT file system over the one with FAT system. Explain three reasons for his recommendation.
18. With the aid of an example, describe absolute file path as used in file management
19. Distinguish between logical and physical address as used in operating systems
20. With the aid of a diagram describe the process control block as used in operating system.
21. Define audit trail as used in operating system security
22. Explain each of the following types of a computer file attributes: (i) archive (ii) hidden.
23. Explain the difference between quick format and full format as used in operating system
24. With the aid of a diagram, describe a three process state model operating system
25. Define each of the following terms as used in operating systems: (i) Fully associative (ii) Set associative
26. Describe two examples of computer terminals as used in operating system
27. With the aid of a diagram describe round robin scheduling algorithms as used in operating system.
