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<=KNEC Craft Certificate in ICT module 2 Computer Maintenance and Support past paper: July 2016
Explain the function of each of the following combination keys when troubleshooting in a computer running on a windows operating system:
(i) Control-Alt-Delete
ii) Alt-tab
(i) Control-Alt-Delete
ii) Alt-tab
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Questions List:
1. State four differences between software and hardware as used in computers
2. Explain two reasons for the need to keep away liquids from areas where computer a used
3. Outline four benefits that a college may gain by conducting regular computer maintenance
4. Explain circumstances that may cause the need of each of the following maintenance in an organization (a)Adaptive maintenance (b)Perfective maintenance
5. State the function of each of the following components on a computer motherboard: (4 marks) (a)Expansion slot b)Connector.
6. Distinguish between address bus and data bus as used in computers
7. Explain how each of the following data risks can occur during the installation of a computer. (i)Data loss (ii)Data corruption.
8. Define each of the following terms as used in computer: (i)clock speed; (ii)Bytes;
9. State two differences between RAM and ROM as used in computers.
10. Explain the term active partition as used in computers
11. Explain the importance of considering energy consumption when acquiring a computer monitor
12. Anita a technician, noted that a computer keyboard was dusty. Outline the basic steps she would take when cleaning it.
13. Outline five areas to pay attention to when cleaning the ink-jet printer
14. A computer technician has acquired a new computer processor. Outline the procedure that he should follow when installing it
15. Jane a Technician noted the symbol shown in figure1 and figure2 on several electronic components. Explain the meaning of each.
16. A technician was required to format hard disk of a computer. Explain three possible reason that they have led to this.
17. The following is a list of computer components: Mouse, DVD drive, Memory, Hard disk, Floppy disk drive, Motherboard, Processor Identify those which derive power directly from the power supply unit
18. Distinguish between surge suppressor and line conditioner as used in computer laboratory.
19. After installing a new system board in a computer system, it was noted that the hard drive LED on the front of the computer was not turning on. (i) Outline two possible causes of this occurrence (ii)Explain one way in which each problem in (I) could be solved.
20. A technician was troubleshooting a computer with the aid of in POST Write the acronym POST in full
21. Outline four function of BIOS during the POST procedure in a computer.
22. When john was installing a software in a computer from a DVD, he noted that its surface was dirty. (i) Outline three cleaning material that he could use to clean the storage medium ii)Other than DVD, explain two other ways in which he could install the software
23. Explain the function of each of the following combination keys when troubleshooting in a computer running on a windows operating system: (i) Control-Alt-Delete ii) Alt-tab
24. When Lina, a technician completed assembling a computer, he noted that the hard drive was not spinning when the system-unit was powered. (i) Outline two possible cause of this occurrence. (ii) Explain one way in which the problem in (i) could be solved.
25. Organization such as school immensely use a lot of electronic equipment which are later disposed indiscriminately as waste. Outline four ways in which these electronic waste affects our environment.
26. Some of the electronic waste are known to have chemicals which are harmful to human beings. i.State two chemicals that are likely to be in electronic waste ii.Outline the effect of the chemical in (i).
27. Tiptop is a company that deals with software development. The management has opted to produce a technical support service department. Outline four ways in which this department could benefit their customers
28. Isa, a technician, acquired a software which was accompanied with technical documentation. Outline three ways in which he would use this document
1. State four differences between software and hardware as used in computers
2. Explain two reasons for the need to keep away liquids from areas where computer a used
3. Outline four benefits that a college may gain by conducting regular computer maintenance
4. Explain circumstances that may cause the need of each of the following maintenance in an organization (a)Adaptive maintenance (b)Perfective maintenance
5. State the function of each of the following components on a computer motherboard: (4 marks) (a)Expansion slot b)Connector.
6. Distinguish between address bus and data bus as used in computers
7. Explain how each of the following data risks can occur during the installation of a computer. (i)Data loss (ii)Data corruption.
8. Define each of the following terms as used in computer: (i)clock speed; (ii)Bytes;
9. State two differences between RAM and ROM as used in computers.
10. Explain the term active partition as used in computers
11. Explain the importance of considering energy consumption when acquiring a computer monitor
12. Anita a technician, noted that a computer keyboard was dusty. Outline the basic steps she would take when cleaning it.
13. Outline five areas to pay attention to when cleaning the ink-jet printer
14. A computer technician has acquired a new computer processor. Outline the procedure that he should follow when installing it
15. Jane a Technician noted the symbol shown in figure1 and figure2 on several electronic components. Explain the meaning of each.
16. A technician was required to format hard disk of a computer. Explain three possible reason that they have led to this.
17. The following is a list of computer components: Mouse, DVD drive, Memory, Hard disk, Floppy disk drive, Motherboard, Processor Identify those which derive power directly from the power supply unit
18. Distinguish between surge suppressor and line conditioner as used in computer laboratory.
19. After installing a new system board in a computer system, it was noted that the hard drive LED on the front of the computer was not turning on. (i) Outline two possible causes of this occurrence (ii)Explain one way in which each problem in (I) could be solved.
20. A technician was troubleshooting a computer with the aid of in POST Write the acronym POST in full
21. Outline four function of BIOS during the POST procedure in a computer.
22. When john was installing a software in a computer from a DVD, he noted that its surface was dirty. (i) Outline three cleaning material that he could use to clean the storage medium ii)Other than DVD, explain two other ways in which he could install the software
23. Explain the function of each of the following combination keys when troubleshooting in a computer running on a windows operating system: (i) Control-Alt-Delete ii) Alt-tab
24. When Lina, a technician completed assembling a computer, he noted that the hard drive was not spinning when the system-unit was powered. (i) Outline two possible cause of this occurrence. (ii) Explain one way in which the problem in (i) could be solved.
25. Organization such as school immensely use a lot of electronic equipment which are later disposed indiscriminately as waste. Outline four ways in which these electronic waste affects our environment.
26. Some of the electronic waste are known to have chemicals which are harmful to human beings. i.State two chemicals that are likely to be in electronic waste ii.Outline the effect of the chemical in (i).
27. Tiptop is a company that deals with software development. The management has opted to produce a technical support service department. Outline four ways in which this department could benefit their customers
28. Isa, a technician, acquired a software which was accompanied with technical documentation. Outline three ways in which he would use this document
