KASNEB DICT LEVEL II TUESDAY: 22 MAY 2018 COMPUTER SUPPORT AND MAINTENANCE Answer all Questions QUESTION ONE (a) Define the following terms as used in computing: Computer support (2 marks) Computer maintenance (2 marks) (b) John Busuti, a technician at Mafunzo College was asked to replace a fault optical drive. Required Outline five components or tools necessary for the task (5 marks) (c) (i) Describe the term "incremental backup" as used in computing. (2 marks) (ii) Highlight three advantages of incremental backup. (3 marks) (d) Joyce Maleki suspects that her desktop computer has overheating problems Required (i) Identify two indicators of an overheating computer. (2 marks) (ii) Suggest four possible causes of overheating in a computer. (4 marks) QUESTION TWO (a...
DICT LEVEL II COMPUTER SUPPORT AND MAINTENANCE – MAY 2017 TUESDAY: 23 MAY 2017 Answer ALL questions. Marks allocated to each question are shown at the end of the question QUESTION ONE (a) Describe each of the following computer advanced management techniques: (i) Hibernate. (2 marks) (ii) Allow wake timers. (2 marks) (iii) Allow hybrid sleep. (2 marks) (b) Explain the following electronic components as used in computer systems ...
SYSTEMS ANALYSIS AND DESIGN – MAY 2017 WEDNESDAY: 24 MAY 2017 Answer ALL questions. Marks allocated to each question are shown at the end of the question QUESTION ONE (a) Enumerate four advantages of object-oriented analysis as compared to structured analysis. (2 marks) (b) Use a well labelled diagram to express the relationship among three sub-phases of the systems analysis phase of a project. (6 marks) (c) System modelling is a major activity in systems design. Assess why modelling activities tend to focus on logical system models. (3 marks) (d) The sales clerk at XYZ Ltd receives a phone call from a customer enquiring on a certain product. The clerk records the description of the item and quantity as well as the name and address of the customer. The items are then checked against the catalog of available items. If the item is not in stock, a reject e-mail is se...
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