Questions
Instruction to candidates
- This paper consists of two sections A and B
- Answer ALL questions in section A
- Answer question 16 and any other THREE questions from section B
SECTION A (40 MARKS)
Answer ALL the questions in SECTION
- State the difference between general computers and special purpose computers. (2 marks)
- Give three ways of preventing data and inform from loss as a result of natural disaster. (3 marks)
- Convert 18 to its denary number system equivalent. (3 marks)
- State three areas in which calculation can be carried out in a database. (3 marks)
- Differentiate between margin guides and column guides as used in DTP. (2 marks)
- List three characteristics of desk jet printer. (3 marks)
- Describe the term expert system as used in computers. (2 marks)
- Give three advantages of e-learning. (3 marks)
- Draw a flowchart that accepts a numbers and determines whether the number is even or odd. (4 marks)
- Differentiate between static and dynamic field. (2 marks)
- Describe the risk to data associated with opening and responding to spam mail. (2 marks)
- Explain two qualities of good information system. (4 marks)
- State three ways in which computer users can protect the eyes from damage caused by radiation. (3 marks)
- With reference to cables, list two reasons why a keyboard may not function correctly. (2 marks)
- List two data management tools in spreadsheet. (2 marks)
SECTION B (60 MARKS)
Answer Question 16 (Compulsory) and any other THREE from this section.
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- Define the term test data. (2 marks)
- Give three types of data that can be used to test a program. (3 marks)
- Describe the function of compiler. (2 marks)
- Write a pseudocode for a program that would prompt the user for length and width of an object, calculate the area and perimeter compare the results and display the highest. (8 marks)
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- Define the term attribute as used in system development. (1 mark)
- Explain the concept of proxemics in interview. (2 marks)
- Explain three tasks that must be carried out during system implementation. (6 marks)
- Explain circumstance when each of the following feasibility studies is carried out during system development. (6 marks)
- Technical
- Economical
- Schedule
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- List three factors to consider before backing up a publication. (3 marks)
- Describe three ways of ensuring that an online publication is secure from unauthorized access. (6 marks)
- Explain three benefits of learning ICT in government accredited university or college. (6 marks)
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- Interpret the following spreadsheet function. (4 marks)
- =RANK(K5,$K$2:$K$10,1)
- =COUNTIF(H4:H12,”>80”)
- Using twos complement subtract 21.375 from 7.25. (5 marks)
- In a certain coding scheme the letter H is represented as 10110 represent the word HEN is the code scheme. (3 marks)
- Give three advantages of E-mail over traditional mailing. (3 marks)
- Interpret the following spreadsheet function. (4 marks)
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- Most organizations have embraced the use internet for baking activities. Explain three reasons why Mobile banking is preferred to the traditional money order systems.(6 marks)
- List three uses of LAN to a school. (3 marks)
- Describe two effects of a server crash to an organization. (4 marks)
- Differentiate between half duplex and duplex transmission. (2marks)
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