ICT Devices March/April 2023 Past Paper (L 4)
INSTRUCTIONS TO CANDIDATE This paper consists of TWO sections: A and B. Answer ALL questions in Section A and Section B in the answer booklet provided. Maximum marks for each part of the question are as indicated in brackets (). Candidate should answer the questions in English SECTION A (10 marks) Answer ALL the questions in this section. 1. The following is a list of software. Identify one that is used to protect computers against viruses. A. MS-Windows B. Kaspersky C. Mac OS D. Linux 2. Which of the following is a network topology? A. WAN B. PAN C. HYBRID D. MAN 3. A___________ is used as a data privacy and threat control measure that prevents unauthorized access to information. A. Password B. Malware C. Hacker D. Virus 4. The following is a list of application software used to accomplish specific tasks. Identify one that is used for statistical analysis. A. Databases B. Word processor C. spreadsheet D. Desktop publishing 5. From the list provided, identify a hardware component that is used to feed data into the computer. A. Keyboard B. Flash disk C. Visual Display Unit D. Printer 6. Which of the following statements best describes booting? A. Stopping the computer B. Starting the computer C. Saving work D. Duplicating work 7. ______ is abbreviated as ICT. A. Information centre technology B. Inside communication technology C. Information communication technology D. Information communication training 8. A computer keyboard comprises of many keys that perform different functions. Which of the following is not a computer keyboard key? A. Shift key B. Escape C. Pause D. Exit 9. Which shortcut key is used to refresh a computer windows desktop? A. F1 B. F2 C. F5 D. F12 10. Which of the following terms best describes the user’s safety and comfort while using a computer? A. Safety precautions B. Human interaction C. Ergonomics D. Computer security SECTION B: (SHORT ANSWER QUESTIONS) 40 MARKS Answer ALL the questions in this section. 11.The operating system performs several functions in a computer. Outline four such functions. (4 marks) 12. a) Explain the term computer network. (2 marks) b) Distinguish between local area network and metropolitan area network.(4 marks) 13. Josh bought a new computer and installed it with different application software to perform daily office activities. Using examples, state four categories of these application software may have installed. (4 marks) 14. Computers are used in various fields such as teaching and learning. Explain any other three areas where they could be used. (6 marks) 15. List four computer output devices. (4 marks) 16. Mercy wanted to purchase a new laptop; state any four factors she could consider when purchasing her computer. (4 marks) 17. Differentiate between right-clicking and double-clicking mouse techniques. (4 marks) 18. Kilonzo has been browsing the internet for a while now. Identify four security threats that he is likely to encounter while using his computer. (4 marks) 19. Explain two circumstances that would necessitate the use of bar-code readers as an input method. (4 marks)
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