Summary

• Description:

  The MS Word document comprises Nakuru North Joint Evaluation Computer Studies Paper 1 2025 Mock Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  It is a KCSE Computer Studies Paper 1 (Theory) (451/1) Nakuru North Joint Evaluation Mock 2025 examination (July/August).

  • Duration: 2½ Hours
  • Number of Questions: 20 (Section A: Questions 1–15; Section B: Questions 16–20)
  • Paper Structure: Two sections (A and B). Answer all questions in Section A. In Section B, answer Question 16 (compulsory) and any other three questions.
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • Computer generations and characteristics of first-generation computers
  • Emerging trends in microcomputer technology (size-related trends)
  • Computer care and maintenance (effects of smoke and dust)
  • Office automation and efficiency through computer technology
  • Application software (single-purpose programs vs integrated software; templates)
  • Word processing utilities (spell-check dialog options and their functions)
  • Spreadsheet concepts (automatic recalculation, what-if analysis, relative referencing when copying formulas)
  • Database security (methods of securing data; table relationships; normalization objectives; parent–child tables)
  • Desktop publishing (layering and its importance)
  • Internet and ICT (factors affecting Internet access/growth in Kenya; preventing piracy; telecommuting; resistance to ICT)
  • Data representation (binary reasons, hexadecimal conversions, importance of hexadecimal, two’s complement subtraction)
  • Systems and data integrity (threats to data integrity and mitigation; advantages of real-time systems)
  • Programming concepts (compiling vs interpreting; importance of program design; pseudo code vs flowcharts; pseudo code for compound interest growth)
  • Networks and communication (communication media identification, labelled parts, advantages; logical vs physical topology; NIC and repeater functions; fibre optic advantages; video conferencing requirements)
  • Applications of computing (transportation and reservation systems; job replacement vs job displacement; AI in expert systems; distributed computing resources)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  COMPUTER STUDIES

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