Summary

• Description:

  The MS Word document comprises KALA Trial Computer Studies Paper 1 2026 Mock Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Computer Studies Paper 1 (451/1) mock examination prepared for Form Four candidates.

  This assessment paper thoroughly evaluates student competencies in system development life cycles, word processing, spreadsheet cell referencing, networking concepts, database design, programming algorithms, and data representation for optimal revision and exam success.

  • Duration: 2 Hours 30 Minutes
  • Total Marks: 100 Marks (Section A: 40 Marks, Section B: 60 Marks)
  • Number of Questions: 20 Questions (Questions 1 - 20)
  • Structure: Section A (40 Marks, Questions 1-15, compulsory short-answer questions) and Section B (60 Marks, Questions 16-20, Question 16 compulsory plus any other three questions chosen)

  It covers the following topics:

  • Section A:
    • Systems Development Life Cycle: stages and data-gathering tools (interviews)
    • Word processing: word wrap vs text wrap, return key functions, and document formatting features
    • Data security and integrity: definition and features of a strong password
    • Spreadsheets: relative, mixed, and absolute cell referencing and formula transformation
    • Computer networking: advantages and resource sharing
    • Software selection criteria: software authenticity and portability
    • Hardware troubleshooting: printer fault diagnosis
    • Interfacing: comparative advantages of USB ports over legacy LPT and COM ports
    • Computer hardware procurement: processor speed, memory capacity, and compatibility
    • Software distribution: accompanying items with newly purchased software
    • Desktop publishing: non-printing guides in PageMaker
    • ICT careers: responsibilities of a computer technician
    • Database systems: Entity Relationship Diagrams (ERD)
    • Data processing modes: batch processing versus real-time processing
  • Section B:
    • Programming: dry running, properties of algorithms, and flowcharts using decision-making criteria
    • Application packages: spreadsheet terminology, word processing page formatting, print options, workbook structures, and database form design views
    • Databases: data types, candidate keys, primary key selection, query design, and questionnaire data collection
    • Data representation and networking: ring network topology, two's complement binary subtraction, and octal/decimal to binary and hexadecimal number conversions
    • System software and computer applications: operating system error handling, computer-based simulation, ICT career choices, transaction files, and computer laboratory ergonomics/health safety
• File Size:

  306.77 KB
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Computer Studies
• Posted By:

  Caleb_Peter

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