F3 COMP OPENER TERM 3 2026
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Word Editable SampleNAME: ..................................................................................... INDEX NO: ............................SCHOOL: .................................................................................. SIGNATURE: ........................DATE: .......................................................................................
451COMPUTER STUDIESFORM 3 TERM 3 OPENER EXAMINATION 2026TIME: 2 ½ HOURS
INSTRUCTIONS TO CANDIDATES
Write your name, index number, school, and date in the spaces provided above.
This paper consists of THREE sections: Section A, Section B and Section C.
Answer ALL questions in Section A, Section B, and Section C in the spaces provided.
SECTION A: (40 MARKS)Answer ALL questions in this section.
1. (a) Define the term 'computer system'. (1 mark)
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(b) State three functional differences between Primary Memory (RAM) and Secondary Storage (Hard Disk). (3 marks)
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2. Perform the following computer arithmetic binary and number system conversions:
| A | B | C | D | E | |
|---|---|---|---|---|---|
| 1 | Student Name | Maths | English | Computer | Total Score |
| 2 | Ashton Musya | 78 | 82 | 88 | |
| 3 | Beatrix Wanja | 65 | 70 | 72 | |
| 4 | Charles Nzioka | 90 | 85 | 94 |
This document is professionally prepared and verified for Form 3 (Secondary (8-4-4)) • Term 3.
- Competency-driven teacher inquiry models
- Guiding questions for active learner engagement
- Real-life problem-solving applications
- Formative & summative assessment indicators
- Performance levels (Exceeding, Meeting, Approaching)
- Practical assessment task breakdowns