2025-comp-marking-scheme-f3-t2-exam-1-teacher.co_.ke
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DATE 07 Dec 2025
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About This Document
Document Type: This is a Exam Paper, designed for Testing knowledge and exam technique.
Context: Standard material from the 2025 academic period.
Key Content: Likely covers essential definitions, technical implementation, and theoretical concepts necessary for mastery of the subject.
Study Strategy: Attempt these questions under timed conditions to simulate a real exam environment, then check against your notes.
Recommendation: comprehensive resource for students aiming to achieve top grades in their final assessments.
Detailed Content Overview
Introduction
This notes resource titled "2025-comp-marking-scheme-f3-t2-exam-1-teacher.co_.ke" provides comprehensive exam preparation materials designed to test and enhance your understanding. This resource is structured to facilitate effective learning and retention of important information.
Key Topics Covered
Learning Objectives
- Master key concepts required for examination success
- Practice answering exam-style questions effectively
- Develop time management skills for timed assessments
- Identify and address knowledge gaps in understanding
Detailed Summary
COMPUTER STUDIES FORM THREE TERM 2 2025 Download this and other FREE materials from https://teacher. ke/notes OPENER EXAMINATION MARKING SCHEME 1. Bit ✓ Binary digit 0 or 1 ii. Byte ✓ Group of bits (mostly 8) used to represent a single character iii. Nibble ✓ Half of a byte iv. Word ✓ Two or more bytes 2. Give two reasons for the use of binary numbers to represent data in computers (2marks) ✓ Human languages are complex hence it is easier to develop machines in that takes human language and encode it in binary form. ✓ Digital devices and small in size, consume less energy and are more reliable than analog. Briefly explain how data is represented and interpreted in optical media such a compact disk. (3 marks) ✓ Shinny surface of the disk is made up of small lands and bits. ✓ When light is directed to trike the shiny surface the raised lands reflect back light onto a photoelectric cell which is interpreted as a 1.
Study Tips & Recommendations
Time Management
Practice under timed conditions to improve speed and accuracy. Allocate specific time limits to each section.
Active Practice
Attempt all questions before checking answers. Review mistakes to understand where improvements are needed.
Mark Scheme Review
Study marking schemes carefully to understand how examiners award points and structure your answers accordingly.
Regular Review
Schedule periodic reviews to reinforce learning and combat forgetting. Use spaced repetition for optimal retention.
Content Preview
COMPUTER STUDIES FORM THREE TERM 2 2025 Download this and other FREE materials from https://teacher.co.ke/notes OPENER EXAMINATION MARKING SCHEME 1. Define the following terms. (4 marks) i. Bit ✓ Binary digit 0 or 1 ii. Byte ✓ Group of bits (mostly 8) used to represent a single character iii. Nibble ✓ Half of a byte iv. Word ✓ Two or more bytes 2. Give two reasons for the use of binary numbers to represent data in computers (2marks) ✓ Human languages are complex hence it is easier to develop mac...
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