1.1 Meaning and importance of digital literacy
Digital literacy is the ability to find, evaluate, create, use and communicate information safely and responsibly using digital devices such as computers, smartphones and the internet. It goes beyond knowing which buttons to press: a digitally literate person understands how digital tools work, can judge whether online information is reliable, protects their data and privacy, and uses technology to solve problems at work and in daily life. For an interior designer, digital literacy covers everything from emailing a client and preparing a quotation in a spreadsheet to presenting mood boards and working with design software.
Example: an interior design studio in Kiambu wins clients by sending them digital mood boards and 3D room views by email and WhatsApp, then tracking orders and payments in a shared spreadsheet.
Components of digital literacy
- Device and software skills: operating computers, phones, printers and common applications.
- Information literacy: searching for information and judging whether it is accurate and current.
- Communication and collaboration: using email, messaging, video meetings and shared documents.
- Content creation: producing documents, presentations, images and simple designs.
- Digital safety and security: protecting devices, accounts and personal data.
- Digital citizenship and ethics: behaving responsibly online and respecting copyright.
- Problem solving: troubleshooting simple faults and choosing the right digital tool for a task.
Importance of digital literacy
- Employability: most jobs, including design, construction and hospitality, require computer use; employers expect staff to handle email, office software and online systems.
- Access to government services: services such as eCitizen, KRA iTax, NHIF/SHA registration and HELB loans are online.
- Business growth: designers and small enterprises market their work on social media, websites and online marketplaces.
- Productivity: digital tools speed up drawing, costing, scheduling and reporting.
- Lifelong learning: online courses, tutorials and e-libraries allow continuous skill development.
- Online income: remote and freelance work depends on digital skills.
- Safety: recognising scams, phishing and fake news protects people and their money.
- Participation in society: citizens can communicate, access news and take part in public discussions.
Digital literacy in interior design practice
- Client communication: emails, video calls and shared folders.
- Design production: CAD and 3D software, image editing, presentation boards.
- Business administration: quotations, invoices, procurement lists and project schedules.
- Marketing: portfolios on websites and social media.
- Research: finding materials, finishes, suppliers and trends online.
Levels of digital literacy
- Basic: operating a device, typing, browsing and using email.
- Intermediate: using office suites effectively, managing files, collaborating online and applying security measures.
- Advanced: using specialised software, automating tasks and creating digital content professionally.
The rest of this chapter
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Create a free account 🔒1.2 Functions and Uses of Computers
A computer is an electronic device that accepts data as input, processes it according to a set of instructions (a program), stores data and results, and produces output as information. These four functions, input, processing, storage and output, form the infor…
🔒1.3 Classification of computers
Computers are grouped according to their size and processing power, the type of data they process, and the purpose they are designed for. Classification helps a user choose the right computer for a task and understand how different computers work together in a…
🔒1.4 Components of a computer system
A computer system is made up of several components that work together to turn data into information. The main components are hardware, software, data (and information), people (users) and procedures. Some texts also include communication (network) as a compone…
🔒1.5 Computer Hardware
Computer hardware is the set of physical parts of a computer that can be seen and touched. It includes the system unit and its internal components, devices for entering data, devices for presenting results, devices for storing data and the ports that connect t…
🔒1.6 Classification of computer software
Computer software is the set of programs, instructions and related data that tell the computer what to do. Software is classified mainly by purpose (system or application software), and also by how it is acquired and licensed. Understanding the classes helps a…
🔒1.7 Operating system functions
An operating system (OS) is the main system software that manages a computer's hardware and software resources and provides an interface through which users and programs use the computer. It loads when the computer starts (booting) and runs all the time. Commo…
🔒1.8 Procedure for turning on/off a computer
Turning a computer on and off correctly protects the hardware, prevents loss of unsaved work and avoids corruption of the operating system and files. Starting a computer is called booting; closing all programs and switching off through the operating system is…
🔒1.9 Mouse use techniques
A mouse is a pointing device used to move a pointer (cursor) on the screen and to select and manipulate objects. Most mice have a left button, a right button and a scroll wheel. Good mouse technique makes work faster and more accurate, which is important in de…
🔒1.10 Keyboard Parts and Use Techniques
The keyboard is the main input device for entering text, numbers and commands. Most computers use the QWERTY layout, named after the first six letters on the top row of letter keys. Knowing the parts of the keyboard and using correct typing technique increases…
🔒1.11 Desktop Customization
The desktop is the main screen that appears after logging into a computer, showing the background, icons, taskbar and Start menu. Desktop customisation means changing its appearance and layout to suit the user's preferences and work, for example the background…
🔒1.12 File and Folder Management using an operating system
File management is the organisation, storage, naming, retrieval and protection of files using the operating system's tools. A file is a named collection of data such as a document, drawing or photo; a folder (directory) is a container that holds files and othe…
🔒1.13 Computer Internet Connection Options
An internet connection option is the method used to link a computer or device to the internet through an internet service provider (ISP). Options differ in speed, cost, reliability, coverage and the equipment needed. Choosing the right one depends on location,…
🔒1.14 Computer external devices management
External devices (peripherals) are hardware attached to a computer from outside the system unit, such as printers, scanners, external drives, projectors, speakers, webcams and graphics tablets. Managing them means connecting them correctly, installing their dr…
Chapter Practical Activities
Practical 1: Power On and Shutdown of Computer Devices
Interior Design · Level 6
Digital Literacy
PRACTICAL ASSESSMENT
TIME: 3 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)
Type: Individual
INSTRUCTIONS TO CANDIDATE:
1. You are required to perform the following task:
i. Demonstrate correct powering on and safe shutdown of a desktop computer (450mm x 200mm x 400mm), a laptop (350mm x 240mm x 20mm), a tablet (250mm x 170mm x 8mm), and a smartphone (150mm x 70mm x 8mm).
2. You have been provided with the following resources for the practical task:
| Tools & Equipment | Materials |
|---|
| Desktop computer | |
| Laptop computer | |
| Tablet device | |
| Smartphone | |
| Power supply cables | |
| Power strip with surge protection | |
| Mouse and keyboard | |
⬇ PDFResources Required (Cutting List)
| S/N | Item | Quantity |
|---|
| 1 | Desktop computer | 1 Pc per Candidate |
| 2 | Laptop computer | 1 Pc per Candidate |
| 3 | Tablet device | 1 Pc per Candidate |
| 4 | Smartphone | 1 Pc per Candidate |
| 5 | Power supply cables | 1 Set per Candidate |
| 6 | Power strip with surge protection | 1 Pc per Candidate |
| 7 | Mouse and keyboard | 1 Set per Candidate |
⬇ PDFAssessor Guide
| Items to be Evaluated | Marks Available | Marks Obtained | Comments |
|---|
| TASK 1: Power On Computer Devices |
Candidate wears appropriate PPE before starting the task
(Award 1 mark if PPE worn, else 0) | 1 | | |
Candidate checks power connections and ensures devices are plugged correctly
(Award 2 marks if all devices connected properly, else 0) | 2 | | |
Candidate powers on desktop computer using the power button
(Award 2 marks if powered on correctly, else 0) | 2 | | |
Candidate powers on laptop by opening the lid and pressing power button
(Award 2 marks if powered on correctly, else 0) | 2 | | |
Candidate powers on tablet and smartphone using their respective power buttons
(Award 2 marks if powered on correctly, else 0) | 2 | | |
| Sub-Total | 9 | | |
| TASK 2: Safe Shutdown of Computer Devices |
Candidate closes all running applications on desktop computer before shutdown
(Award 2 marks if done correctly, else 0) | 2 | | |
Candidate uses proper shutdown procedure on desktop computer via operating system
(Award 2 marks if shutdown done properly, else 0) | 2 | | |
Candidate shuts down laptop using the operating system shutdown option
(Award 2 marks if shutdown done properly, else 0) | 2 | | |
Candidate powers off tablet and smartphone using respective shutdown procedures
(Award 2 marks if shutdown done properly, else 0) | 2 | | |
Candidate disconnects power cables safely after shutdown
(Award 1 mark if done safely, else 0) | 1 | | |
| Sub-Total | 9 | | |
| PRODUCT CHECKLIST |
All devices powered on correctly and booted to the operating system
(Award 3 marks if all devices booted successfully, else 0) | 3 | | |
All devices shut down properly without data loss or error messages
(Award 3 marks if shutdown is clean and safe, else 0) | 3 | | |
Power cables and peripherals disconnected safely without damage
(Award 2 marks if cables disconnected safely, else 0) | 2 | | |
| Sub-Total | 8 | | |
| GRAND TOTAL | 26 | | |
ASSESSMENT OUTCOME: ☐ Competent ☐ Not Yet Competent (competent if at least 50%)
Practical 2: Connecting Peripheral Devices to a Desktop Computer
Interior Design · Level 6
Digital Literacy
PRACTICAL ASSESSMENT
TIME: 3 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)
Type: Individual
INSTRUCTIONS TO CANDIDATE:
1. You are required to perform the following task:
i. Connect a USB keyboard, USB optical mouse, and USB printer to a desktop computer and verify all devices are powered and recognized by the system.
2. You have been provided with the following resources for the practical task:
| Tools & Equipment | Materials |
|---|
| Desktop Computer | |
| USB Keyboard | |
| USB Optical Mouse | |
| USB Printer | |
| Power Cable for Computer | |
| Power Cable for Printer | |
| USB Cable for Printer | |
| Surge Protector Power Strip | |
| Cleaning Cloth | |
⬇ PDFResources Required (Cutting List)
| S/N | Item | Quantity |
|---|
| 1 | Desktop Computer | 1 Pc per Candidate |
| 2 | USB Keyboard | 1 Pc per Candidate |
| 3 | USB Optical Mouse | 1 Pc per Candidate |
| 4 | USB Printer | 1 Pc per 3 Candidates |
| 5 | Power Cable for Computer | 1 Pc per Candidate |
| 6 | Power Cable for Printer | 1 Pc per 3 Candidates |
| 7 | USB Cable for Printer | 1 Pc per 3 Candidates |
| 8 | Surge Protector Power Strip | 1 Pc per Candidate |
| 9 | Cleaning Cloth | 1 Pc per Candidate |
⬇ PDFAssessor Guide
| Items to be Evaluated | Marks Available | Marks Obtained | Comments |
|---|
| TASK 1: Connecting Peripheral Devices |
Candidate wears appropriate PPE (e.g., antistatic wrist strap or ensures static-safe environment)
(Award 2 marks if PPE or static precautions are observed, otherwise 0) | 2 | | |
Candidate connects the power cable to the desktop computer and plugs it into the surge protector
(Award 2 marks if power cable is properly connected and secured) | 2 | | |
Candidate connects the USB keyboard to an available USB port on the desktop computer
(Award 3 marks if keyboard is correctly connected without forcing the connector) | 3 | | |
Candidate connects the USB optical mouse to an available USB port on the desktop computer
(Award 3 marks if mouse is correctly connected and cable managed) | 3 | | |
Candidate connects the USB printer power cable to the printer and plugs it into the surge protector
(Award 2 marks if power cable is properly connected and printer powered) | 2 | | |
Candidate connects the printer USB cable from the printer to the desktop computer's USB port
(Award 3 marks if printer USB cable is correctly connected and secured) | 3 | | |
Candidate switches on the desktop computer and printer in correct sequence
(Award 2 marks if power-on sequence is followed correctly) | 2 | | |
Candidate verifies that the keyboard, mouse, and printer are recognized by the operating system
(Award 4 marks if all devices are detected and ready for use without errors) | 4 | | |
Candidate cleans the keyboard, mouse, and printer surfaces with the cleaning cloth without damaging devices
(Award 2 marks if cleaning is done properly and carefully) | 2 | | |
| Sub-Total | 23 | | |
| PRODUCT CHECKLIST |
All peripheral devices (keyboard, mouse, printer) are properly connected, powered, and recognized by the computer system
(Award 10 marks if all devices function correctly and connections are neat and secure) | 10 | | |
Cabling is neatly arranged without tension or loose cables, and power connections use the surge protector properly
(Award 7 marks if cable management is tidy and safe) | 7 | | |
Peripheral devices are clean and free from dust or fingerprints
(Award 5 marks if devices are visibly clean and well-maintained) | 5 | | |
| Sub-Total | 22 | | |
| GRAND TOTAL | 45 | | |
ASSESSMENT OUTCOME: ☐ Competent ☐ Not Yet Competent (competent if at least 50%)
🔒Basic Data Entry Using Keyboard and MousePractical 3
🔒Operate Output Devices: Monitor and Printer Setup and UsePractical 4
🔒Basic Troubleshooting of a Desktop Computer Failing to Start and Peripheral ConnectionPractical 5
🔒Adjust computer device settings for optimal user experiencePractical 6
🔒Connect and Operate External Storage DevicesPractical 7
🔒Launching and Closing Common Software ApplicationsPractical 8
🔒File and Folder Management on a Computer DevicePractical 9
🔒Connect a Computer Device to a Basic Network and Verify ConnectivityPractical 10
