Difference between revisions of "ICT student textbook/How is a computer different from a fridge"
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'''How is a computer different from a fridge''' | '''How is a computer different from a fridge''' |
Revision as of 09:07, 23 November 2016
How is a computer different from a fridge
Objectives
- Appreciating that a computer can do many things; unlike many other electronic appliances
- Understanding the difference between hardware and software
- Understanding that a computer works with data and can connect to other computers
What prior skills are assumed
- Academic levels as per class level; no specific ICT skills required
Resources needed
Hardware, software, Files
- Computer installed with Ubuntu Operating System
- Projection Equipment
- Images to show of the computer
- Basic digital literacy Handout
- Freeplane Handout.
Parts of the computer
#Scanner (nowadays this is in mobile itself, not very much used) #CPU – This is the processing unit #Main Memory: RAM: This determines how fast the computer works #Expansion cards #Power supply unit #CD Drive – External storage device #Hard disk: This determines how much storage capacity #Motherboard: This is where all instructions are wired together and helps the computer work #Speakers #Monitor #Operating System #Application Software #Keyboard #Mouse #External Hard Disk #Printer
Digital skills
- Interacting with the ICT environment
- Understanding the difference between operating system and application software
Description of activity with detailed steps
Teacher-led component
- Students in small groups can make a of list all the items a fridge does and a list of all the things they think a computer can do.
- In a group activity your teacher will compile all the group comments in a digital mind map using a concept mapping tool and encourage students to classify the various things the computer will do.
- The teacher will discuss why an operating system needed is and how it works with different applications to ensure that data is communicated
- With the help of a schematic the teacher will discuss the parts of a computer
- In small groups the students can switch on a computer and identify the parts they know
- The teacher will help you create a folder on your computer, for saving your work done in the class.
Student activities
- With your friends, compare a mobile phone and the computer and list the things each does
- Discuss with your friends if there is any difference
- For any one mobile application, draw a flowchart to document all the steps in using the application. Click here File:Example flowchart.odg for an example.
- In groups, you can draw concept map for the following things (your teacher will discuss with you additional activities):
- Connecting a TV to a cable network
- Using phones to book cooking gas
- Using the farmer SMS service from MKisan portal
- With the help of your teacher, take photographs of the charts and concept maps created, using a cell phone or a digital camera.
Portfolio
We saw earlier that you will keep adding to your digital outputs during this course. You will begin your portfolio collection with the digitized mind maps/ charts. Create a folder with your name and start saving your files.