All sections of Gr.12 Information Technology, CAPS syllabus, summarized for easy studying. These documents are essential in learning the needed theory fast before diving into old past papers. All the basics are covered within these documents.
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Module 1.1
Hardware
Mobile Technologies
Laptop and Netbook
Complete computer case that includes a battery and WIFI communications
Attach 3G modem to allow connectivity
Netbook: basic computing tasks, cheaper, vanished
Advantages Disadvantages
Powerful CPU Size
Full-scale operating system Battery life
Expandable Not always ‘on’
No built-in cellular data
Smartphone
Mobile computer with operating system
Advantages Disadvantages
Always ‘on’ Mobile operating system
Always connected – built in cellular data Input can be difficult
Convergence device – separate tech and Not easily expandable with
functions are combined into a single peripherals
device
Long battery life
Tablet
Easier to use for computing tasks
Longer battery life
Same physical disadvantages than smartphone
Full desktop operating system
E-Reader
Single-Purpose: Dedicated (Kindle).
: Excellent at displaying text, low powered, does not run other software
Advantages Disadvantages
Cheaper Single purpose device
Smaller and lighter Extra item
Long battery life
Tablet based Designs: Multimedia and able o run other software
: Kindle fire
1
, Advantages of Mobility
Convenience
Combine functions
Not restricted by time or location
Achieve more in less time
Future of computing
1. Always on
2. Always connected
3. Powerful
4. Convergent
5. Mobile
Constrains on Mobile Technologies
Battery Life
Largest limiting factor
Longer operation = bigger battery = bigger device
Access to chargers
Make choices and limit
Relationship between computing power and power consumption
Speed and Availability of Communication
When reception is poor then smartphones can’t be used for tasks
Size
Limit the size/space = limit the computing components and battery and therefore power
2
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