Tuesday 26 May 2020

Best computer/device/setup for online classes for school students

Raspberry Pi (Model 4B) is a good choice for a computer/device for school students attending classes online.

The Pi 4B is like a computer's motherboard, so resellers and others bundle it with the following essential items, making it a complete kit (for around Rs.6500):
  • Power adapter
  • 32GB SD memory card
  • Case - with fan
  • Network patch cable
  • MicroHDMI to HDMI cable
Other items needed:
  • TV or a computer monitor (new monitor might cost around Rs.5000).
  • Wired earphones with mic (around Rs.500 to Rs.1000).
  • Wired Keyboard and mouse are needed for setup (around Rs.1000). If you wish, get a wireless keyboard and mouse when it is time to get new ones.
  • If you have an inverter at home, there is no need to buy a new UPS (Rs.3000). Plug in the Pi into a socket that gets power from the inverter.

Availability of products on Linux


The official Operating System (OS) Raspbian, and other OSs, can be installed on the Pi. In certain cases, companies do not distribute their products for Linux. So, before you settle on Pi, list the products that you consider essential and ensure those are available for the Pi. At times, instead of a native product, they may have a version of the product that can run on the browser - check if the browser version has all features you need.

Cost and maintenance


Total cost would in the range of Rs.8500 to  Rs.16000, depending on what you have at home already.

Amazon Fire Stick is also an economic option and needs to be tested. The keyboard, mouse and headset (with mic) would have to be connected via Bluetooth since newer versions of the Fire Stick don't have a USB port. If required apps are not available on the Amazon app store, one has to sideload Google Play Store and then install required apps or straightaway try Apps2Fire. Cost: Rs.4000 + another Rs.3000-3500 for accessories. TV may not be in a private place, which could be a disadvantage.

Other alternatives in this price range, like Samsung 10" Tab and Chromebook, cost a bit more to buy and maintain. They cannot be upgraded when the time comes and have to be replaced. However, they have a wider selection of apps (though, Android updates are provided only for 1.5 to 2 years). The Samsung Tab obviously has a touch interface - consider if it could be an advantage for any of your apps. Chromebook is an integrated product and gets OS updates for eight years.

On the other hand, the Pi can be upgraded by buying just a new Pi board - the other items need not be bought again.

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