Unit 8 · AI & the Impact of Computing · Lesson 8.7

The Digital Divide

Every assignment this year assumed you had a device and a connection. What happens to the student for whom that isn’t true? Today: who’s left out, why, and why it gets worse on its own.

Big Idea 5 — Impact of ComputingCED 5.2 · promised in 1.9 and 6.8

Everything on this page is AP-TESTABLE unless it carries the CONTEXT — NOT ON THE AP EXAM label.

Before this lesson

No reading — this page is the reading. Retrieve 1.9 (compression is why low-bandwidth users get worse quality) and 6.8 (a 4 GB video at 3 Mbps takes about three hours).

1

Where We Are

People→ Bits→ Programs→ Internet→ Security→ Big Data→ Impact

Impact, back to People. Units 1 and 6 hinted at this twice. Here it gets its full name.

2

The Hook

List every assignment this year that assumed… …a working device, a fast connection, a quiet place, and an evening free to use them. Make the list as a class before reading on.
3

The Idea

The digital divide is the gap between people who have access to computing devices and the internet — and the skills to use them — and people who don’t. It isn’t one gap but several:

DimensionExample
Devicesone shared phone for a whole family vs a laptop each
Connectionno home internet, slow internet, or a data cap
Power and placereliable electricity, a quiet place to work
Skills and timeknowing how to use the tools, and having time to learn

Causes work at many scales: socioeconomic (income), geographic (rural areas cost more to wire), demographic (age, disability), and national infrastructure. The divide can be made better or worse by the actions of individuals, organizations, and governments.

The mechanism that makes it self-reinforcing — the testable part. As services move online and assume connectivity, the offline version shrinks or disappears. People without access then lose things they used to have: job applications, benefits, school, health appointments. The gap widens without anyone choosing that.
4

Try It — One Household, Six Tasks

Set up a household. See which everyday tasks work, struggle, or fail — and why.

devices:
home internet:
5

Vocabulary

digital divide Impact
Differing access to computing devices and the internet, based on socioeconomic, geographic, or demographic characteristics.
equitable access Impact
Access arranged so that people can actually use a service regardless of their device, connection, or ability — not just access that exists on paper.
6

Check

Five questions. Name the dimension and the mechanism.

0 of 5 answered
7

Impact Check

Who should fix it?

Pick one: the school, the city, internet companies, the state or federal government, or each family. Then answer again for a hospital that moves appointment booking online, and again for a store. Does your answer change? Why?

8

Connections

Came from 1.9 — compression makes streaming possible — and low-bandwidth users get the lossy version.
Came from 6.8 — bandwidth gaps in numbers: the same video, minutes vs hours.
Came from 8.4 — a design that measures connectivity as effort turns the divide into bias.
Next in 8.8 — crowdsourcing: computing at a scale no organization could pay for — with the same who’s-missing problem.
← 8.6 Beneficial and Harmful Effects