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GenEd ICT — LET Practice Questions

This GenEd ICT section of the LET General Education exam covers 20 expert-reviewed practice questions. Each question has a plain-English explanation and notes on why the wrong answers are wrong.

20 reviewed questions on GenEd ICT — and over 300 across General Education overall — are available with a free LET360 account. Sign up free →

Sample questions with answers and explanations

Sample 1

Which of these is NOT an input device?

Answer: A

An input device sends data INTO the computer. A screen does the opposite — it shows results coming OUT — so it is an output device, not an input one.

Why the other choices are wrong
  • B. A scanner sends pictures of documents into the computer, so it is an input device.
  • C. A microphone feeds sound into the computer, so it is an input device.
  • D. A keyboard sends your typing into the computer, so it is an input device.

Sample 2

Which is NOT an application of ICT in education?

Answer: C

Learning and instruction, management, and research are all areas where schools apply ICT. AutoCAD is not an area at all — it is one specific software product, so it is the odd one out.

Why the other choices are wrong
  • A. Learning and instruction is a core way ICT is used in education, so it does belong.
  • B. Management (records, grades, schedules) is a real use of ICT in schools, so it does belong.
  • D. Research is a common educational use of ICT, so it does belong.

Sample 3

_____ is a vast network of computers located all over the world and linked to one another.

Answer: B

The Internet is the giant worldwide network that joins millions of computers so they can share information with each other.

Why the other choices are wrong
  • A. 'Digital' just means something uses numbers/electronic signals; it is not a network of computers.
  • C. Facebook is one website you visit on the Internet, not the whole network itself.
  • D. A search engine is a tool for finding pages on the Internet, not the network of computers.
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