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Exam-style practice

Direct data entry and associated devices practice questions

Practise mixed syllabus-aligned questions for Direct data entry and associated devices. Aligned to Cambridge IGCSE Information and Communication Technology.

Practice questions

Question 1 of 2

Choose an answer, get feedback, then move sideways through the set.

Paper 1 structured question: Direct data entry and associated devices

Paper 1Theory2 marks

Description

Direct Data Entry Devices

A supermarket uses barcode readers at checkout to scan product codes. A bank uses chip and PIN readers for card payments. An examination board uses OMR to mark multiple-choice answer sheets.

  1. a

    Describe the benefits of using barcode readers in supermarkets.

    Aim for approximately 2 distinct marking points.

    [2]