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PHS CyberSchool

Computer Studies SG

Modified 01 April 2004


Scanners - 9 marks

Online learners print the question paper, disconnect from the Internet, think about the correct answers and then answer it online. Onsite learners do it on foolscap paper as homework.



Section 1 - 6 marks

Write down a letter/number of the item in Column B which best matches each of the descriptions in Column A. Fill in the correct letters/numbers in the text boxes.

Column A

Column B

  1. Conversion process by which scanners convert images into numeric digits before storing them in the computer; the process of converting data into digital form
  2. Input device that scans bar codes and then converts the bar code into a number on-screen
  3. Microcomputer interface capable of recognizing spoken input from a variety of individuals
  4. Reader that senses magnetized marks made by the magnetic particles in lead from a pencil
  5. Recognition of a specific typeface developed to be read by early scanners. OCR devices scan written or typed text and transform it into computer-readable form
  6. Scanning device that captures typed documents, pictures, graphics, or even handwriting for use by a computer
  1. Bar code reader
  2. Digitizing
  3. Optical character recognition (OCR)
  4. Optical mark reader (OMR)
  5. Optical scanner
  6. Voice recognition system

Section 2 - 3 marks

Write down a letter/number of the item in Column B which best matches each of the pictures in Column A. Fill in the correct letters/numbers in the text boxes.

Column A

Column B

  1. As the bar codes are scanned, the computer updates the inventory quantities
  2. This LogiTech handheld scanner can scan small, odd-sized items or full pages of text


Return to Computer Studies lesson plan index.  This work may be freely copied for non-commercial use only. Copyright © Pam Miller.