Practice test

Input and output devices - Test Set 3

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Depending on what you are working on, _________ changes the form.
    1. Active tab
    2. Insertion point
    3. Mouse pointer
    4. Ribbon
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  2. Question 2

    Which of the following input devices is used to enter motion data into computers or other electronic devices?
    1. Printer
    2. Plotter
    3. Monitor
    4. Joystick
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  3. Question 3

    Which of the following converts analog information into digital form?
    1. Optical mark reading
    2. Barcode reader
    3. Digitizer
    4. Game pad
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  4. Question 4

    Which one of the following is a lever which can be rotated in many directions to control the speed of a shape on a computer monitor or a similar display screen?
    1. MIDI equipment
    2. Joystick
    3. Optical mark reader
    4. Visual display unit
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  5. Question 5

    Which of the following is an input device?
    1. Speaker
    2. Printer
    3. Monitor
    4. Keyboard
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  6. Question 6

    __________ is a reading device, which reads the printed key by scanning it character by character.
    1. Digitizer
    2. Trackball
    3. Magnetic Ink Character Reader (MICR)
    4. Optical Character Reader (OCR)
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  7. Question 7

    Which key is used to use the selected command in Windows keyboard?
    1. And
    2. Enter
    3. Tab
    4. Space
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  8. Question 8

    OMR is used in Recognition Technology, what is the full form of 'M' in it?
    1. Manipulator
    2. Magnetic
    3. Mirroring
    4. Mark
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  9. Question 9

    Microphone converts ____________.
    1. mechanical energy into sound energy
    2. sound energy into electrical energy
    3. sound energy into mechanical energy
    4. electrical energy into sound energy
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  10. Question 10

    The first barcode system was developed by whom?
    1. Norman Joseph Woodland
    2. John Bargar
    3. John McCarthy
    4. David Bradley
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  11. Question 11

    Which of the following is not a hardware?
    1. Printer
    2. Processor chip
    3. Mouse
    4. Java
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  12. Question 12

    What is the primary function of a scanner?
    1. To input graphical images and text into a computer.
    2. To project images on a screen.
    3. To produce audio output.
    4. To create printed copies of documents.
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  13. Question 13

    A device is used to input handwritten text or drawings into a computer is called a
    1. Light pen
    2. Graphics tablet
    3. Joystick
    4. Trackpad
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  14. Question 14

    What is the primary function of a barcode reader?
    1. Translates physical text into computer readable data
    2. Convert paper documents into digital format
    3. Capture images for video conferencing
    4. Read and interpret barcodes into digital data
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  15. Question 15

    Which of the following consists of an electronic writing area and a special pen that works with it?
    1. Trackball
    2. Plotters
    3. Graphics tablet
    4. Abacus
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  16. Question 16

    After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered as
    1. data
    2. output
    3. input
    4. the process
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  17. Question 17

    OCR stands for
    1. Optical Character Recognition
    2. Optimal Character Rendering
    3. Optical CPU Recognition
    4. Optical Computer Record
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  18. Question 18

    Which of the following is not a pointing device?
    1. Joystick
    2. Mouse
    3. Keyboard
    4. Touch screen
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  19. Question 19

    A ______ is a stationary pointing device with a ball mechanism on its top.
    1. mouse
    2. touchpad
    3. touchscreen
    4. trackball
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  20. Question 20

    The black and white elements of a barcode is scanned by illumination of the code with the ________ , which is then converted into matching text.
    1. red light
    2. green light
    3. yellow light
    4. blue light
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