To pass this unit, please study the 18 vocabulary words below.
- Barcode reader
- Click
- Double-click
- Fingerprint reader
- Graphics tablet
- Input device
- Joystick
- Light pen
- Microphone
- Mouse
- Mouse pointer
- OCR (optical character recognition)
- Right-click
- Speech recognition
- Stylus
- Touchpad
- Touchscreen
- Trackball
Noun (thing)
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a hardware peripheral designed to 'scan' products into an inventory tracking system
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"Harry ran into trouble while taking inventory because he forgot to charge his barcode reader."
Noun (thing)
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to press and release the primary mouse button
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"The screen prompt read "Click the button to continue.""
Verb (infinitive)
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to press and release the left mouse button twice in quick succession
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"The Macintosh user did not know that in order to open a file in Windows you need to double-click it."
Noun (thing)
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a device which forms a digitised image of a human finger print for the purpose of biometric authentication
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"The security firm was so tired of people choosing weak passwords that they installed fingerprint readers to increase the security of their systems."
Noun (thing)
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an input device or mouse alternative using a sensitive rectangular surface and a stylus
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"The graphic designer sometimes used a graphics tablet in addition to a mouse."
Noun (thing)
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any peripheral used primarily to enter data into a computer
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"The mouse and the keyboard are two examples of common input devices."
Noun (thing)
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an input device with a vertical rod mounted on a base used to control pointing devices or on-screen objects; normally with one or more buttons
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"The man used a joystick to control the airplane in the flight simulation."
Noun (thing)
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an input device using a light-sensitive pen shaped handle which can be used to draw on the computer screen
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"Before the mouse became available, some older computers used light pens to increase interactivity."
Noun (thing)
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a hardware device plugged into a computer's sound card optimized for voice commands or other audio recording
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"The handicapped woman used a microphone to dictate her Word documents instead of typing."
Noun (thing)
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a handheld input device used to move an onscreen pointer by means of sliding on a flat surface
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"Before the invention of the mouse, the 'tab key' or 'arrow keys' were often used to navigate the screen."
Noun (thing)
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a special icon (normally an arrow) which indicates the current location of the mouse on the desktop screen
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"The mouse pointer changes its shape at times, depending on the application being run and the task being performed."
Noun (thing)
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the ability of a computer to determine standard letters and numbers based on fuzzy logic
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"Instead of retyping the stack of documents, the secretary decided to use OCR technology to scan them."
Noun (thing)
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to press the right-side mouse button
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"Windows 95 was the first major operating system to popularize the right-click."
Noun (thing)
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the ability of a computer to convert spoken words from a user into usable data
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"The new phone system used speech recognition to help reduce the number of customer service representatives."
Noun (thing)
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a part of an input device resembling a pen used to draw on the surface of a graphics tablet
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"The man lost his stylus and thus could no longer enter text on his PDA until he replaced it."
Noun (thing)
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an input device consisting of a sensitive rectangular area in which one uses a finger to move a cursor on a display
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"Laptops commonly include a built-in touchpad in addition to supporting a mouse."
Noun (thing)
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a display that also acts as an input device by allowing a user to navigate a program by pressing specific locations of the screen
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"Most information kiosks in airports make use of touchscreens instead of keyboards or mice."
Noun (thing)
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a pointing device consisting of a ball on top of a base that is rotated to move a cursor on the computer screen
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"The injured person used a trackball instead of a mouse to move the cursor."