What does OCR stand for?
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OCR is an input technology that converts different types of documents into editable and searchable data.
Which device reads preprinted characters and converts them to digital code?
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OCR is useful in digitizing printed documents, allowing them to be searched and edited on computers.
Which card contains magnetically encoded information?
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Magnetic strip cards store data magnetically and are commonly used in ATMs and credit cards.
Which type of card contains a microprocessor and memory chip?
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Smart cards provide secure and encrypted storage and are used for identity verification and transactions.
What is another name for a fax machine?
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A fax machine is also called a facsimile machine, which transmits documents over telephone lines.
What is the full form of OMR?
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OMR stands for Optical Marks Recognition, used to read hand-filled forms like exams and surveys.
Which input device is used to read handwritten marks on paper?
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OMR devices scan answer sheets or forms and detect the presence of handwritten marks.
Which device is commonly used in education to check objective answers?
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OMR is widely used in schools and exams to scan multiple-choice answer sheets efficiently.
Who invented the mouse?
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Douglas Engelbart invented the mouse in the 1960s to improve human-computer interaction.
Which technology does an optical mouse use?
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Optical mice use laser or LED light to detect movement relative to the surface below.
What are source data-entry devices also called?
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Source data-entry devices are also called direct input devices because they allow direct data capture from a source.
What does a light pen use to detect input on the screen?
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A light pen is a light-sensitive device used to select objects on a screen by detecting the light emitted.
What is the function of right-clicking with a mouse?
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Right-clicking opens a special context menu that provides properties and options related to the selected object.
Which pointing device features a vertical handle and is commonly used for gaming or simulations?
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Joystick is a pointing device with a vertical handle used in gaming and simulations for directional input.
What kind of display allows user input by physically touching it?
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Touch screen is a video display device that allows user interaction by directly touching the screen surface.
Which input device is handheld and detects light to interact with the screen?
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A light pen is a handheld input device that uses light detection to interact directly with a display screen.
Which professionals commonly use light pens for detailed screen work?
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Engineers and graphic designers use light pen devices for precision in drawing or screen-based work.
What mouse action is typically used to open object properties or menus?
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Right-clicking is a mouse technique used to access special menus or object properties in GUI systems.
Which device is stationary but has a moveable ball on top for controlling the pointer?
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A trackball is a stationary pointing device with a moveable ball on top used to control the pointer.
What is another name for a touch pad?
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Touch pad is also known as a track pad, commonly used in laptops for cursor control.
Which pointing device is located between keyboard keys and is pressure-sensitive?
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Pointing stick is a pressure-sensitive device placed between keyboard keys, often seen on laptops.
What does OCR stand for?
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OCR stands for Optical Character Recognition. It is used to convert printed text into digital format.
Which card contains magnetically encoded information?
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Magnetic strip cards store data on a magnetic stripe and are widely used in banking and access control.
Which card has a microprocessor and memory chip?
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Smart cards contain embedded integrated circuits that can process data and store information securely.
What does MICR stand for?
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MICR is a technology used to read magnetic ink characters printed on checks, primarily used in banking.
Which device reads handwritten marks or symbols from paper?
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OMR (Optical Mark Recognition) detects hand-filled marks like bubbles or checkboxes, often used in tests or surveys.
What is used in education to check objective answers?
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OMR (Optical Mark Recognition) is used to evaluate MCQ answer sheets where students fill bubbles or boxes.
Which device does not move across the surface unlike a mouse?
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Trackball devices are stationary; the user rolls the ball to move the cursor instead of sliding the entire device.
What is another name for a touch pad?
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A touch pad is commonly referred to as a track pad, especially on laptops.
Where is a pointing stick located?
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The pointing stick is located between keys on a keyboard and responds to pressure.
Which input device has a vertical handle and is often used in gaming?
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Joysticks are often used for controlling video games and simulations, featuring a vertical stick.
What input method involves touching the screen directly?
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Touch screens allow users to interact with the display by tapping or swiping on the screen directly.
Which device is light-sensitive and handheld, used by designers?
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Light pens are sensitive to light and often used by graphic designers for precision tasks on screens.
Which professionals commonly use a light pen?
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Light pens are commonly used by engineers and graphic designers to draw or interact with screen elements precisely.
What is the pointer in a GUI environment?
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In a GUI, the pointer is a symbol that shows where the pointing device is directed on screen.
Which device controls the movement of the pointer on the screen?
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Pointing devices like mouse or trackball control pointer movement on the screen.
Which device is stationary and uses a moveable ball for pointer control?
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Trackball remains stationary, with only the ball on top being rotated to move the cursor.
What is the pointer in a GUI environment?
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In a GUI environment, the pointer is a small symbol that appears on the screen and is controlled by a pointing device.
