What is the purpose of the Caps Lock key on a keyboard?

It moves the cursor to the next tab stop.

It deletes the character to the left of the cursor.

It toggles between lowercase and uppercase letters.

It temporarily pauses the action of an application program.

What is the primary function of a barcode reader?

To capture and read information contained in a barcode.

To convert printed data into ASCII.

To sense the presence or absence of a mark.

What type of touch screen technology is known for not being affected by dust or liquids, making them very reliable?

Magnetic Ink Character Recognition

What is the primary function of a plotter compared to a printer?

Plotters draw lines using a pen for precision.

Printers create images on a screen.

Plotters are used for high-speed document printing.

Printers are more expensive than plotters.

What is the primary function of Optical Character Recognition (OCR) devices?

To capture and read information contained in a barcode.

To convert printed data into ASCII.

To sense the presence or absence of a mark.

To project images on a flat surface.

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