I/O Devices
6 reference items
Which standard input device uses an alphanumeric layout to type text?
A
Keyboard
Explanation
The keyboard is the primary input device used for entering character data.
Which pointing input device controls the cursor on a computer screen?
A
Mouse
Explanation
The mouse allows users to navigate the graphical user interface by pointing and clicking.
Which input device digitizes printed text and photos into digital files?
A
Scanner
Explanation
A scanner uses optical sensors to capture physical media and save it digitally.
Which primary output device visually displays computer graphics and text?
A
Monitor
Explanation
The monitor or display screen is the primary visual output interface.
Which output device produces a hard copy of digital documents?
A
Printer
Explanation
Printers transfer digital ink or toner onto physical sheets of paper.
Which device can function as both an input and output device?
A
Touchscreen
Explanation
A touchscreen displays graphics (output) and detects physical touches (input).