Understanding Input and Output Devices

What is the primary function of input devices?

• To display information from the computer

• To store data permanently

• To get information into the computer

• To process data within the computer

Which of the following is NOT an input device?

• Mouse

• Keyboard

• Microphone

• Monitor

What is the most common type of keyboard layout?

• QWERTY

• COLEMAK

• AZERTY

• DVORAK

Why is it important to clean your keyboard regularly?

• To improve typing speed

• To prevent it from becoming a magnet for dirt

• To enhance its color

• To increase its lifespan

What was a significant change in the evolution of the mouse?

• The addition of more buttons

• The transition from wired to wireless

• The introduction of the trackball

• The shift from trackball to optical technology

What should you do if your optical mouse cursor is jumping on the screen?

• Replace the mouse

• Check for hair or debris in the sensor area

• Update the mouse driver

• Change the mouse pad

What is the primary function of a scanner?

• To print documents

• To convert hardcopy into softcopy

• To store data

• To display images

What does DPI stand for in the context of scanners?

• Data per input

• Document print index

• Dots per inch

• Digital processing interface

Which factor is NOT important when choosing a scanner?

• Resolution

• Bit depth

• Color of the scanner

• Budget

What is the difference between hardcopy and softcopy?

• Hardcopy is digital, softcopy is physical

• Hardcopy is physical, softcopy is digital

• Hardcopy is temporary, softcopy is permanent

• Hardcopy is editable, softcopy is not