Grade 9-Input Devices

What is the primary function of a keyboard?

• To input data and commands into a computer.

• To connect to the internet.

• To store files and data.

• To display images on the screen.

List one advantage of using a numeric keypad.

• Enhanced audio quality for sound systems.

• Improved graphics performance.

• Increased battery life for devices.

• Faster data entry for numerical input.

What are the common uses of pointing devices?

• Printing documents

• Storing data

• Common uses of pointing devices include navigating user interfaces, selecting items, dragging and dropping files, and drawing or designing graphics.

• Playing audio files

Name a disadvantage of using a remote control.

• Remote controls can be easily lost.

• They can improve the quality of TV reception.

• Remote controls are always easy to find.

• Remote controls are more reliable than manual controls.

How does a joystick enhance gaming experience?

• A joystick makes games less engaging and fun.

• A joystick is primarily used for music production.

• A joystick enhances gaming experience by providing precise control, improving immersion, and enabling complex maneuvers.

• A joystick limits player movement and control.

What is a driving wheel primarily used for?

• To apply brakes

• To accelerate the vehicle

• To change gears

• To steer a vehicle

Describe one advantage of touch screens as input devices.

• Touch screens are only useful for gaming applications.

• Touch screens provide a more intuitive and user-friendly interface.

• Touch screens require more physical space than mouse devices.

• Touch screens are less responsive than traditional keyboards.

What type of data can scanners convert?

• Digital files only

• Audio recordings

• Video files

• Physical documents, images, and barcodes

How can a camera be used as an input device?

• A camera can only take pictures and cannot send data to a computer.

• A camera functions as a storage device for images and does not interact with a computer.

• A camera captures visual data that can be processed by a computer.

• A camera is used solely for video playback and not for input.

What is the role of a microphone in a computer system?

• To store audio files on the computer.

• To amplify sound output from the speakers.

• The role of a microphone in a computer system is to capture audio input.

• To enhance video quality during streaming.