Module 1.7: extended hardware concepts Flashcards
What is the function of a _______ on the motherboard?
memory chip
A memory chip stores instructions needed to start the computer and load the operating system.
Name three examples of pointing devices.
- Mouse
- Touchpad
- Pointing stick
Pointing devices are used to move the pointer or cursor on the screen.
What type of device is a pen or stylus classified as?
Input device
Used with digitizing tablets, they allow for more natural and accurate drawing compared to a mouse.
How does a trackball function?
By moving the ball with fingers
Often used by people with disabilities for easier navigation.
What is a multi-touch screen capable of?
Gestures such as pinching
Multi-touch screens can perform actions like zooming out.
What is the purpose of an accelerometer in a device?
Detects movement
It is used for screen orientation in games and auto-rotation of the screen.
What do temperature sensors prevent in electronic devices?
Overheating
They will turn off the device automatically if it gets too hot.
What function do light sensors serve in devices?
Auto-adjust screen brightness
They can also switch the screen off when the phone is held to the ear.
What does an electronic compass indicate?
Direction of the device
It shows the direction in which a device is pointing.
Name two gaming devices used for input.
- Joystick
- Game controller
These devices enhance the gaming experience by providing different ways to interact with games.
What is the primary function of digital cameras?
Capture images and videos.
What is the resolution of digital cameras measured in?
Megapixels (MP)
Higher megapixels in digital cameras result in what?
Better quality images but larger file sizes.
What type of scanner scans one page/image at a time?
Flatbed scanner.
What is a sheet-fed scanner capable of doing?
Automatically feeds a stack of papers one sheet at a time.
