COMPUTER HARDWARE COMPONENTS FUNCTIONS
EXTERNAL AND INTERNAL STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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touchpad
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barcode reader
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scanner
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keyboard
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Detailed explanation-1: -A pointing stick is a pressure-sensitive small nub used like a joystick. It is usually found on laptops embedded between the G, H, and B keys. It operates by sensing the force applied by the user. The corresponding “mouse” buttons are commonly placed just below the space bar.
Detailed explanation-2: -A touchpad or trackpad is a pointing device featuring a tactile sensor, a specialized surface that can translate the motion and position of a user’s fingers to a relative position on the operating system that is made output to the screen.
Detailed explanation-3: -The touchpad on a laptop does the same job as the mouse on a desktop computer. It is sometimes also called a trackpad. The touchpad is used to control the mouse pointer, also known as the cursor. The cursor is used to point at and choose (or activate) items on the screen.
Detailed explanation-4: -A touchpad-also called a trackpad-is a touch-sensitive pad that lets you control the pointer by making a drawing motion with your finger. Touchpads are common on laptop computers.