Which of the following are pointing devices? (a) Trackball (b) Touchscreen (c) Graphic Tablet (d) Joystick Code:
(a), (b), (c) and (d)
To understand which devices from the list are pointing devices, let's examine each option:
- Trackball: A trackball is an input device used to control the pointer on a computer screen. It is definitely a pointing device, as it allows users to move the cursor by rolling the ball housed in a socket.
- Touchscreen: A touchscreen is a device that allows users to interact with a computer by touching the screen. It serves the dual purpose of a display and input device; hence, it qualifies as a pointing device.
- Graphic Tablet: This is a device used for drawing and design work, where users can control a pointer on the screen using a stylus. It functions as a pointing device, as it helps direct activity on the screen based on user input.
- Joystick: A joystick is an input device used primarily for gaming and simulations, which includes controlling the movement of an object on the screen (such as a pointer or a character). Thus, it is considered a pointing device.
All the devices listed (a) Trackball, (b) Touchscreen, (c) Graphic Tablet, and (d) Joystick function as pointing devices, allowing the user to interact with a computer by affecting the position of the cursor or the elements on the screen.
Therefore, the correct answer is option (a), (b), (c) and (d).
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Important Questions from Computer Literacy
Which of the following are the advantages in using Solid State Drives (SSDs) rather than Hard Disk Drives (HDDs) in Laptop computers?
A. SSD is much lighter than HDD.
B. SSD has a lower power consumption than HDD.
C. SSDs are thick compared to HDDs due to no moving parts.Choose the correct answer from the options given below:
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Statement I : CDs and DVDs are described as magnetic storage devices.
Statement II : Laser printers are made up of a print head consisting of nozzles that sprays droplets of ink onto the paper to form characters.
In the light of the above statements, choose the correct answer from the options given below:
Which of the following statement(s) is/are TRUE?
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Which statement is true about Random Access Memory (RAM) in a computer system?
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