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Question 1: What powers a computer to make it run?
- Electricity
- Batteries only
- Water
- Sunlight
Answer: A. Electricity
Explanation: Computers are electronic machines that require electricity to function. Without a power source, the internal components cannot process information or perform the tasks they were designed to complete for users.
Question 2: Which device is used to send input to a computer?
- Speaker
- Keyboard
- Monitor
- Printer
Answer: B. Keyboard
Explanation: A keyboard is a primary input device that allows users to send data and instructions to the computer. Other examples of input devices include the computer mouse and various scanners.
Question 3: Which device shows the results of computer processing?
- Microphone
- Mouse
- Monitor
- Keyboard
Answer: C. Monitor
Explanation: A monitor is an output device that displays the results of processing on a screen. It allows the user to see the information, files, or programs they are currently working with.
Question 4: What is the main screen area with icons and a task bar called?
- Printer
- Keyboard
- Desktop
- Mouse
Answer: C. Desktop
Explanation: The desktop is the primary interface that appears when a computer starts. It provides a workspace where users can see icons representing their files, folders, and various installed software programs.
Question 5: What are the small pictures on the desktop called?
- Icons
- Screens
- Buttons
- Wires
Answer: A. Icons
Explanation: Icons are small graphical pictures displayed on the desktop. Each icon represents a specific file, folder, or program, making it easy for users to find and open what they need quickly.
Question 6: What does a computer need to process inputs?
- A brain
- A person
- A program
- A battery
Answer: C. A program
Explanation: A computer requires a program, which is a set of instructions, to know how to process inputs and create outputs. Computers cannot function or make decisions without these pre-written instructions.
Question 7: Which mouse button is used to select items on the screen?
- Scroll wheel
- Left button
- Middle button
- Right button
Answer: B. Left button
Explanation: The left mouse button is the standard tool used to point at, select, and click on items displayed on the screen. It is the primary way users interact with the interface.
Question 8: What can computers do with data?
- Store and retrieve it
- Think for themselves
- Feel emotions
- Make their own rules
Answer: A. Store and retrieve it
Explanation: Computers are designed to store data and retrieve it later using memory or storage devices. They do not have an IQ, cannot think, and cannot make decisions on their own.
Question 9: What is a good way to stay safe on a computer?
- Only visit trusted websites
- Share your password
- Download everything
- Talk to strangers
Answer: A. Only visit trusted websites
Explanation: Safe computer use involves only visiting websites you trust and never sharing personal information like passwords or addresses. This helps protect your privacy and keeps your computer safe from harm.
Question 10: What is a common step if a computer stops working?
- Buying a new one
- Taking it apart
- Painting it
- Rebooting
Answer: D. Rebooting
Explanation: Rebooting, which means turning the computer off and then on again, is a very common and effective troubleshooting step to fix minor issues when a computer stops working as expected.