21. Which key is commonly used to refresh a webpage in Windows browsers?
Correct Answer:
C. F5
Explanation: F5 is commonly used to refresh or reload the current webpage in many Windows applications and browsers.
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Computer Awareness Quiz Set 4 – कंप्यूटर ज्ञान
कंप्यूटर के मूल सिद्धान्त, हार्डवेयर-सॉफ्टवेयर, इंटरनेट, MS Office और शॉर्टकट पर आधारित प्रश्न। बैंकिंग, SSC और अन्य परीक्षाओं के लिए। कुल 25 प्रश्न · समय 17 मिनट · स्तर: Easy।
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Practice Questions & Answers
Try each question and reveal the correct answer when you are ready.
22. Which key is used to delete the character to the left of the cursor?
Correct Answer:
D. Backspace
Explanation: Backspace deletes the character immediately to the left of the cursor.
23. Which key is commonly used to move the cursor to the next line while typing?
Correct Answer:
D. Enter
Explanation: The Enter key is commonly used to create a new line or confirm an action.
24. What is the main purpose of a firewall?
Correct Answer:
B. To help control unauthorized network access
Explanation: A firewall helps monitor and control network traffic based on security rules.
25. What is the primary purpose of a computer password?
Correct Answer:
B. To protect access to an account or system
Explanation: A password is used as an authentication mechanism to help protect accounts and systems from unauthorized access.
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