Understanding Abbreviations and Their Applications

This question requires us to identify the correct match between a common computer abbreviation, its corresponding full form, and its actual use or application. Let's examine each option carefully.

Analyzing Option 1: CD

• Abbreviation: CD
• Given Full Form: Compact Disk
• Given Application: Used for high-speed internet access

The full form 'Compact Disk' is correct. However, a Compact Disk is primarily a storage medium for digital data (like music, software, or files). While some older internet connection devices might have had 'CD' in their names (like Communication Device), the term CD itself does not refer to a technology for high-speed internet access.

Analyzing Option 2: ASCII (Incorrect)

• Abbreviation: ASCII
• Given Full Form: Automated Symbolic Code for Integrated Input
• Given Application: Converts images to code

The full form provided here is incorrect. ASCII stands for something else. Furthermore, while ASCII is related to code, its primary function isn't converting images to code; it's specifically for representing text characters.

Analyzing Option 3: ASCII (Correct)

• Abbreviation: ASCII
• Given Full Form: American Standard Code for Information Interchange
• Given Application: Encodes text in computers

This option presents the correct details. ASCII stands for American Standard Code for Information Interchange. It is a character encoding standard used for electronic communication. Computers use ASCII to represent text characters, such as letters (A-Z, a-z), numbers (0-9), punctuation marks, and other symbols. Each character is assigned a unique numerical code.

Analyzing Option 4: LAN

• Abbreviation: LAN
• Given Full Form: Large Area Network
• Given Application: Used for connecting computers across continents

The abbreviation LAN stands for Local Area Network, not Large Area Network. A Local Area Network connects computers within a limited area, like a single building or office. Connecting computers across continents typically involves a Wide Area Network (WAN).

Conclusion

Based on the analysis, only Option 3 correctly identifies the full form of an abbreviation (ASCII) and accurately describes its application in computing.