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  1. The term 'PC - XT' refers to ____.
    1. Personal Computer External Technology
    2. Personal Computer Extended Technology
    3. Personal Computer Expanded Technology
    4. Personal Computer Embedded Technology
Correct Option: B

The IBM PC XT was the successor of the IBM PC. The XT stands for EXtended Technology and was introduced in early 1983. It had enhanced features: CGA graphic card, hard disk, more memory, and no more tape port. The term PC-XT refers to personal computer extended Technology.


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