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單項選擇題

A user reports that their thermal wristband printer is printing barcodes that will not scan properly.Which of the following maintenance techniques would MOST likely resolve this issue?（）

A. Replace the print roller
B. Reset to factory defaults
C. Replace the wristband roll
D. Clean the heating assembly

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單項選擇題

Which of the following laptop components will MOST likely need replacing within the first threeyears of use?（）

A. Battery
B. Processor
C. Memory
D. Backlight

單項選擇題

Which of the following laptop displays would provide the BEST viewing angle?（）

A. IPS LCD
B. TFT LCD
C. DLP
D. Plasma