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barcode-reader MCQ Questions for Class 9

barcode-reader se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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2 questions tagged with barcode-reader.

Question 1/2 Expert Artificial Intelligence ICT (Information & Communication Technology) Skills-I Basic components of a computer system Class 9 Level 34

यदि बारकोड पाठक गलत कोड पढ़ रहा हो तो पहला उचित कदम क्या है?

If a barcode reader is reading codes incorrectly, what is the first appropriate step?

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Correct Answer

A. बारकोड और पाठक की सतह साफ करके दोबारा स्कैन करनाClean the barcode and reader surface and scan again

Step 1

Concept

A dirty or damaged code may cause reading errors. Check simple causes first.

Step 2

Why this answer is correct

The correct answer is A. बारकोड और पाठक की सतह साफ करके दोबारा स्कैन करना / Clean the barcode and reader surface and scan again. A dirty or damaged code may cause reading errors. Check simple causes first.

Step 3

Exam Tip

गंदा या क्षतिग्रस्त कोड पढ़ने में त्रुटि दे सकता है। परीक्षा में सरल कारण पहले जांचें।

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Question 2/2 Medium Artificial Intelligence ICT (Information & Communication Technology) Skills-I Basic components of a computer system Class 9 Level 36

दुकानों में वस्तु का कोड पढ़ने के लिए कौन-सा उपकरण उपयोग होता है?

Which device is used in shops to read a product code?

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Correct Answer

D. बारकोड पाठकBarcode reader

Step 1

Concept

A barcode reader converts a printed product code into digital data. Treat it as an input device.

Step 2

Why this answer is correct

The correct answer is D. बारकोड पाठक / Barcode reader. A barcode reader converts a printed product code into digital data. Treat it as an input device.

Step 3

Exam Tip

बारकोड पाठक वस्तु पर छपे कोड को डिजिटल डेटा में बदलता है। परीक्षा में इसे इनपुट उपकरण मानें।

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