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Class 9 Computer Science Chapter 3 MCQs — ڈیجیٹل سسٹمز اور لاجک ڈیزائن

Class 9 Computer Science · Chapter 3 · Chapter practice

Practise this chapter online, check each answer and review your result. The current bank contains 40 objective questions for this chapter and medium.

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Sample practice questions

بولین الجبرا میں OR کی expression کون سی ہے؟

  1. A + B
  2. A · B
  3. NOT A
  4. A − B
Answer / جواب

A + B

بولین اصول A · 0 = 0 کا dual کون سا ہے؟

  1. A + 1 = 1
  2. A + 0 = 0
  3. A · 1 = 0
  4. NOT A = 0
Answer / جواب

A + 1 = 1

دو-input کون سا gate صرف اس وقت 1 دیتا ہے جب دونوں inputs 1 ہوں؟

  1. AND
  2. OR
  3. XOR
  4. NOT
Answer / جواب

AND

Half-adder کی carry output بنانے والا gate کون سا ہے؟

  1. AND
  2. XOR
  3. NOT
  4. OR
Answer / جواب

AND

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