Mantiq so‘zining ma’nosi?

9-sinf informatika test

1. 
   Mantiq so‘zining ma’nosi?
   

1. 
   Mantiq (logika) atamasi qadimgi yunoncha λογικος – “fikrlash ilmi”
   
2. 
   Mantiq (logika) atamasi forscha fikir – “so‘z ilmi”
   
3. 
   Mantiq (logika) atamasi arabcha logika – “fikir ilmi”
   
4. 
   Mantiq (logika) atamasi o‘zbekcha mantiq – “aqil ilmi”
   

2. 
   Kundalik hayotda mantiq atamasi qo‘llanilishi
   

1. 
   “gap mantig‘i”
   
2. 
   “fikrlar mantig‘i” va “voqia mantig‘i”
   
3. 
   “xatti-harakat va narsalar mantig‘”
   
4. 
   Barchasi
   

3. 
   Mantiqiy ko‘paytirish amali ko‘rsatilgan qatorni toping
   

1. 
   A va B, A and B, A∧B, A·B, A∩B, A&B
   
2. 
   A or B, A and B, A∧B, A·B, A∩B, A&B
   
3. 
   A va B, A not B, A∧B, A·B, A∩B, A&B
   
4. 
   A va B, A yoki B, A∧B, A·B, A∩B, A&B
   

4. 
   Mantiqiy qo‘shish amali ko‘rsatilgan qatorni toping
   

1. 
   A yoki B, A end B, A ∨ B, A * B, A U B
   
2. 
   A yoki B, A or B, A ∨ B, A + B, A U B
   
3. 
   A yoki B, A not B, A ∨ B, A / B, A U B
   
4. 
   A yoki B, A or B, A ∨ B, A + B, A U B
   

5. 
   Quyidagi mantiqiy ifodaning rostlik jadvali ustunlar sonini toping? C yoki B yoki emas A va (A yoki emas A)
   

1. 
   5
   
2. 
   7
   
3. 
   8
   
4. 
   9
   

6. 
   Quyidagi mantiqiy ifodaning rostlik jadvali amallar sonini toping? ⏋(A&B=>C) ∨ (B=>C∨⏋A).
   

1. 
   5
   
2. 
   8
   
3. 
   7
   
4. 
   6
   

7. 
   Not(x>44) and not ( x – ikki xonali bir xil son emas) natija rost bo‘ladigan eng kata qiymatni toping?
   

1. 
   44
   
2. 
   55
   
3. 
   45
   
4. 
   43
   

8.