9-sinf uchun 4-chorak testi
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Computers
9th Grade
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3 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
_______ma'lumotlar bazsida saqlangan ma;umotlarni qo'shish orqali ularni takrorlash.
Birlamchi kalitlar
Ma'lumotlar takrorlanishi
Maydonlar
Oddiy faylli ma'lumotlar bazasi
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
______katta jadvalda bir tashkilot haqida yig'ilgan ma'lumotlar
Birlamchi kalitlar
Ma'lumotlar takrorlanishi
Maydonlar
oddiy faylli ma'lumotlar bazasi
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Boolean ( Ikki qiymatli operatorlar) bu-
Ma'lumot turlari
Ma'lum yozuvlarni chiqarish yoki kiritish uchun maydon nomlarini birlashtirish orqali qidiruvni osonlashtirish uchun ishlatilgan AND, OR va NOT mantiqiy operatorlar
Har bir maydonda bo'lishi mumkin bo'lgan turli ma'lumotlar
To'g'ri javob yo'q
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