
Signal va Axborot Texnologiyalari
Authored by Muxriddin Omonboyev
Information Technology (IT)
9th - 12th Grade

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18 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Kvantlash jarayonida nima amalga oshirish?
Signal amplitudasini oshirish diskret narxlariga mos
Signalni siqish
Signal chastotasini javob berish
Signalni teskari kodlash
2.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
FFT algoritmining nima uchun?
Analog signalni raqamli shaklga o'tkazish
Signalning chastota spektrini yuklash
Signalni deklash
Axborot sifatini ta'minlash
3.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Raqamli axborot hajmini o'lchash uchun birliklar qaysilar?
Gerts va volt
Bit va bayt
Amplituda va chastota
Sekund va kilogramm
4.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Axborotni shifrlashda AES algoritmining roli qanday?
Tasvir siqish
Axborot xavfsizligini ta'minlash
Signal amplitudasini o'
utilishlarni Ma'lumotlarni mod
5.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Analog va raqamli signalning asosiy farqi nimada?
uzluksiz, raqamli signal esa diskret qiymatlarda ifodalanadi
Analog signal faqat o'tgan chastotalarda
Raqamli signal amplitudasini o' saqlanishi mumkin emas
Analog signal faqat diskret vaqt oralig'ida mavjud bo'ladi
6.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Diskretlashtirish jarayonida qaysi ikki asosiy bosqich amalga oshirish?
Kvantlash va modulyatsiya qilish
Sampling va kvantlash
Signalni siqish va dekodlash
Signalni chastotalash va tahlil qilish
7.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Signalni siqishning asosiy maqsadi nima?
Axborotni nazorat qilish
Axborot hajmini yuklash
Signal amplitudasini tuzatish
Axborotni uzluksiz saqlash
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