ASK 2.2 : UKURAN DATA (AUDIO)
Quiz
•
Computers
•
6th Grade
•
Practice Problem
•
Easy
Oddsey Emith
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Apakah unit ukuran yang biasa digunakan untuk menyatakan saiz fail audio digital?
Hertz (Hz)
Decibel (dB)
Byte (B)
Pixel (px)
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah faktor utama yang menentukan saiz fail audio digital?
Kadar sampel, kedalaman bit, bilangan saluran, dan durasi audio
Resolusi, kadar bingkai, dan warna
Bilangan pixel dan warna
Jenis mikrofon yang digunakan
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah maksud kadar sampel dalam audio digital?
Bilangan bit dalam satu sampel
Bilangan sampel audio yang diambil setiap saat
Bilangan saluran audio
Saiz fail audio
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jika kadar sampel audio ialah 44,100 Hz dan kedalaman bit ialah 16 bit untuk audio stereo, berapakah bit rate (kadar bit) audio tersebut?
44,100 bps
705,600 bps
1,411,200 bps
88,200 bps
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah kaitan antara kadar sampel dengan kualiti audio digital?
Semakin tinggi kadar sampel, semakin rendah kualiti audio
Semakin tinggi kadar sampel, semakin tinggi kualiti audio
Kadar sampel tidak mempengaruhi kualiti audio
Kadar sampel hanya mempengaruhi saiz fail, bukan kualiti
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Format fail audio manakah yang biasanya mempunyai saiz fail paling kecil?
WAV
MP3
MIDI
FLAC
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah yang dimaksudkan dengan kedalaman bit (bit depth) dalam audio digital?
Bilangan bit yang digunakan untuk menyimpan setiap sampel audio
Bilangan saluran audio
Bilangan fail audio yang disimpan
Bilangan minit audio
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