
Reguler Pre-Test Praktikum Sistem Telekomunikasi
Quiz
•
Information Technology (IT)
•
University
•
Medium
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50 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Jelaskan apa itu Noise?
a. Adalah sebuah sinyal yang memberikan gangguan terhadap sinyal asli
b. Adalah sebuah gangguan sinyal yang disebabkan oleh bencana alam
c. Adalah sebuah keramaian yang mengganggu manusia
d. Adalah sebuah gangguan yang disebabkan oleh gelombang pasang
2.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
The power of a signal is 10 mW and the power of the noise is 1 μW; what are the values of SNR dB ?
3.
FILL IN THE BLANK QUESTION
20 sec • 2 pts
Consider a noiseless channel with a bandwidth of 700 Hz transmitting a signal with two signal levels. The maximum bit rate can be calculated as (in bps)
4.
OPEN ENDED QUESTION
1 min • 2 pts
Jelaskan secara lengkap dan menyeluruh perkembangan teknologi komunikasi nirkabel di indonesia
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5.
OPEN ENDED QUESTION
1 min • 2 pts
Apa itu transmitter? Jelaskan secara lengkap apa yang kamu tahu tentang transmitter? Sertakan contoh penggunaannya minimal 5 dalam kehidupan sehari-hari
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6.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Seperti apa rasio SNR yang ideal bagi sistem telekomunikasi ?
a. Bernilai 0, karena dengan nilai rasio 0 berarti tidak ada pemantulan antara transmitter dan sistem
b. Bernilai tak hingga, dikarenakan rasio antara gelombang yang di transmit hanya dipengaruhi nilai gelombang noise yang hampir nol
c. Bernilai minus tak hingga, dikarenakan rasio antara gelombang yang di transmit hanya dipengaruhi nilai gelombang noise yang hampir nol
d. Tidak ada nilai yang ideal dalam SNR ratio, karena nilai dari amplitudo yang dikirim berubah-ubah
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
We need to send 265 kbps over a noiseless channel with a bandwidth of 20 kHz. What is the minimum number of signal levels do we need?
a. 121 levels
b. 38.5 levels
c. 98.7 levels
d. 76.2 levels
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