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WorksheetsRadio Spectrum and Broadcasting Quiz
Total questions: 20
Worksheet time: 15mins
Which organization regulates the international use of radio spectrum?
FCC
ETSI
CISPR
ITU
What is the frequency range of the radio spectrum as categorized by ITU?
3 Hz – 3 GHz
3 kHz – 420 THz
9 kHz – 400 GHz
3 kHz – 3,000 GHz
Which document in Malaysia provides information on the minimum technical requirements for frequency use?
Spectrum Plan
Conversion Plan
Marketing Plan
Standard Radio System Plan (SRSP)
Which type of frequency assignment does not require public application or fee payment?
Apparatus Assignment
Spectrum Assignment
Temporary Assignment
Class Assignment
What is the process of dividing the radio spectrum into bands for specific services?
Frequency Planning
Spectrum Assignment
Radio Licensing
Frequency Allocation
Which frequency band is mainly used for FM radio broadcasting?
MF Band
HF Band
UHF Band
VHF Band
Which of the following represents the speed of light in wavelength calculation?
3 × 10⁶ m/s
3 × 10¹⁰ m/s
3 × 10⁴ m/s
3 × 10⁸ m/s
Which frequency range is most affected by rain fade and atmospheric absorption?
LF
HF
VHF
EHF
What is the correct definition of broadcasting?
Point-to-point data transmission
Satellite communication only
Local Wi-Fi transmission
Distribution of audio and video to a wide audience
Which of the following is a digital audio broadcasting system?
PAL
SECAM
NTSC
DAB
Which European organization maintains standards for DVB?
NRSC
FCC
ITU
ETSI
Which digital TV standard is primarily used in Japan?
ATSC
DTMB
DVB-T
ISDB-T
In digital TV, uncompressed HDTV data rate can be reduced to around —
200 Mbps
50 Mbps
10 Mbps
20 Mbps
Which layer in DTV combines multiple audio, video, and data streams?
Transport Layer
Compression Layer
Channel Layer
Multiplexing Layer
Which compression standard removes spatial and temporal redundancy?
H.261
H.263
H.265
MPEG
Which frame type in MPEG coding is independent of other frames?
B-Frame
P-Frame
Predictive Frame
I-Frame
Which technique converts an 8×8 block into a one-dimensional array for encoding?
Quantization
Entropy Encoding
DCT Transform
Zig-Zag Scanning
What is the size of an MPEG-2 transport stream packet used in DVB?
128 bytes
156 bytes
200 bytes
188 bytes
Which modulation is used by DVB-S for satellite broadcasting?
QAM
OFDM
BPSK
QPSK
Which is a major advantage of digital broadcasting compared to analog?
Requires larger antennas
Prone to signal distortion
Higher transmission power
Better signal-to-noise ratio
