
Tecnologias multimédia
Authored by José Fernandes
Instructional Technology
12th Grade
Used 10+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selecione as afirmações que correspondem à caraterização da fase da quantização no processo de digitalização de um sinal analógico.
É um processo que origina uma perda irreversível de informação
É um processo que permite reter apenas um conjunto finito de valores discretos de
um sinal analógico
É um processo que codifica um determinado valor numa sequencia de bits 0 ou 1
É um processo que tenta aproximar um conjunto grande de valores discretos de um
conjunto limitado de símbolos discretos ou valores inteiros
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifica:
Sinais gerados por um teclado
Sinal analógico
Sinal digital
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifica:
Sinais que circulam numa placa-
mãe
Sinal analógico
Sinal digital
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifica:
Sinal à saída de uma placa de som
Sinal analógico
Sinal digital
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifica:
Comunicação oral entre as
pessoas
Sinal analógico
Sinal digital
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifica:
Sinal gravado num CD
Sinal analógico
Sinal digital
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Classifica:
Sinal gravado num DVD
Sinal analógico
Sinal digital
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