What is the correct answer regarding computer hardware? C, E, C 21. The primary memory is volatile and has a small capacity. 22. The optical disks ...
What is the correct answer regarding computer hardware?
C, E, C
21. The primary memory is volatile and has a small capacity.
22. The optical disks have a capacity of approximately 4.7GB, the pen drives have a capacity of up to 2GB, and the hard disk has a capacity of more than 80GB.
23. The optical disks have a capacity of approximately 4.7GB, the pen drives have a capacity of up to 2GB, the hard disk has a capacity of more than 80GB, and the on-board motherboard contains sound, video, modem, and network functions in separate circuits.
a. E, C, E
b. C, E, E
c. E, C, C
d. C, C, E
e. E, E, C
C, E, C
21. The primary memory is volatile and has a small capacity.
22. The optical disks have a capacity of approximately 4.7GB, the pen drives have a capacity of up to 2GB, and the hard disk has a capacity of more than 80GB.
23. The optical disks have a capacity of approximately 4.7GB, the pen drives have a capacity of up to 2GB, the hard disk has a capacity of more than 80GB, and the on-board motherboard contains sound, video, modem, and network functions in separate circuits.
a. E, C, E
b. C, E, E
c. E, C, C
d. C, C, E
e. E, E, C
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Ed 
A alternativa correta é a letra "c. E, C, C". Explicação: - A afirmação 21 está incorreta, pois a memória primária (RAM) é volátil, mas tem uma capacidade razoável, não pequena. - A afirmação 22 está correta, pois os discos ópticos (como o DVD) têm capacidade de cerca de 4,7GB, os pen drives podem ter até 2GB e os discos rígidos (HDs) têm capacidade superior a 80GB. - A afirmação 23 está correta, pois a placa-mãe (on-board) pode conter circuitos separados para som, vídeo, modem e rede. Portanto, a ordem correta das alternativas é E, C, C.
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