Questões de Concurso Para técnico - tecnologia da informação
Foram encontradas 1.273 questões
Resolva questões gratuitamente!
Junte-se a mais de 4 milhões de concurseiros!
Ano: 2021
Banca:
IESES
Órgão:
MSGás
Prova:
IESES - 2021 - MSGás - Técnico - Tecnologia da Informação |
Q1747103
Português
Texto associado
Para responder à questão, leia o texto abaixo:
Objeto de estudo ____ mais de um século, o Titanic,
considerado um dos navios mais icônicos da história da
navegação, está de novo nos holofotes. Por meio de
um estudo publicado na Royal Meteorological Society,
Mila Zinkova, pesquisadora da Universidade da
Califórnia, afirma que uma Aurora Boreal pode ter
causado o acidente da famosa embarcação. De acordo
com a teoria, em 15 de abril de 1912, data do naufrágio,
a região do Atlântico Norte foi atingida por uma
tempestade geomagnética causada por uma Aurora
Boreal. No caso, o impacto teria sido tão intenso que
desconfigurou os aparelhos de navegação, como
bússolas e rádios comunicadores. Para profissionais da
engenharia, os fatores que resultaram no desastre são
diversos e estão relacionados a falhas técnicas e
mecânicas, não fenômenos naturais. “Eu não concordo
com essa teoria da Aurora Boreal. De fato ____ casos
de campos magnéticos, porém, em 1912, época do
acidente, ainda não existia radar, era só bússola. Não
tinha como saber do iceberg”, afirma Claudio Ruggieri,
professor do Departamento de Engenharia Naval e
Oceânica da USP.
(Brian Alan. Revista IstoÉ. “O novo enigma do Titanic”.
Adaptado. 02 de outubro de 2020. Edição nº 2647.)
De acordo com o texto, pode-se afirmar que:
Ano: 2021
Banca:
IESES
Órgão:
MSGás
Provas:
IESES - 2021 - MSGás - Técnico - Engenharia e Tecnologia
|
IESES - 2021 - MSGás - Tecnico - Contabilidade |
IESES - 2021 - MSGás - Técnico - Tecnologia da Informação |
Q1746777
Matemática Financeira
Qual é o tipo de sistema de amortização na qual o valor
das parcelas do financiamento é sempre constante?
Q1237437
Programação
Assinale a alternativa que corresponde ao mecanismo que permite a chamada de métodos de um dado objeto.
Q1236251
Inglês
Science News
New Research Advances Voice Security Technology
ScienceDaily (Mar. 11, 2010) — Most people are familiar with security technology that scans a person's handprint or eye for identification purposes. Now, thanks in part to research from North Carolina State University, we are closer to practical technology that can test someone's voice to confirm their identity.
"The big picture is speaker authentication by computer," says Dr. Robert Rodman, professor of computer science at NC State and co-author of a new paper on the subject. "The acoustic parameters of the voice are affected by the shape of the vocal tract, and different people have different vocal tracts," Rodman explains. "This new research will help improve the speed of speech authentication, without sacrificing accuracy."
Rodman explains that speech authentication could have a host of applications in this age of heightened security and mobile electronics. "Potential users of this technology include government, financial, health-care and telecommunications industries," Rodman says, "for applications ranging from preventing ID theft and fraud to data protection."
Current computer models that are used to compare acoustic profiles, effectively evaluating whether a speaker is who he says he is, may take several seconds or more to process the information, which is still too long for the technology to gain widespread acceptance. "In order for this technology to gain traction among users," Rodman says, "the response time needs to improve without increasing the error rate."
To address this problem, Rodman and his fellow researchers modified existing computer models to streamline the authentication process so that it operates more efficiently. "This is part of the evolution of speech authentication software," Rodman says, "and it moves us closer to making this technology a practical, secure tool."
The research was co-authored by NC State's Rodman; Rahim Saeidi, Tomi Kinnunen and Pasi Franti of the University of Joensuu in Finland; and Hamid Reza Sadegh Mohammadi of the Iranian Academic Center for Education, Culture & Research.
The research, "Joint Frame and Gaussian Selection for Text Independent Speaker Verification", will be presented at the International Conference on Acoustics, Speech and Signal Processing (ICASSP) in Dallas, March 14-19. The research was funded, in part, by the Centre for International Mobility.
NC State's Department of Computer Science is part of the university's College of Engineering.
http://www.sciencedaily.com/releases/2010/03/100308102202.htm
According to the text, all the following statements are true of Dr. Robert Rodman, EXCEPT
New Research Advances Voice Security Technology
ScienceDaily (Mar. 11, 2010) — Most people are familiar with security technology that scans a person's handprint or eye for identification purposes. Now, thanks in part to research from North Carolina State University, we are closer to practical technology that can test someone's voice to confirm their identity.
"The big picture is speaker authentication by computer," says Dr. Robert Rodman, professor of computer science at NC State and co-author of a new paper on the subject. "The acoustic parameters of the voice are affected by the shape of the vocal tract, and different people have different vocal tracts," Rodman explains. "This new research will help improve the speed of speech authentication, without sacrificing accuracy."
Rodman explains that speech authentication could have a host of applications in this age of heightened security and mobile electronics. "Potential users of this technology include government, financial, health-care and telecommunications industries," Rodman says, "for applications ranging from preventing ID theft and fraud to data protection."
Current computer models that are used to compare acoustic profiles, effectively evaluating whether a speaker is who he says he is, may take several seconds or more to process the information, which is still too long for the technology to gain widespread acceptance. "In order for this technology to gain traction among users," Rodman says, "the response time needs to improve without increasing the error rate."
To address this problem, Rodman and his fellow researchers modified existing computer models to streamline the authentication process so that it operates more efficiently. "This is part of the evolution of speech authentication software," Rodman says, "and it moves us closer to making this technology a practical, secure tool."
The research was co-authored by NC State's Rodman; Rahim Saeidi, Tomi Kinnunen and Pasi Franti of the University of Joensuu in Finland; and Hamid Reza Sadegh Mohammadi of the Iranian Academic Center for Education, Culture & Research.
The research, "Joint Frame and Gaussian Selection for Text Independent Speaker Verification", will be presented at the International Conference on Acoustics, Speech and Signal Processing (ICASSP) in Dallas, March 14-19. The research was funded, in part, by the Centre for International Mobility.
NC State's Department of Computer Science is part of the university's College of Engineering.
http://www.sciencedaily.com/releases/2010/03/100308102202.htm
According to the text, all the following statements are true of Dr. Robert Rodman, EXCEPT
Q1235554
Redes de Computadores
A respeito da topologia de uma rede de computadores, cujos parâmetros determinam o grau de abrangência, eficiência e desempenho proporcionado aos usuários,julgue o item que se seguem.
Uma rede MAN não se comunica com uma rede LAN, visto que utilizam endereços de classes diferentes.
Uma rede MAN não se comunica com uma rede LAN, visto que utilizam endereços de classes diferentes.
Conheça nossos planos