
Programacao estruturada quiz
Quiz
•
Computers
•
1st Grade
•
Practice Problem
•
Hard
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Used 2+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual palavra-chave é usada para declarar uma variável em JavaScript?
Answer explanation
Usamos 'var', 'let' ou 'const' para declarar variáveis.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se escreve um comentário de linha única em JavaScript?
Answer explanation
Comentários de linha única usam //.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual função exibe uma mensagem na tela?
Answer explanation
alert() exibe uma caixa de diálogo com texto.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual símbolo é usado para comparar igualdade estrita?
Answer explanation
=== compara valor e tipo.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual método remove o último elemento de um array?
Answer explanation
pop() remove o último elemento do array.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual comando pausa a execução até que uma condição seja falsa?
Answer explanation
O while executa enquanto a condição for verdadeira.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como converter um texto para número?
Answer explanation
A função Number() converte strings em números.
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