Preguntas sobre Algoritmos y JavaScript

Quiz
•
Computers
•
University
•
Medium
JESUS DAVID VILLALBA
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es un algoritmo?
Una secuencia de pasos ordenados para resolver un problema
Un tipo de variable
Una función específica en JavaScript
Un operador lógico
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué operador se usa para la concatenación de cadenas en JavaScript?
+
&
++
concat()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes es un tipo de variable en JavaScript?
let
int
chat
real
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método de JavaScript se utiliza para convertir una cadena a mayúsculas?
toUpperCase()
toUpper()
upperCase()
convertToUpper()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de console.log('Hola'.length);
4
3
'Hola'.length
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes opciones NO es un operador en JavaScript?
typeofarray
+
!=
&&
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es una variable en programación?
Un espacio de almacenamiento en la memoria para guardar datos
Una función que retorna un valor
Una estructura de control
Una expresión lógica
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