FCC & Reading Week 1

Question 1

algorithm

Answer 1

series of elementary steps

Question 2

source code

Answer 2

commands to make computer to take actions

Question 3

programming language

Answer 3

way to give orders to a computer

Question 4

assembly language

Answer 4

primitive human-readable representation of machine language

Question 5

ECMAScript

Answer 5

ES2015 or ES6

Question 6

console.log()

Answer 6

function to write a message to the console

Question 7

value types

Answer 7

number strings

Question 8

string concatenation

Answer 8

+

Question 9

execution

Answer 9

asking the computer to process orders

Question 10

interpreted language

Answer 10

from source code to machine language one line at a time

Question 11

compiled language

Answer 11

taking the whole program to machine language all at once through a compiler program

Question 12

algorithm

Answer 12

an ordered sequence of operations solving a given problem

Question 13

browser

Answer 13

software to visit and use a web application

Question 14

Node.js

Answer 14

a framework that allows JavaScript outside the browser

Question 15

MongoDB

Answer 15

database program written in JavaScript using JSON documents

Question 16

String

Answer 16

data encased in ‘ ‘ or “ “

Question 17

Handle special characters in a string

Answer 17

\

Question 18

Statement

Answer 18

each instruction in a program

Question 19

JavaScript statement usually ends in

Answer 19

;

Question 20

Comment a single line of code

Answer 20

//

Question 21

Comment multiple lines of code

Answer 21

/* . */

Question 22

keyword to define a variable

Answer 22

var

Question 23

assignment operator in JavaScripts

Answer 23

=

Question 24

Equals operator in JavaScript

Answer 24

==

Question 25

seven major math operators in JavaScript

Answer 25

+ - * / % ++ –

Question 26

use camelCase to name a variable

Answer 26

var myCamelCase

Question 27

create uninitialized variable

Answer 27

var myVariable;

Question 28

declare and initialize a variable

Answer 28

var myVariable = 5.2;

Question 29

add two numbers in JS

Answer 29

var myAdd = 5 + 6;

Question 30

multiply two numbers in JS

Answer 30

var myMult = 10 * 3;

Question 31

find the remainder of a number

Answer 31

var myRemain = 12%5;

Question 32

increment a number in JS

Answer 32

var i = 0;
i++;

Question 33

decrement a number in JS

Answer 33

var i = 0;
i--;

Question 34

value of uninitialized JS variable

Answer 34

“undefined”

Question 35

JavaScript is case sensitive

Answer 35

true

Question 36

addition of compound assignment

Answer 36

myVar+=5;

Question 37

subtraction of compound assignment

Answer 37

myVar-=5;

Question 38

compound assignment multiplication

Answer 38

myVar*=5;

Question 39

compound assignment of division

Answer 39

myVar/=5;