week 7 javascript

In javascript, everything between ___ and ___ is a comment and ignored by the browser.

/* */

In javascript, the rest of the line after _____ is a comment and ignored by the browser.

//

Which of the following is not a suitable assignment statement?) wages = hours * rate 2) length * width = area 3) class = "College Algebra" 4) score = 92.8

2

Which of the following is a valid JavaScript variable name?0123 2) 37AB 3) BR549 4) Tax Rate

3

The assignment statement which assigns a value to a variable must contain the __________ symbol:

=

true or false. Using a search engine to perform a web search is an algorithm.

False

Algorithms should:

always achieve the intended result

This javascript statement accomplishes what two things? var tax_rate = 0.06;

declares tax_rate and sets its value to 0.06

true or false? A JavaScript variable cannot be initialized in the same statement in which it is declared.

false

true or false? The statement terminator in JavaScript is the colon (:).

false

true or false? There is only one valid algorithm to solve a problem.

false

A programming language used to make web pages interactive:

javascript

The language that allows us to write programs that interact with HTML, and related technologies:

javascript

When a process involves repeating steps to achieve the desired result, this is know as:

looping

The three basic data types in javascript are:

numbers, strings, booleans

Algorithms that are written in a specific programming language:

programs

To include javascript in a web page it must be in ________ tags.

script

Different algorithms for the same problem can:

solve the same problem differently mean that one algorithm is preferred over others take different amounts of processing time

A computer algorithm must be:

specific, unambiguous, ordered

Which of the following is NOT a valid variable name in javascript?

total price (no spaces in javascript)

true or false A recipe can be an algorithm?

true

true or false? A Boolean value can be either true or false.

true

true or false? All variables in a JavaScript program must be declared.

true

true or false? In programming, names are called variables.

true

Logical names given to locations in memory:

variables