ATLS Benchmark Exam questions with
correct answers
What is a variable? - verified answers; We are telling the computer to create a little space in
memory and give it a name because we want to store something there (containers for storing
data)
Boolean variable - verified answers; A variable having only two possible values, such as
HIGH/LOW, 1/0, On/Off, or True/False.
system variables - verified answers; Variables that can be manipulated to increase (or
decrease) eyewitness accuracy (Variables that are already in the p5.js)
Rules to naming variables - verified answers; The first character must be a letter or an
underscore
You can't use a number as the first character
The rest of the variable name can include any letter, any number or the underscore
You can't use any other characters including spaces, symbols, and punctuation marks
variable names are case sensitive
no length limit to the variable name
, you can't use one of Javascript's reserved words as a variable name
Code Block - verified answers; Code that is contained within an opening and closing curly
brace
JavaScript Objects - verified answers; A way to organize variables, it is like creating a master
variable that holds lots of internal variables
Binary - verified answers; Two states, true or false, on or off, 1 or r0
Relational operators - verified answers; Equal to ==
Not equal to !=
Greater than >
Greater than <
Greater than or equal to >=
Greater than or equal to <=
Logical operators - verified answers; And &&
Or ||
Not !=
correct answers
What is a variable? - verified answers; We are telling the computer to create a little space in
memory and give it a name because we want to store something there (containers for storing
data)
Boolean variable - verified answers; A variable having only two possible values, such as
HIGH/LOW, 1/0, On/Off, or True/False.
system variables - verified answers; Variables that can be manipulated to increase (or
decrease) eyewitness accuracy (Variables that are already in the p5.js)
Rules to naming variables - verified answers; The first character must be a letter or an
underscore
You can't use a number as the first character
The rest of the variable name can include any letter, any number or the underscore
You can't use any other characters including spaces, symbols, and punctuation marks
variable names are case sensitive
no length limit to the variable name
, you can't use one of Javascript's reserved words as a variable name
Code Block - verified answers; Code that is contained within an opening and closing curly
brace
JavaScript Objects - verified answers; A way to organize variables, it is like creating a master
variable that holds lots of internal variables
Binary - verified answers; Two states, true or false, on or off, 1 or r0
Relational operators - verified answers; Equal to ==
Not equal to !=
Greater than >
Greater than <
Greater than or equal to >=
Greater than or equal to <=
Logical operators - verified answers; And &&
Or ||
Not !=
