Business 104 Quiz 1
message = ("Hello," + "Dolly"); What is the value of message? (Include the quotation marks.)
"Hello,Dolly"
Type the illegal character in this statement var P2_a%88$;
%
Type the modulus operator
%
Enter the operators, in this order, for addition, subtraction, multiplication, and division. Don't type spaces between them.
+-*/
What is the value of orderTotal? var merchTotal = 100; var shippingCharge = 10; var orderTotal = merchTotal + shippingCharge;
110
What is the value of num? var num = 20 % 6;
2
alert("33" + 3); What message displays in the alert box?
333
var x = 50; var y = --x; What is the value of y?
49
var x = 50; var y = x++; What is the value of y?
50
Write a statement that displays an alert. The message is a string concatenated with a variable.
alert("Hi, " + userName);
Write an alert that displays the concatenation of the two parts of "Woo hoo"
alert("Woo " + "hoo");
Code an alert that displays the result of a math operation on 2 numbers.
alert(2*2);
Code an alert that displays the result of any mathematical operation on 2 variables. Make up the variable names.
alert(profit - cost);
This statement has already been coded. var bestMan = "Charlie"; Assign the variable a new string value.
bestMan = "Ralph";
The variable boogieWoogie has already been declared. Assign to it the value of another variable, woogieBoogie
boogieWoogie = woogieBoogie;
Assign to the variable caseQty, which has already been declared, the value 144
caseQty = 144;
What is it called when you combine two or more strings, using the plus sign?
concatenation
This statement... userName = "buddy5000" ; ...is correct only if the variable has already been _________.
declared
Assign to a variable the remainder when the value represented by a variable is divided by a number. The first variable has been declared beforehand. Make up the variable names.
leftOver = num % 3;
What kind of operation can be done on a number variable that, in one particular case, can't be done on a string variable?
math
What is the name of the arithmetic operator that gives you the remainder when one number is divided by another? (one word)
modulus
Increment a variable. In a second statement, display its new value in an alert
num++; alert(num);
You can assign a string to a variable. You can also assign a _________.
number
Write a statement that assigns to a variable the concatenation of a string with a number. The variable has been declared beforehand.
pro = "haha" + 11;
Assign to a variable the value represented by one variable subtracted from the value represented by another variable. The first variable has been declared beforehand. Make up all the variable names.
profit = price - cost;
If a number is enclosed in quotes, it's a
string
In one word, if it is enclosed in quotation marks, what is it?
string
What is a keyword that declares a variable?
var
Declare a variable using nothing but all of the legal characters that aren't alphabet characters or numbers. Don't repeat any of them.
var _$;
In a single statement, declare a legally-named variable and assign a number to it.
var _1 = 7;
Declare a variable whose name is the combination of 3 characters, in this order: a legal first character that is not a letter, a character that would be illegal as a first character, and a character that would be legal anywhere in the name.
var _1h;
Declare a variable that combines a number, an alphabet letter, and one of the legal characters that are neither an alphabet letter nor a number. Assign to the variable a string consisting of another legal character that is neither an alphabet letter nor a number. Display the variable's value in an alert, specifying the variable, not the value, as the message.
var _1h; _1h = "$"; alert(_1h);
Declare a variable whose name is your first and last names combined, in camelCase. Assign the variable your first and last names, as a string. Code an alert, specifying the variable, not the string, as the message.
var adrianaWilcoxon; adrianaWilcoxon = "Adriana Wilcoxon"; alert(adrianaWilcoxon);
Declare a variable, in camelCase, that combines the two syllables boo and hoo.
var booHoo;
Write a statement that concatenates two variables and assigns the result to a third variable. The third variable hasn't been declared beforehand.
var combo = firstPart + secondPart;
Write a statement that assigns to a variable the concatenation of the two parts of "Oh yeah" (no period at the end). The second part is "yeah" The variable hasn't been declared beforehand.
var expression = "Oh " + "yeah";
Assign numbers to 2 new variables. Code an alert that displays the result of a math operation on the variables.
var first = 7; var second = 9; alert(first * second);
In a single statement, declare the variable firstLegalChar and assign it a string. The string consists entirely of the first character on the keyboard in the top row that's legal in a variable name, as long as the character doesn't come first.
var firstLegalChar = "1";
In the first statement declare a variable and assign it a number. In the second statement, change the value of the variable by adding it together with a number.
var friends = 30; friends = friends + 10;
In a single statement, declare the variable largeNum and assign it the result of 1,000 multiplied by 2,000.
var largeNum = 1000 * 2000;
Assign to a variable the remainder when one number is divided by another. The variable hasn't been declared beforehand. Make up the variable name.
var leftOver = 10 % 3;
Rewrite this using camelCase var Nameofband;
var nameOfBand;
In a single statement, increment the variable num and assign its new value to a second variable, newNum, which hasn't been declared beforehand.
var newNum = ++num;
In a single statement subtract 1 from a variable and assign the new value to another variable, which hasn't been declared beforehand.
var newNum = --num;
In a single statement add 1 to a variable and assign its original value to another variable, which hasn't been declared beforehand.
var newNum = num++;
In a single statement, decrement num and assign its original value to newNum, which hasn't been declared beforehand.
var newNum = num--;
Declare a variable and assign it a string. Then code an alert, specifying the variable, not the string, as the message.
var nickName = "Ana"; alert(nickName);
Declare a variable and assign it a string that's nothing but the name of the variable. Then code an alert, specifying the variable, not the string, as the messgae.
var nickName = "nickName"; alert(nickName);
Declare an undefined variable in a statement. In a second statement assign it a string.
var nickName; nickName = "Adriana";
Assign a string to a variable that has already been declared
var nickname = "Adriana";
In a single statement, declare the variable nickname and assign the string "Satchmo" to it.
var nickname = "Satchmo";
Assign a number value to a variable. Increment the variable using minimal code while assigning its incremented value to a second variable. Display the value of the second variable in an alert.
var num = 10; var newNum = ++num; alert(newNum);
Declare a variable and assign it a number. Then code an alert, specifying the variable, not the number, as the message.
var num = 7; alert(num);
Declare a variable and assign it a number. Double the variable's value by adding the variable to itself. Display the variable's value in an alert, specifying the variable, not the number, as the message.
var num = 7; num = num + num; alert(num);
Assign a number value to a variable. Increment the variable using minimal code. Display the new value in an alert.
var num = 7; num++; alert(num);
Assign to the variable num the result of dividing 9 by the value represented by the variable qty. The variable num hasn't been declared beforehand.
var num = 9 / qty;
Rewrite this statement so the variable can be used in a math operation var num = "9";
var num = 9;
Assign to a variable the result of adding a number to itself, for example 2 + 2. The variable hasn't been declared beforehand. Make up the variable name.
var number = 2 + 2;
Assign the sum of 2 numbers to a variable, which hasn't been declared beforehand
var number = 2 + 7;
In a single statement declare a variable and assign a number to it.
var number = 4;
Declare the variable numberAsString and assign the number 3 to it as a string.
var numberAsString = "3";
Write a statement that assigns to scribe the concatenation of the first and last names of England's greatest playwright. The variable hasn't been declared beforehand.
var scribe = "William" + "Shakespeare";
In one statement declare a variable. In a second statement assign it the sum of 2 numbers.
var sum; sum = 2 + 7;
Declare the variable teamName
var teamName;
In a single statement declare a legally- named variable and assign to it the sum of 2 other legally-named variables
var total = cost + profit;
In a single statement declare a variable and assign to it the sum of 2 other variables.
var total = cost + profit;
What is a thing you create that refers to a value?
variable
What is the long version of x++?
x = x + 1;
Code the short form of x = x + 1;
x++;
If x has a value of 100, what is the fastest way to reduce it to 99 with a math expression?
x--;
Using minimal code, decrement x
x--;