Exam 2 Comp Logic

what would display if following statements are coded and executed? Declare Integer scores[3]= 76, 94, 83 Declare String names[3] = "Joe", "Amy", "Pat" Display names[1] Display "Your test score is: " Display scores[2]

Amy Your test score is:83

Checking that input data is reasonable is programmatically impossible.

False

Given an integer variable, number. The only possible values for number that could result from the following statement are 1 and 2.

False

If a user is asked to enter the number of widgets he or she wants to buy and enters "two", the program will automatically change the entry to an integer.

False

If an array, names, consists of a list of usernames, then names[1] holds the value of the first username in the list.

False

In a For loop the programmer must know the exact number of iterations the loop must perform before writing the code.

False

The OR operator will evaluate to True only if both subexpressions are also True

False

The following pseudocode is for a loop that will perform three iterations. For start = 6 To 2 Step -3 Do something

False

The term parallel array is a synonym for a two-dimensional array.

False

string variable, name has the value "Anne Marie", then the following statement would return 9: Set number = length(name)

False

An If-Then-Else statement must be used to write a single alternative decision structure.

Flase

In many languages the == operator determines whether one variable has the same value as another variable

True

Many programming languages let you assign an integer value to a real variable without causing an error.

True

The Do-While loop is a posttest loop.

True

The following pseudocode would display Hello, friend.

True

The function body follows the function header in a function definition.

True

What do computer programmers say about the fact that computers can't tell the difference between good and bad data?

garbage in, garbage out

Two-dimensional arrays can be thought of as containing __________.

rows and columns

A nested decision structure can be used to test more than one condition

True

If a user is asked to enter the number of widgets he or she wants to buy, the isInteger function can be used to validate this input.

True

of the following statements is true about this array declaration? Declare Integer numbers[5] = 123,456,789,321,654

This is an array declaration and initialization.

Which type of loop uses a Boolean expression to control the number of times a loop repeats?

condition-controlled

The following is an example of a(n) __________ loop. While x < 10 Set sum = sum + x Set x = x + 1

count-controlled

Which function could be used to validate an entry for a user's chosen name that must be between 4 and 12 characters?

length