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A compilation of questions and verified answers related to scripting and programming foundations. It covers topics such as programming libraries, interpreted languages, markup languages, data types, operators, control structures, and object-oriented programming. This resource is designed to help students prepare for exams or quizzes in introductory programming courses, providing clear and concise answers to common questions. It is useful for understanding fundamental concepts and testing knowledge in scripting and programming.
Typology: Exams
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What does a programmer do first to use an existing programming library? - CORRECT-ANSWER- Include the library
What is a characteristic of an interpreted language? - CORRECT- ANSWER- Runs easily on different kinds of machines
What is an advantage of interpreted programs? - CORRECT-ANSWER- They can be modified at run time.
Which characteristic specifically describes a markup language? - CORRECT-ANSWER- Tags surround text to describe desired formatting.
Which characteristic specifically describes interpreted languages? - CORRECT-ANSWER- They can be run one statement at a time.
A car drove 200 miles using 10 gallons of fuel.
Which operation should be used to compute the miles per gallon, which is 20? - CORRECT-ANSWER- Division
Which operator should be used to determine if a number is evenly divisible by 5? - CORRECT-ANSWER- %
A variable should hold a person's height in meters.
Which data type should the variable be? - CORRECT-ANSWER- Float
Given integer x = 3 and integer y = 5.
What is the value of the expression (x / 2.0) + y? - CORRECT-ANSWER-
Given float x = 10.2 and float y = 1.0.
What is the value of the expression x / y? - CORRECT-ANSWER- 10.
What kind of operator is the == in the expression i == 20? - CORRECT- ANSWER- Equality
What is the purpose of parentheses () in a programming expression? - CORRECT-ANSWER- To group expressions
Given float x = 3.0.
Which expression evaluates to 2.0? - CORRECT-ANSWER- x / 2 + 0.5 /2 + .
Which expression represents all the values of x, when x is the age ranging from 18 to 24 years old? - CORRECT-ANSWER- (x >= 18) and (x <= 24)
Which data type is used for items that are measured in length? - CORRECT-ANSWER- Float
Which data type should be used to keep track of how many planes are in a hangar? - CORRECT-ANSWER- Integer
What relationship is common among a programming library's functions? - CORRECT-ANSWER- Functions all relate to the same purpose.
Which kind of language should the programmer use? - CORRECT- ANSWER- Statically typed
A language uses tags around text to indicate how that text should be formatted.
Which characteristic describes a language having such tags? - CORRECT- ANSWER- Markup
What is a characteristic of a compiled language? - CORRECT-ANSWER- Converts to machine language before running
A function should convert hours and minutes to seconds, such as converting 1 hour and 10 minutes to 4,200 seconds.
What should be the input to the function? - CORRECT-ANSWER- Hours and minutes
A function returns a number x cubed. For example, if x is 3, the function returns 3 * 3 * 3, or 27.
What should be the input to the function? - CORRECT-ANSWER- x
A function calculates the weight difference (Diff) given two sample weights (S1 and S2).
What should be the output from the function? - CORRECT-ANSWER- Diff
function P(integer x) returns integer yy = 2 * x
What does P(5) evaluate to? - CORRECT-ANSWER- 10
Function F()Put "Hey" to outputWhat entire output appears after three successive calls to F()? - CORRECT-ANSWER- HeyHeyHey
Joe is building an online game. He wants to provide a riddle and have the player guess the answer. The game needs to prompt the user to enter the answer, check to see if it the input provided does not match the correct answer, and continue prompting the user until the answer entered matches the correct answer.
Which control structure supports Joe's needs? - CORRECT-ANSWER- Do- while loop
What is put to output by the following pseudocode?
x = 3
do
Put x to output
Put " " to output
x = x - 1
while x > 0 - CORRECT-ANSWER- 3 2 1
