D278 Scripting & Programming EXAM QUESTIONS WITH CORRECT ANSWERS CURRENTLY TESTING
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D278 Scripting & Programming
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D278 Scripting & Programming
This text contains a series of programming exam questions along with their correct answers. The questions cover topics such as programming libraries, different programming languages, data types, operators, functions, loops, algorithms, phases of software development life cycle, and various programm...
D278 Scripting & Programming EXAM QUESTIONS WITH
CORRECT ANSWERS CURRENTLY TESTING
What does a programmer do first to use an existing programming library? - ANSWER-Include the library
What relationship is common among a programming library's functions? - ANSWER-Functions all relate
to the same purpose.
What is an advantage of using a programming library? - ANSWER-The code has already been tested.
Which language is dynamically typed? - ANSWER-Python
Which language is not built on object-oriented design principles? - ANSWER-C
A language substantially supports a programmer creating items like person, teacher, and students. Each
item has internal data and some operations.
Which characteristic describes that language? - ANSWER-Object-oriented
A programmer wants a compiler to report an error if an integer variable is assigned with a string.
Which kind of language should the programmer use? - 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? - ANSWER-Markup
What is a characteristic of a compiled language? - ANSWER-Converts to machine language before
running
What is a characteristic of an interpreted language? - ANSWER-Runs easily on different kinds of
machines
What is an advantage of interpreted programs? - ANSWER-They can be modified at run time.
Which characteristic specifically describes a markup language? - ANSWER-Tags surround text to describe
desired formatting.
Which characteristic specifically describes interpreted languages? - ANSWER-They can be run one
statement at a time.
Which characteristic specifically describes interpreted languages? - ANSWER-They can run on any
machine having the right interpreter.
A car drove 200 miles using 10 gallons of fuel.Which operation should be used to compute the miles per
gallon, which is 20? - ANSWER-Division
Which operator should be used to determine if a number is evenly divisible by 5? - ANSWER-%
A variable should hold a person's height in meters.Which data type should the variable be? - ANSWER-
Float
A variable should hold the names of all past U.S. presidents.
Which data type should the variable be? - ANSWER-String array
, A program uses the number of seconds in a minute in various calculations.
How should the item that holds the number of seconds in a minute be declared? - ANSWER-Constant
integer secondsPerMinute
A program determines if a user's age is high enough to run for U.S. president. The minimum age
requirement is 35.
How should the item that holds the minimum age be declared? - ANSWER-Constant integer minAge
Given integer x = 3 and integer y = 5.
What is the value of the expression (x / 2.0) + y? - ANSWER-6.5
Given float x = 10.2 and float y = 1.0.
What is the value of the expression x / y? - ANSWER-10.2
What kind of operator is the == in the expression i == 20? - ANSWER-Equality
What is the purpose of parentheses () in a programming expression? - ANSWER-To group expressions
Given float x = 3.0.
Which expression evaluates to 2.0? - ANSWER-x / 2 + 0.5 /2 + .25
Which expression represents all the values of x, when x is the age ranging from 18 to 24 years old? -
ANSWER-(x >= 18) and (x <= 24)
Which data type is used for items that are measured in length? - ANSWER-Float
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