D278 scripting and programming PA
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 seconds Per Minute
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? - answerconstant integer minAge
Given integer x = 3 and integer y = 5. What is the value of the expression (x / 2.0) + y? -
answer6.5
Given float x = 10.2 and float y = 1.0. What is the value of the expression x / y? -
answer10.2
What kind of operator is the == in the expression i == 20? - answerequality
What is the purpose of parentheses () in a programming expression? - answerto group
expressions
Given float x = 3.0. Which expression evaluates to 2.0? - answerx / 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? - answerfloat
Which data type should be used to keep track of how many planes are in a hangar? -
answerinteger
, What does a programmer do first to use an existing programming library? -
answerinclude the library
What relationship is common among a programming library's functions? -
answerfunctions all relate to the same purpose
What is an advantage of using a programming library? - answerthe code has already
been tested
Which language is dynamically typed? - answerPython
Which language is not built on object-oriented design principles? - answerC
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? - answerobject-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? - answerstatically typed
A language uses tags around text to indicate how that text should be formatted. Which
characteristic describes a language having such tags? - answermarkup
What is a characteristic of a compiled language? - answerconverts to machine language
before running
What is a characteristic of an interpreted language? - answerruns easily in different
kinds of machines
What is an advantage of interpreted programs? - answerthey can be modified at run
time
Which characteristic specifically describes a markup language? - answertags surround
text to describe desired formatting
Which characteristic specifically describes interpreted languages? - answerthey can be
run one statement at a time
Which characteristic specifically describes interpreted languages? - answerthey can run
on any machine having the right interpreter
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? - answerhours
and minutes
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 seconds Per Minute
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? - answerconstant integer minAge
Given integer x = 3 and integer y = 5. What is the value of the expression (x / 2.0) + y? -
answer6.5
Given float x = 10.2 and float y = 1.0. What is the value of the expression x / y? -
answer10.2
What kind of operator is the == in the expression i == 20? - answerequality
What is the purpose of parentheses () in a programming expression? - answerto group
expressions
Given float x = 3.0. Which expression evaluates to 2.0? - answerx / 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? - answerfloat
Which data type should be used to keep track of how many planes are in a hangar? -
answerinteger
, What does a programmer do first to use an existing programming library? -
answerinclude the library
What relationship is common among a programming library's functions? -
answerfunctions all relate to the same purpose
What is an advantage of using a programming library? - answerthe code has already
been tested
Which language is dynamically typed? - answerPython
Which language is not built on object-oriented design principles? - answerC
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? - answerobject-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? - answerstatically typed
A language uses tags around text to indicate how that text should be formatted. Which
characteristic describes a language having such tags? - answermarkup
What is a characteristic of a compiled language? - answerconverts to machine language
before running
What is a characteristic of an interpreted language? - answerruns easily in different
kinds of machines
What is an advantage of interpreted programs? - answerthey can be modified at run
time
Which characteristic specifically describes a markup language? - answertags surround
text to describe desired formatting
Which characteristic specifically describes interpreted languages? - answerthey can be
run one statement at a time
Which characteristic specifically describes interpreted languages? - answerthey can run
on any machine having the right interpreter
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? - answerhours
and minutes