FOUNDATIONSACTUAL EXAM 70 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
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)