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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
...


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
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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
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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
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Which characteristic specifically describes interpreted languages? - ANSWER-They can be run one
statement at a time
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A car drove 200 miles using 10 gallons of fuel
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Which data type should the variable be? - ANSWERFloat

A variable should hold the names of all past U
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presidents
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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
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president
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How should the item that holds the minimum age be declared? - ANSWER-Constant integer minAge

Given integer x = 3 and integer y = 5
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0) + y? - ANSWER-6
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2 and float y = 1
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What is the value of the expression x / y? - ANSWER-10
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0
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0? - ANSWER-x / 2 + 0
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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

Which data type should be used to keep track of how many planes are in a hangar? - ANSWER-Integer

A function should convert hours and minutes to seconds, such as converting 1 hour and 10 minutes to
4,200 seconds
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For example, if x is 3, the function returns 3 * 3 * 3, or 27
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What should be the output from the function? - ANSWER-Diff

function P(integer x) returns integer yy = 2 * x

What does P(5) evaluate to? - ANSWER-10

Function F()Put "Hey" to output

What entire output appears after three successive calls to F()? - ANSWER-HeyHeyHey

What is a valid user-defined function name? - ANSWER-Any valid identifier

A function MyFct has an input x and an output z
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Which control structure should be used? - ANSWER-While loop

Joe is building an online game
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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
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What is the loop expression in the following pseudocode?

i=0
while i < 20
Put i to output
i = i + 1 - ANSWER-i < 20

What is the loop variable initialization in the following pseudocode?
y=0
s = 100
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0)
y = y + 1 - ANSWER-y = 0

Order the statements needed to output the minimum of x and y from first (1) to last (4)
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- ANSWER-Declare variables distMiles and speedMph

distMiles = endLocation - startLocation

speedMph = distMiles / timeHours

Put speedMph to output

Order the tasks needed to create a pyramid (large on bottom, small on top) on a table from first (1) to
last (4)
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Place largest shape
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Place smallest shape
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When should a programmer develop an algorithm to solve a problem? - ANSWER-Before writing a
program to solve the problem

Which text represents an algorithm? - ANSWER-Insert key, turn key, open door
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An algorithm should output "OK" if a list's numbers are all non-zero, else the output is "Not OK
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Ensure output is "Not OK
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Which phase of a waterfall approach is the person carrying out? - ANSWER-Testing

A programmer decides a program should convert U
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units to metric units and decides to write the
program in C++ using several functions
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The company leadership determines that the system should support direct data entry as
well as automated data capture of phone calls and emails
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The customer provides feedback, which
causes the programmer to change the goals of the program
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Based on feedback, the programmer
begins writing a second version of the program
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Based on feedback, the programmer
creates a second version, and then has a colleague run the second version on numerous inputs to
ensure outputs are correct
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Each version has additional
features to satisfy more customers
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- ANSWER-for Loop

First step in the waterfall approach
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- ANSWER-Analyst to Design

The progress of writing, compiling, and testing a small amount of code, then writing, compiling, and
testing a small amount more (an incremental amount), and so on
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- ANSWER-parameter

A number with a fractional part, even if that fraction is 0
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Defines specifics of a program
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- ANSWER-String Literal

A program performs computations on that data, such as adding two values like x + y
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- ANSWER-Universal Modeling Language

A graphical language for creating computer programs
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ANSWER-Agile or spiral approach

A function may return one value and does so by assigning a return variable with the return value
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- ANSWER-object-oriented language

Each element's location number of an array
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- ANSWERwhile loop

Any function input values that appear within ( ), and are separated by commas if more than one
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- ANSWER-Moore's Law

Can be a number, a variable name (numApples), or a simple calculation like (numApples + 1)

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