What is the most common database query language? Question 1 answers SQL MML C++ Java Question 2 text Question 2 1 points …

What is the most common database query language?
Question 1 answers
SQL
MML
C++
Java

Question 2 text Question 2 1 points Save
The ability to pass values to modules makes programming much more ____, because independently created modules can exchange information efficiently.
Question 2 answers
flexible
reliable
unique
interesting

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Question 3 text Question 3 1 points Save
When a file holds records sorted in the order in which they were entered, the file is in ____ order.
Question 3 answers
temporal
alphabetical
data-entry
x

Question 4 text Question 4 1 points Save
You need to understand a subroutine’s ____ in order to use it.
Question 4 answers
internal structure
local variables
programming style
interface

Question 5 text Question 5 1 points Save
What happens during a merging program when both input files contain the same value?
Question 5 answers
an error occurs
the program exits
two identical records will appear in the merged file
only one record will appear in the merged file

Question 6 text Question 6 1 points Save
How would you determine if a field is blank?
Question 6 answers
see if the value = null
see if the value = BLANK
see if there is no value specified
there is no way to tell a blank record

Question 7 text Question 7 1 points Save
The questions that cause the database software to extract the appropriate records from a table and specify the fields to be viewed are called ____.
Question 7 answers
reports
queries
keys
indexes

Question 8 text Question 8 1 points Save
Merging files involves combining two or more files while maintaining the ____.
Question 8 answers
contents
sequential order
program code
data

Question 9 text Question 9 1 points Save
What type of software is used to run a computer and manage its resources?
Question 9 answers
database
application
operating system
command line

Question 10 text Question 10 1 points Save
In a use case, the actual use cases are represented by ____.
Question 10 answers
rounded rectangles
ovals
arrows
stick figures

Question 11 text Question 11 1 points Save
What task(s) are involved in designing a database table?
Question 11 answers
naming each row
naming each column
naming each column and providing data types
inserting all the data

Question 12 text Question 12 1 points Save
When sorting the values 65, 80, 95, 75, 90, what is the order of the elements after the very first comparison in a selection sort?
Question 12 answers
65, 80, 95, 75, 90
75, 65, 80, 95, 90
80, 65, 95, 75, 90
65, 75, 85, 90, 95

Question 13 text Question 13 1 points Save
Assume an array has the following values: 90, 85, 65, 95, 75. What are the values in the array after the bubble sort has finished?
Question 13 answers
85, 65, 90, 75, 95
85, 90, 65, 75, 95
65, 85, 90, 75, 95
65, 75, 85, 90, 95

Question 14 text Question 14 1 points Save
What is the least common table relationship?
Question 14 answers
one-to-one
one-to-some
one-to-many
many-to-many

Question 15 text Question 15 1 points Save
A diagram that shows which screen leads to another is called a(n) ____.
Question 15 answers
storyboard
object dictionary
interactivity diagram
flowchart

Question 16 text Question 16 1 points Save
____ contains an extra field in each record that contains a pointer to the next logical record.
Question 16 answers
A linked list
An index
Physical memory
Random-access memory

Question 17 text Question 17 1 points Save
____ is a feature of programs or modules that have been tested and proven to work correctly.
Question 17 answers
Reusability
Expense
Reliability
Efficiency

Question 18 text Question 18 1 points Save
How many loops are there in a bubble sort?
Question 18 answers
0
1
2
3

Question 19 text Question 19 1 points Save
To create a new object of a class, you must ____ it.
Question 19 answers
instantiate
derive
inherit
enable

Question 20 text Question 20 1 points Save
When merging two files, an eof condition is detected in one file. In order to continue processing a ____ value is set in the comparison variable.
Question 20 answers
dumb
high
null
flag

Question 21 text Question 21 1 points Save
A device that you can use without understanding the internal workings is a ____.
Question 21 answers
subroutine
black box
blue triangle
computer

Question 22 text Question 22 1 points Save
In a(n) ____ the first element in the array is assumed to be the smallest.
Question 22 answers
bubble
swap
selection
insertion

Question 23 text Question 23 1 points Save
Methods in a class that have the same name but different signatures are called ____.
Question 23 answers
an error
overloaded
overridden
overtyped

Question 24 text Question 24 1 points Save
Where is the best place to put a menu bar?
Question 24 answers
top of screen
left side of screen
right side of screen
bottom of screen

Question 25 text Question 25 1 points Save
____ coupling occurs when two or more modules change one another’s data.
Question 25 answers
Common
Normal
External
Pathological

Question 26 text Question 26 1 points Save
Assume a customer record contains the fields:

custId
custName
custPhoneNum
custNextCustAddress
You could conclude this is part of a(n) ____.
Question 26 answers
index
linked list
insertion sort
swap

Question 27 text Question 27 1 points Save
What type of event is caused by pressing the left mouse button two times in rapid sequence?
Question 27 answers
mouse press
mouse drag
mouse double-click
mouse point

Question 28 text Question 28 1 points Save
A good way to tell if a class is a parent or child is to use the ____ test.
Question 28 answers
is-a
has-a
of-a
SHAMP

Question 29 text Question 29 1 points Save
What type of sort is being performed in the below code?
Inline image 24.jpg
Question 29 answers
selection
swap
insertion
bubble

Question 30 text Question 30 1 points Save
How many different types of table relationships are there?
Question 30 answers
1
2
3
4

Question 31 text Question 31 1 points Save
The first task that any menu-driven program should perform is ____.
Question 31 answers
accept another response
displaying the menu
reading the user response
performing a module based on user selection

Question 32 text Question 32 1 points Save
A method that is called when a new object is created is a(n) ____.
Question 32 answers
definer
initializer
constructor
housekeeping method

Question 33 text Question 33 1 points Save
In an object-oriented program, ____ is/are more complete than with the modules used in procedural programs.
Question 33 answers
encapsulation
data sharing
variable naming
data structures

Question 34 text Question 34 1 points Save
If you were creating a subclass of Inventory (see below code), and you wished to override the showInvData method, which of the following method signatures could you use?
Inline image 50.jpg
Question 34 answers
public showInvData(char desc)
public showInvData(num pr)
public showInvData(char desc, num pr)
public showInvData()

Question 35 text Question 35 1 points Save
Which of the following is a dynamic UML diagram?
Question 35 answers
class
object
component
statechart

Question 36 text Question 36 1 points Save
If the below code is used to run a menu-driven program, what menu option is used to quit the program?
Question 36 answers
0
1
2
3

Question 37 text Question 37 1 points Save
A ____ module can also be called a dispatcher module, because it dispatches messages to a sequence of more cohesive modules.
Question 37 answers
main
housekeeping
cleanUp
looping

Question 38 text Question 38 1 points Save
A rectangular object you can click is a(n) ____.
Question 38 answers
option button
button
label
text field

Question 39 text Question 39 1 points Save
The timing of events in a single use case are shown using a(n) ____ diagram.
Question 39 answers
object
component
sequence
time-based

Question 40 text Question 40 1 points Save
Most windows applications have ____.
Question 40 answers
graphical user interfaces
consoles
batch processing capabilities
command-line interfaces

Question 41 text Question 41 1 points Save
Details about how computer systems work together are part of the ____ discipline.
Question 41 answers
programming
system design
system administration
network configuration

Question 42 text Question 42 1 points Save
The numbers 1 3 5 6 7 10 15 are stored in ____ order.
Question 42 answers
descending
random
ascending
physical

Question 43 text Question 43 1 points Save
Which of the following would be the best numeric high value?
Question 43 answers
-999
0
99
99999999999

Question 44 text Question 44 1 points Save
What step is present in coding an event-driven program but not part of creating a procedural program?
Question 44 answers
Understand the problem.
Code the program.
Translate the program into machine language.
Create storyboards.

Question 45 text Question 45 1 points Save
Which of the following is a static UML diagram?
Question 45 answers
class
statechart
activity
collaboration

Question 46 text Question 46 1 points Save
A basic query is: ____ custId, lastName FROM tblCustomer WHERE state = “WI”
Question 46 answers
SELECT
GRAB
GROUP
INSERT

Question 47 text Question 47 1 points Save
Menus are used in ____ programs.
Question 47 answers
batch
interactive
command-line
offline

Question 48 text Question 48 1 points Save
Several programming languages contain a name you can use for a value that occurs when every bit in a byte is an “on” bit, creating a value that is even higher than all Zs or all 9s. For example, in COBOL this value is called ____, and in RPG it is called HIVAL.
Question 48 answers
99
ON
HIGH
HIGH-VALUES

Question 49 text Question 49 1 points Save
Which of the following sorting methods is least efficient?
Question 49 answers
insertion
selection
basic bubble sort
optimized bubble sort

Question 50 text Question 50 1 points Save
A(n) ____ is unique among all records in a file.
Question 50 answers
flag
logical order
key field
index

Question 51 text Question 51 1 points Save
As well as being natural, icons should be ____.
Question 51 answers
creative
predictable
unique
brightly colored

Question 52 text Question 52 1 points Save
Another name for data coupling is ____ coupling.
Question 52 answers
normal
data-structure
external
internal

Question 53 text Question 53 1 points Save
A child class ____ a parent class when both have a method with the same signature.
Question 53 answers
overloads
overrides
subclasses
descends

Question 54 text Question 54 1 points Save
It is a good idea to ____ components that cannot be used on a particular screen.
Question 54 answers
dim
brighten
draw a line through
highlight

Question 55 text Question 55 1 points Save
When sorting the values 65, 80, 95, 75, 90, what is the order of the elements after the first element is moved during a selection sort?
Question 55 answers
65, 80, 95, 75, 90
65, 75, 80, 95, 90
80, 65, 95, 75, 90
65, 75, 85, 90, 95

Question 56 text Question 56 1 points Save
You are using bubble sort to sort an array of length 20. How many comparisons should ideally be made on the 3rd pass through the list?
Question 56 answers
10
16
17
19

Question 57 text Question 57 1 points Save
What is the first step in writing an event driven program?
Question 57 answers
Test the program.
Define the connections between the screens the user will see.
Understand the problem.
Define the objects.

Question 58 text Question 58 1 points Save
What are signs of amateur design in a GUI?
Question 58 answers
menus placed on the top of the screen
icons that represent real-world objects
fancy fonts and weird color combinations
allowing the user to customize the background color

Question 59 text Question 59 1 points Save
The acronym ____ is used by computer professionals to mean that if you enter invalid input data into an application, the output results will be worthless.
Question 59 answers
FIFO
GIGO
MIMO
NIMP

Question 60 text Question 60 1 points Save
When a database program includes counts or totals at the end of each sorted group, its creation is a(n) ____ report.
Question 60 answers
query
primary key
grouped
control break

Question 61 text Question 61 1 points Save
A housekeeping routine exhibits ____ cohesion.
Question 61 answers
functional
temporal
procedural
logical

Question 62 text Question 62 1 points Save
What action does a merging program take after it writes a record from file 2?
Question 62 answers
writes the next entry from file 1
writes the next entry from file 2
reads the next entry from file 2
reads the next entry from file 1

Question 63 text Question 63 1 points Save
When you merge records from two or more files, the records (almost) always contain ____.
Question 63 answers
the same data
the same fields in the same order
related information
unrelated information

Question 64 text Question 64 1 points Save
Which of the following is an example of a batch program?
Question 64 answers
Internet browser
airplane reservation system
payroll processing system
word processing program

Question 65 text Question 65 1 points Save
When did command line interfaces begin to be replaced with graphical user interfaces?
Question 65 answers
1950s
1960s
1970s
1980s

Question 66 text Question 66 1 points Save
A(n) ____ relationship indicates that a case is part of more than one use case.
Question 66 answers
extend
scenario
generalization
include

Question 67 text Question 67 1 points Save
When a program contains multilevel menus, the startUp routine usually displays the ____.
Question 67 answers
lower-level menu
second-level menu
submenu
main menu
start
perform startUp()
while *****
perform looping()
endwhile
perform cleanUp()
stop

Question 68 text Question 68 1 points Save
What UML diagram has the closest resemblance to a conventional flowchart?
Question 68 answers
sequence
class
statechart
activity

Question 69 text Question 69 1 points Save
Methods in object-oriented programs have ____ access.
Question 69 answers
private
public
derived
overloaded

Question 70 text Question 70 1 points Save
What is the smallest unit in a data hierarchy?
Question 70 answers
character
field
record
file

Question 71 text Question 71 1 points Save
What is the name for a column that uniquely identifies a record?
Question 71 answers
primary key
unique key
foreign key
table key

Question 72 text Question 72 1 points Save
The mainline logic for a program that merges two files contains a(n) ____ module, a mainLoop() module that repeats until the end of the program, and a finishUp() module.
Question 72 answers
housekeeping()
eof()
merge()
read()

Question 73 text Question 73 1 points Save
When writing a program to match master and transaction methods, what should happen when the value of the master key is equal to the transaction key?
Question 73 answers
an error has occurred and should be logged
there are no changes to the master
the master should be updated
the transaction should be updated

Question 74 text Question 74 1 points Save
Which of the following is NOT an integral component of an object-oriented program?
Question 74 answers
Classes
Polymorphism
Flowcharts
Objects

Question 75 text Question 75 1 points Save
Collections of classes that serve a related purpose are stored in ____.
Question 75 answers
modules
libraries
objects
instances

Question 76 text Question 76 1 points Save
What is the foreign key in the two related tables: tblCustomers(customerNumber, customerName) tblOrders(orderNumber, customerNumber, orderQuantity, orderItem, orderDate)
Question 76 answers
tblCustomers.customerNumber
tblOrders.orderNumber
tblOrders.orderDate
tblOrders.customerNumber

Question 77 text Question 77 1 points Save
The below code illustrates ____.
Question 77 answers
swapping
selection sort
insertion sort
bubble sort

Question 78 text Question 78 1 points Save
A class that inherits attributes and methods is a(n) ____ class.
Question 78 answers
child
parent
object
overlord

Question 79 text Question 79 1 points Save
Which condition is necessary before merging files?
Question 79 answers
files must be the same length
files must contain the same record layout
files must contain the same data
files must not contain any duplicate data

Question 80 text Question 80 1 points Save
What is another name for a record in a database?
Question 80 answers
character
row
column
table

Question 81 text Question 81 1 points Save
To ____ a master file means to make changes to the values in its fields based on transaction records.
Question 81 answers
delete
merge
update
create

Question 82 text Question 82 1 points Save
A ____ file can be used to update a master file.
Question 82 answers
merge
data
transaction
detail

Question 83 text Question 83 1 points Save
A useful way of planning a module is to document input, output, and ____.
Question 83 answers
arguments
signature
processing
syntax

Question 84 text Question 84 1 points Save
The tables with the following definitions are related with a ____ relationship. tblCustomers(customerNumber, customerName) tblOrders(orderNumber, customerNumber, orderQuantity, orderItem, orderDate)
Question 84 answers
one-to-one
one-to-some
one-to-many
many-to-many

Question 85 text Question 85 1 points Save
A module that performs tasks based on a decision statement has ____ cohesion.
Question 85 answers
procedural
temporal
logical
functional

Question 86 text Question 86 1 points Save
Which of the following is an example of an interactive program?
Question 86 answers
payroll processing system
billing system
inventory system
library catalog

Question 87 text Question 87 1 points Save
Each use case has at least one ____.
Question 87 answers
scenario
extend
generalization
stereotype

Question 88 text Question 88 1 points Save
You use a ____ diagram to illustrate aspects of a system that show interesting changes in behavior as time passes.
Question 88 answers
time-based
collaboration
statechart
sequence

Question 89 text Question 89 1 points Save
Assume you set a field value to a specific default. If the user-provided value is incorrect you are said to be ____ the value.
Question 89 answers
settling
forcing
gouging
accepting

Question 90 text Question 90 1 points Save
What type of coupling is used in the below module?
Question 90 answers
normal
data-structure
control
external

Question 91 text Question 91 1 points Save
Which UML diagram shows the system from the perspective of users?
Question 91 answers
use case
statechart
activity diagram
collaboration diagram

Question 92 text Question 92 1 points Save
Records in a ____file are matched with records in a ____ file.
Question 92 answers
data, printer
transaction, master
report, data
transaction, parent

Question 93 text Question 93 1 points Save
Assume you want to swap two variables a, and b. What would the first line of pseudocode in your program look like?
Question 93 answers
a = b
b = a
temp = 1
temp = a

Question 94 text Question 94 1 points Save
When writing a program to match master and transaction methods, what should happen when the value of the transaction key is greater than the master?
Question 94 answers
there is no change to the master
an error has occurred and should be logged
the master should be updated
the transaction should be updated

Question 95 text Question 95 1 points Save
What sort compares pairs of items and swaps them if the first is greater than the second?
Question 95 answers
swap sort
bubble sort
selection sort
insertion sort

Question 96 text Question 96 1 points Save
What type of event is caused by placing the mouse pointer over an area on the screen?
Question 96 answers
mouse press
mouse drag
mouse double-click
mouse point

Question 97 text Question 97 1 points Save
You can circumvent potential problems caused by a user’s invalid data entries by ____ the user’s input.
Question 97 answers
grouping
denying
validating
modifying

Question 98 text Question 98 1 points Save
How is a program that processes two files different from a program that processes one?
Question 98 answers
the loop uses a flag variable
the loop stops when one file is at eof
the files must be processed one at a time
there is no way to check for eof

Question 99 text Question 99 1 points Save
What company is responsible for the development of UML?
Question 99 answers
IBM
Microsoft
Rational
Bell Labs

Question 100 text Question 100 1 points Save
What is the mean value for the following numbers?
1 2 20 30 40 50 100
Question 100 answers
30
34.71
50
100

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