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 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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