Question

A) select, project, and where.
B) select, join, and where.
C) select, project, and join.
D) select, from, and join.
E) who, what, and where.

Answer 1

C

Answer 2

TRUE

Answer 3

TRUE

Answer 4

B

Answer 5

FALSE

Answer 6

E
Explanation: E) On a data-flow diagram, a square represents a source or sink, which accounts for the origin and destination of data.
CL

Answer 7

FALSE

Answer 8

B

Answer 9

B

Answer 10

Use case modeling is a set of use cases that, when taken together, describe the behavior of a system. A use case is a unit of this model. It can also be defined as a contract between entities that have a stake in the outcome of a use case (i.e., stakeholders) and the system.

Answer 11

C

Answer 12

SELECT

Answer 13

FALSE

Answer 14

TRUE

Answer 15

F

Answer 16

TRUE

Answer 17

FALSE

Answer 18

tracker

Answer 19

D

Answer 20

First movers are firms who are first to market in a particular area and who move quickly to gather market share. First movers hoped to establish a large customer base quickly, build brand name recognition early, and inhibit competitors by building in switching costs for their customers through proprietary interface designs and features. The thinking was that once customers became accustomed to using a company's unique web interface and feature set, they could not easily be switched to competitors. In the best case, the entrepreneurial firm would invent proprietary technologies and techniques that almost everyone adopted, creating a network effect, which occurs where all participants receive value from the fact that everyone else uses the same tool or product.

Answer 21

A
Explanation: A) The first phase was undisciplined, where developers were seen as geniuses and artists.
CL

Answer 22

B

Answer 23

With 3D printing, also called additive manufacturing, objects are manufactured through the deposition of successive layers of material. Just as two-dimensional printers deposit ink in two dimensions, 3D printers deposit material in three dimensions, layering material in the third dimension as it dries. Rather than relying on suppliers for all its raw materials, organizations may choose to "print" some raw materials in-house.

Answer 24

FALSE

Answer 25

TRUE

Answer 26

C

Answer 27

Windowing

Answer 28

A

Answer 29

Answer: weak

Answer 30

TRUE

Answer 31

"Amount" is data, "bank's debts and assets are adjusted accordingly" is process, and"customer's account" is information.

Answer 32

TRUE

Answer 33

FALSE

Answer 34

A

Answer 35

Some of the core roles of a database administrator are:
1. Analyzing and designing the database
2. Selecting DBMS and related software tools
3. Installing and upgrading the DBMS
4. Tuning database performance
5. Improving database query processing performance
6. Managing data security, privacy and integrity
7. Performing data backup and recovery

Answer 36

In sequential file organization, the records are stored sequentially according to a primary key value. In index file organizations, the records are stored either sequentially or nonsequentially. An index is created that allows the application software to locate individual records. The index can be thought of as a card catalog.

Answer 37

TRUE

Answer 38

C

Answer 39

B

Answer 40

Sellers can avoid some implied warranty liability by making a warranty disclaimer. A warranty disclaimer is a statement declaring that the seller will not honor some or all implied warranties. Any warranty disclaimer must be conspicuously made in writing, which means it must be easily noticed in the body of the written agreement.

Answer 41

D

Answer 42

B

Answer 43

The aesthetics of the user interface must be a functional aesthetic. The issues faced by user interface designers are more similar to those that industrial and graphic designers must solve than to challenges that artists and fashion designers must confront. In industrial design, function comes first, beauty second.

Answer 44

C

Answer 45

The legal systems of most countries include a concept called constructive notice. People receive constructive notice that they have become subject to new laws and cultural norms when they cross an international border, even if they are not specifically warned of the changed laws and norms by a sign or a border guard’s statement. Thus, ignorance of the law is not a sustainable defense, even in a new and unfamiliar jurisdiction.
This concept presents particular problems for online businesses because they may not know that customers from another country are accessing their Web sites. Thus, the concept of notice—even constructive notice—does not translate very well to online business.

Answer 46

A

Answer 47

explicit

Answer 48

Answer: B

Answer 49

The first approach that organizations can take to address the challenge of scheduling
large-scale systems development projects is to avoid all major schedule risks by never
developing software in-house. Instead, they can license software from vendors. However, if no
suitable software exists, companies can take one of two remaining approaches. They can admit
the impossibility of systems development scheduling and plan accordingly. They can abandon
the systems development life cycle and decide to invest a certain level of resources into a project,
manage it as best as they can, and take the schedule that produces results. The third approach is
to attempt to schedule the development project in spite of all difficulties. Several different
estimation techniques can be used. If the project is similar to a past project, the schedule data
from that past project can be used for planning. When such similar past projects exist, this
technique can produce quality schedule estimates. If there is no such past project, managers can
estimate the number of lines of code that will need to be written. Then they can use industry or
company averages to estimate the time required. Another technique is to estimate the function
points in a program, use each function point to determine the number of lines of code, and use
that number to estimate schedules.

Answer 50

Legal and contractual feasibility is the process of assessing potential legal and contractual ramifications due to the construction of a system. Possible considerations might include copyright or nondisclosure infringements, labor laws, antitrust legislation, foreign trade regulations, and financial reporting standards, as well as current or pending contractual obligations. Contractual obligations may involve ownership of software used in joint ventures, license agreements for use of hardware or software, nondisclosure agreements with partners, or elements of a labor agreement. A common situation is that development of a new application system for use on new computers may require new or expanded, and more costly, system software licenses.

Answer 51

FALSE

Answer 52

FALSE

Answer 53

scheduling

Answer 54

FALSE

Answer 55

FALSE

Answer 56

B

Answer 57

FALSE