Answer key
Benha University
1nd Term (jan 2010) Final Exam
Class: 2nd Year Students
Subject: Introduction to IS
Faculty of Computers & Informatics
Date: 10/1/2011
Total grade : 65
Time: 3 hours
Examiner: Dr. Mohamed Abd Elfattah
Notes : write clearly! Answers that are not clearly formulated or readable will be interpreted as the
wrong answer
Answer the Following Questions:
Question 1 : Multiple Choice [25 marks ]
1) Information systems that monitor the elementary activities and transactions of the organizations are:
a) Management-level systems. b) operational-level systems
c) knowledge-level systems
d) strategic-level systems
2) Summary transaction data, high-volume data, and simple models are information inputs
characteristic of a(n):
a) DSS
b) MIS
c) ESS
d) TPS
3) Management information systems usually:
a) Serve managers interested in weekly, monthly, and yearly results, not day-to-day activities.
b) Help managers make decisions that are unique, rapidly changing, and not easily specified in
advance.
c) Provide managers with a generalized computing and telecommunications capacity that can
be applied to a changing array of problems.
d) Perform and record the daily routine transactions necessary to the conduct of business
4)Feasibility analysis is typically done during which system development stage?
A)Analysis
b) investigation
c) design
d) implementation
5) A field or set of fields that uniquely identifies the record.
A) Primary key
b) attribute c) entity
d) data item
6).……………Devices that store larger amounts of data, instructions, and information more
permanently than allowed with main memory
A) ALU
B) input
C) secondary
D) ROM
7) ………is a set of integrated programs that manage a company’s vital business operations for an
entire multi-site, global organization.
A) ERP
B) data marts
C) SQL
D) OLAP
8)…….Computers are large, powerful computers often shared by hundreds of concurrent users
connected to the machine via terminals
A) Server
B) mainframe
C) desktop
D) Workstations
9) …..software is primarily aimed at controlling the operation of system components such as input and
output devices and the processor.
a)compilers b) Operating systems c)application programming d) non of the above
10)Which type of software is focused on supporting communication, collaboration and coordination
a)Groupware. B) E-business software. c) SCM software. D) CRM software.
11).….Software applications that support navigation through the point-and-click hyper-linked
resources of the web
A) Web Browsers b) search engine
c) E-mail d)Weblog
12) In which of the following database structures do the relationships NOT have to be specified in
advance?
A)Hierarchical.
B)Network.
C)Relational
.D)Operational
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13) A computer is a system of hardware devices organized according to which of the following
functions?
A)Input, output, and storage.
B)Input, processing, output, and control.
C)Input, processing, output, storage, and control. D)Input, output, storage, and control.
14) A web browser is best described as a(n):
A)General purpose application program. B)Application specific program.
C)System management program.
D) System development program
15) ……… refers to software that is delivered with unrestricted access to its source code.
A)Open source software
b)Groupware software.
C)Microsoft project software. D) Mac operating system software
16) Programming languages such as Visual Basic, C++, and Java are considered fifth generation
languages. They tie data elements to the procedures or actions that will be performed on the data
elements. Thus they are best described as:
A)Procedural languages.
B)Assembly languages.
C) Object oriented languages. D) None of the choices are correct.
17) Which of the following places the common data elements in order from smallest to largest?
A)Character, file, record, field, database. B) Character, record, field, file, database.
C)Character, field, record, file, database. D) Bit, byte, character, record, field, file, database
18) Which of the statements below best describes a database?
A)Contains data elements describing entities and relationships among entities.
B)Contains files and fields.
C)Contains the hierarchy.
D)None of the choices are correct.
19) Using a relational database of students at a university, which database operation could be used to
create a subset of records that includes only computer information systems majors?
A) Project.
B) Select.
C) Join.
D) Report
20) During data planning and database design, data models that support business processes are used to
develop databases that meet the information needs of users. These models are called:
A) Association diagrams.
B) Data dictionaries.
C) Data manipulation language.
D) Entity relationship diagrams.
21) Distributed databases:
a)Can be on intranets and other networks.
b)Can be copies of operational databases or any other type of database.
c) Need to be replicated or duplicated so that the end users at any site have access to correct data.
d) All of the choices are correct.
22) Database development includes which of the following?
a)Using a DBMS to develop prototypes of queries, forms, reports, and Web pages for a
business application.
b)Using transaction processing systems and other tools to add, delete, update, and correct the
data in a database.
c)Defining and organizing the content, relationships, and structure of the data needed to build a
database.
d) All of the choices are correct.
23) An international standard query language found in many DBMS packages is:
A) Access. B)Structured Query Language. C) Select Report. D) Graphical User Interface
24) In a ………..network, when you request a file, a central server can search a directory for any other
users who have that file and are online; when you receive the list of those users, you can click on one
name to prompt the software to connect your PC to their PC and automatically transfer the file you
want from their hard drive to yours.
A) Ring. B) Bus.
C) Star.
D)
Peer-to-peer.
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25) Unstructured decisions are typically made at the ………. management level.
A)
Strategic. B)
Tactical C) Operational.
D) Organizational.
Question 2 : Mark each of the following statements as [√] True or [x]false; if false, justify [9
marks]
1. Of the hierarchical, network, and relational database structures described in your text, the
network structure is the only one that makes ad hoc queries feasible for end users to
complete without the aid of information systems professionals. False
2. Examples of operational databases would include time and billing databases, service call
management databases, asset tracking databases, and event management databases. True
3. Companies can effectively use data mining to acquire new customers, prevent current
customer attrition, and cross—sell to existing customers. True
4. One advantage of traditional file processing, when compared to databases, is that the
individual data files are less dependent upon the application software used to access those
files. False
5. Systems have three basic functions: processing, output, and dissemination.
False
6. COTS software is software that is commercial off-the-shelf software. Such software is
purchased, installed, and ready for the customer's use.True
7. Operating system functions include user interface, resource management, task management,
email management, and utilities and other functions.False
8. Extranets is a network based on web technologies that allows selected outsiders such as
business partners to access authorized resources. True
9. E-commerce involves any business transaction executed electronically between parties
True
Question 3 : Answer the following questions [10 marks]
A) Describe briefly the differences between the following terms :
1. LAN and WAN
Local Area Network (LAN)
Connects computers within a limited physical area, such as an office,
classroom, or building
2. WAN Wide Area Network
Telecommunication network that covers a large geographic area
3. data mining and data warehousing
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data mining :Data in data warehouses are analyzed to reveal hidden patterns
and trends
a. Market-basket analysis to identify new
product bundles
b. Find root cause of qualify or manufacturing problems
c. Prevent customer attrition
d. Acquire new customers
e. Cross-sell to existing customers
f. Profile customers with more accuracy
Data Warehouses



Stores static data that has been extracted from other databases in an
organization
Central source of data that has been cleaned, transformed, and cataloged
Data is used for data mining, analytical processing, analysis, research,
decision support
4. logical design and physical design
Logical Design
Schema - overall logical view of relationships
Subschema - logical view for specific end users
Data models for DBMS
Physical Design How data are to be physically stored and
accessed on storage devices
B) What advantage and disadvantages are associated with the use of client/server computing?
Advantages Can better protect the integrity and security
of the content and users of the network
Disadvantages Directory server can be slowed or overwhelmed by too many users or
technical problems
c)List three ways to protect Intranets?
a. Passwords
b. Encryption
c. Firewalls
Question 4 : Answer the following questions [15 marks]
Suppose you need to develop an information system to an account bank system and this bank has
many branches around Egypt
Notes: account bank contains data such as: customer’s data, loans, customer’s accounts
b) Describe the input, processing, output, feedback associated with this system
(Depend on student) various answer
c) Provide examples of information systems from your experiences with a bank, justify why?
Depend on student) various answer
TPS, MIS, DSS, ESS, KWS
d) What are the some of types of databases that can you used in the bank and justify why?
(Depend on student) various answer
Operational Databases, Distributed databases , Web-Based System, Data Warehouses
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With best wishes
Dr. Mohamed Abd El-fatah
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