ReviewReviewFinal ExamFinal Exam

Chapters 1 – 8, 9 – 12Chapters 1 – 8, 9 – 12

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ww Exam TopicsChapters 1 – 3Chapters 1 – 3: Overview of Computer

Hardware and SoftwareChapter 4Chapter 4: Operating Systems and File

ManagementChapters 5 – 7Chapters 5 – 7: Computer Networks and The

InternetChapter 8Chapter 8: Digital MediaChapters 10 – 12Chapters 10 – 12: Information Systems

Development, Management and Maintenance

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ww Exam Information 90 questions, 1-2 points each = 100 points True/False and Multiple Choice 1 hour and 45 minutes to complete Exam Weight: 30% of final grade Use study aids at end of each chapter Use self-tests and quick quizzes in

BookOnCD or online at Course Technology site.

Review slides presented in class Take prototype exam and check answers Email me if you have questions or need

clarifications

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Final ReviewFinal Review

2: Computer Hardware2: Computer HardwareKEY CONCEPTS:Main components of computer systemMicroprocessor: CPU… ALUMemory vs. storageRAM…ROM…EEPROMMagnetic vs. optical storage

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Final ReviewFinal Review

2: Computer Hardware2: Computer HardwareA critical difference between data in RAM and data in RAM and data on the hard drivedata on the hard drive is that data in RAM _____________ and data on the hard drive _____________.

a) is numeric only…. can contain letters and special characters

b) is directly accessible to the CPU…. is stored for future access

c) can be compiled…. is machine code onlyd) is binary…. is ASCII

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Final ReviewFinal Review

3: Computer Software3: Computer SoftwareKEY CONCEPTS:Application Software vs. System SoftwareUtilitiesCommon classes of applications/suites

– document production– spreadsheet– database– graphics– entertainment

Vertical vs. Horizontal Applications

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Final ReviewFinal Review

3: Computer Software3: Computer SoftwareA critical difference between System Software System Software and Application Softwareand Application Software is that System Software _____________ and Application Software _____________.

a) is written in C…. is written in Javab) can access the Internet…. can use only local datac) manages the computer’s resources…. allows end

users to use of the computer to accomplish tasksd) is based on a command line user interface….

uses a GUI (Graphical User Interface)

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Final ReviewFinal Review4: Operating Systems & 4: Operating Systems & File ManagementFile Management

KEY CONCEPTS:What is an operating system?What is a BIOS?What is the OS kernelkernel?What is a file systemfile system?How are files stored?What is the bootstrapbootstrap routine?

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Final ReviewFinal Review4: Operating Systems & 4: Operating Systems & File ManagementFile Management

A critical difference between a computer’s BIOS and Operating SystemBIOS and Operating System software is that the BIOS __________ and the Operating System __________.

a) acts as the master controller for the computer’s input and output functions…. manages the user file system

b) contains essential input and output functions that get the computer started…. acts as the master controller for all activities that take place within a computer system

c) manages the computer’s resources…. allows end users to use of the computer to accomplish tasks

d) is loaded from ROM…. is loaded from RAM

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Final ReviewFinal Review

5: LANs and Wireless5: LANs and Wireless

KEY CONCEPTS:LAN vs. WANWired vs. Wireless LANsStandardsTopologiesLAN security considerations

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Final ReviewFinal Review

5: LANs and Wireless5: LANs and Wireless

A critical difference between a wired LAN and wired LAN and wireless LANwireless LAN is that a wired LAN ____________ and a wireless LAN ___________.

a) has a low error rate from interference…. encounters significant environmental interference

b) has no security issues…. has significant security issues

c) uses standard communication protocols…. uses proprietary communication protocols

d) allows direct access to the Internet…. require a wireless router to access the Internet

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Final ReviewFinal Review

6: The Internet6: The Internet

KEY CONCEPTS:Internet vs. World Wide WebDomain name… IP address… DNSInternet protocol stackClient-server technologyWhat is a packet?Data transfer through the Internet

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Final ReviewFinal Review

6: The Internet6: The Internet

A critical difference between a LAN and the LAN and the InternetInternet is that a LAN ____________ and the Internet ___________.

a) can’t be accessed directly by end users…. allows end user access via a browser

b) is typically owned and operated by a single individual or institution…. is a wide area network that has no single owner/operator

c) has no standards for communications…. is based on well-defined communications standards

d) uses a protocol…. uses no defined protocols

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Final ReviewFinal Review7: The Web and Internet 7: The Web and Internet ApplicationsApplications

KEY CONCEPTS:Application protocols … their purpose

– HTML, SMTP, FTP, URL and its componentsCookies and their useE-Commerce.... security considerationsE-mail basics of operation

– standard mail vs. web mailSymmetric Key vs. Public Key Encryption

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Final ReviewFinal Review7: The Web and Internet 7: The Web and Internet ApplicationsApplications

A critical difference between the World Wide World Wide Web and the InternetWeb and the Internet is that the World Wide Web __________ and the Internet _________.

a) is the data…. is the networkb) is global.... is localc) uses search engines to find documents…. uses

routers to find documentsd) contains many different types of documents….

contains only text and numeric documents

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Final ReviewFinal Review

8: Digital Media8: Digital Media

KEY CONCEPTS:Analog vs. digitized sound and picturesDigital audio… sampling… digitizationBitmap graphics vs. vector graphicsResolution and color depthCompressed vs. raw imagesDigital video basics

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Final ReviewFinal Review

8: Digital Media8: Digital Media

A critical difference between bitmap graphics bitmap graphics and vector graphicsand vector graphics is that bitmap graphics __________ and vector graphics _________.

a) cannot be edited…. can be manipulated directlyb) has superior color depth…. has limited color

palettes availablec) is optimized for image storage…. requires vast

amounts of storage for simple imagesd) specifies attributes for each pixel…. specifies

attributes for each object

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Final ReviewFinal Review

10: Information Systems10: Information Systems

KEY CONCEPTS: Transaction processing… Management

information… decision support system SDLC “waterfall”…. purpose and key phases Planning… build team, scope project Analysis… decide what must be done Design… decide how to do it Implementation… do it and test it Maintenance… operate, fix, improve it

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Final ReviewFinal Review

10: Information Systems10: Information Systems

A critical difference between System Analysis System Analysis and System Design and System Design is that System Analysis __________ and System Design __________.

a) describes how the systems processes data…. describes what data the system uses

b) determines what to do…. decides how to do itc) defines the systems look and feel…. defines the

systems operationd) is done before the project team is formed…. is

done by the project team

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Final ReviewFinal Review

11: Databases11: Databases

KEY CONCEPTS:What is a database and how is it used?Flat file vs. relational modelTables…records…fieldsData management tools and applicationsData independenceDistributed database basicsSQL basics

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Final ReviewFinal Review

11: Databases11: Databases

A critical difference between a flat file database flat file database and other database modelsand other database models is that with flat files ____________ and other models ___________.

a) have no structure…. are hierarchically structuredb) can be edited/updated with a simple text editor….

require a database application to update datac) each record is an independent entity…. establish

relationships between database recordsd) are simply lines of text…. use a structure of tables,

fields and records

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Final ReviewFinal Review

12: Computer Programming12: Computer Programming

KEY CONCEPTS:Source code…machine code… compilerHigh-level language vs. low-level languageProblem statement…algorithm…codingDevelopment tools… editors… IDEs…VDEsProcedural programmingObject-oriented programming

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Final ReviewFinal Review

12: Computer Programming12: Computer Programming

A critical difference between source code and source code and machine codemachine code is that source code ___________ and machine code ___________.

a) is plain text…. is encryptedb) is created by humans…. is created by programsc) is machine dependent…. is operating system

dependentd) supports decision branches and different data

types…. only supports straight-line execution using numeric data