Appendix A - Quiz Yourself Answers PDF

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Appendix A

APP 1

Quiz Yourself Answers Following are possible answers to the Quiz Yourself boxes throughout the book.

Quiz Yourself 1-1 1. A computer is a motorizedan electronic device that processes outputinput into inputoutput. 2. A storage device records (readswrites) and/or retrieves (writesreads) items to and from storage media. 3. An outputinput device is any hardware component that allows you to enter data and instructions into a computer. 4. True Statement 5. Computers have the disadvantages of fast speeds, highlow failure rates, producing consistent results, storing smallenormous amounts of data, and communicating with others. 6. Three commonly used inputoutput devices are a printer, a monitor, and speakers. Quiz Yourself 1-2 1. A resourcenetwork is a collection of computers and devices connected together via communications devices and transmission media. 2. True Statement 3. Popular systemapplication software includes Web browsers, word processing software, spreadsheet software, database software, and presentation software. 4. The InternetWeb is one of the more popular services on the WebInternet. 5. Two types of applicationsystem software are the operating system and utility programs. Quiz Yourself 1-3 1. A desktop computernotebook computer (or laptop computer) is a portable, personal computer designed to fit on your lap. 2. True Statement 3. Each enterprisehome user spends time on the computer for different reasons that include personal financial management, Web access, communications, and entertainment. 4. A homepower user requires the capabilities of a workstation or other powerful computer. 5. MainframesSupercomputers are the fastest, most powerful computers — and the most expensive. 6. The elements of an information system are hardware, e-mailsoftware, data, people, and the Internetprocedures. 7. With embedded computersonline banking, users access account balances, pay bills, and copy monthly transactions from the bank’s computer right into their personal computers.

Quiz Yourself 2-1 1. True Statement 2. A wireless Internet service providerAn IP address (or Internet Protocol address) is a number that uniquely identifies each computer or device connected to the Internet. 3. An IP addressA domain name, such as www.google.com, is the text version of a domain namean IP address. 4. SatelliteCable Internet service provides high-speed Internet access through the cable television network via a cable modem. 5. The World Wide Web Consortium (W3C) oversees research and ownssets standards and guidelines for many areas of the Internet. Quiz Yourself 2-2 1. True Statement 2. You cannot assume that information on the Web is correct and accurate. 3. Audio and video files are downloadedcompressed to reduce their file sizes. 4. Popular portalsplayers include iTunes, RealPlayer, and Windows Media Player. 5. The more widely used search enginesWeb browsers for personal computers are Internet Explorer, Firefox, Opera, Safari, and Google Chrome. 6. To develop a Web page, you do not have to be a computer programmer. 7. To improve your Web searches, use generalspecific nouns and put the leastmost important terms first in the search text. Quiz Yourself 2-3 1. True Statement 2. An e-mail address is a combination of a user name and an e-mail programa domain name that identifies a user so that he or she can receive Internet e-mail. 3. BusinessConsumer-to-consumer e-commerce occurs when one consumer sells directly to another, such as in an online auction. 4. FTP is an Internet standard that permits file readinguploading and writingdownloading with other computers on the Internet. 5. SpamInternet telephony uses the Internet (instead of the public switched telephone network) to connect a calling party to one or more called parties. 6. Netiquette is the code of unacceptable behaviors while on the Internet. 7. VoIP enables users to subscribespeak to other users over the Internet.

Copyright 2011 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.

APP 2

Appendix A: Quiz Yourself Answers

Quiz Yourself 3-1 1. True Statement 2. Public-domainPackaged software is mass produced, copyrighted retail software that meets the needs of a wide variety of users, not just a single user or company. 3. To use systemapplication software, your computer must be running applicationsystem software. 4. When a program is started, its instructions load from memorya storage medium into a storage mediummemory. Quiz Yourself 3-2 1. AudioVideo editing software typically includes videoaudio editing capabilities. 2. Enterprise computingImage editing software provides the capabilities of paint software and also includes the capability to modify existing images. 3. Millions of people use spreadsheetword processing software every day to develop documents such as letters, memos, reports, mailing labels, newsletters, and Web pages. 4. Professional accountingDTP (or desktop publishing) software is ideal for the production of high-quality color documents such as textbooks, corporate newsletters, marketing literature, product catalogs, and annual reports. 5. DatabasePresentation software is application software that allows users to create visual aids for presentations to communicate ideas, messages, and other information to a group. 6. Popular CAD programssoftware suites include Microsoft Office, Apple iWork, Corel WordPerfect Office, and Google Docs. 7. True Statement Quiz Yourself 3-3 1. AllSome Web application hosts provide free access to their software. 2. ComputerWeb-based training is a type of Webcomputerbased training that uses Internet technology and consists of application software on the Web. 3. True Statement 4. LegalPersonal finance software is a simplified accounting program that helps home users and small office/home office users balance their checkbooks, pay bills, track investments, and evaluate financial plans. 5. Personal DTPPhoto editing software is a popular type of image editing software that allows users to edit digital photos. Quiz Yourself 4-1 1. True Statement 2. Four basic operations in a machine cycle are: (1) comparing fetching, (2) decoding, (3) executing, and, if necessary, (4) pipeliningstoring.

3. Processors contain a motherboardcontrol unit and an arithmetic logic unit (ALU). 4. The central processing unitmotherboard, sometimes called a system board, is the main circuit board of the system unit. 5. The leading processor chip manufacturers for personal computers are MicrosoftIntel and AMD. 6. The pace of the system clock, called the clock speed, is measured by the number of ticks per minutesecond. 7. The system unit is a case that contains mechanicalelectronic components of the computer used to process data.

Quiz Yourself 4-2 1. True Statement 2. A gigabyte (GB) equals approximately 1 trillionbillion bytes. 3. Memory cache helps speed the processes of the computer because it stores seldomfrequently used instructions and data. 4. Most computers are analogdigital, which means they recognize only two discrete states: on and off. 5. Most RAM retainsloses its contents when the power is removed from the computer. 6. Read-only memory (ROM) refers to memory chips storing temporarypermanent data and instructions. Quiz Yourself 4-3 1. A busport is the point at which a peripheral attaches to or communicates with a system unit so that the peripheral can send data to or receive information from the computer. 2. An AC adapterexpansion slot is a socket on the motherboard that can hold an adapter card. 3. Built into the power supply is a heaterfan that keeps components of the system unit warmcool. 4. eSATAUSB ports can connect up to 127 different peripherals together with a single connector. 5. The higher the bus clock speed, the slowerfaster the transmission of data. 6. True Statement Quiz Yourself 5-1 1. A keyboard is an outputinput device that contains keys users press to enter data in a computer. 2. A stylusgraphics tablet is a flat, rectangular, electronic plastic board. 3. A trackballtouchpad is a small, flat, rectangular pointing device commonly found on notebook computers, including netbooks and many Tablet PCs. 4. True Statement 5. Operations you can perform with a wheelmouse include point, click, right-click, double-click, triple-click, drag, right-drag, rotate wheel, free-spin wheel, press wheel button, tilt wheel, and press thumb button.

Copyright 2011 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.

Appendix A: Quiz Yourself Answers

Quiz Yourself 5-2 1. True Statement 2. DV cameras record video as analogdigital signals. 3. Video games and computer games use a Web camgame controller as the input device that directs movements and actions of on-screen objects. 4. Many smart phones today have a built-in camera so that users easily can type texttake pictures. 5. The lowerhigher the resolution of a digital camera, the better the photo quality, but the more expensive the camera. Quiz Yourself 5-3 1. A fingerprint reader captures curves and indentations of a signaturefingerprint. 2. After swiping a credit card through an MICRa magstripe (or magnetic stripe card) reader, a POS terminal connects to a system that authenticates the purchase. 3. ATMs ask you to enter a password, called a biometric identifierPIN (or personal identification number), which verifies that you are the holder of the bankcard. 4. Four types of source documentsscanners are flatbed, pen, sheet-fed, and drum. 5. Retail and grocery stores use the POSTNETUPC (Universal Product Code) bar code. 6. RFID is a technology that uses laserradio signals to communicate with a tag placed in an object, an animal, or a person. 7. True Statement Quiz Yourself 6-1 1. A lowerhigher resolution uses a greater number of pixels and thus provides a smoother image. 2. An output device is any type of softwarehardware component that conveys information to one or more people. 3. Documents often include textgraphics to enhance their visual appeal and convey information. 4. Types of pixelsflat-panel displays include LCD monitors, LCD screens, and plasma monitors. 5. True Statement Quiz Yourself 6-2 1. A laserthermal printer generates images by pushing electrically heated pins against heat-sensitive paper. 2. A photolaser printer creates images using a laser beam and powdered ink, called toner. 3. An ink-jet printer is a type of nonimpact printer that forms characters and graphics by spraying tiny drops of liquid nitrogenink onto a piece of paper. 4. Printed information is called softhard copy. 5. True Statement Quiz Yourself 6-3 1. A digital light processing (DLP) projector uses tiny lightbulbsmirrors to reflect light.

APP 3

2. Many personal computer users attach surround sound printerspeaker systems to their computers to generate a higher-quality sound. 3. True Statement 4. Some game controllers include real-time actionforce feedback, which is a technology that sends resistance to the device in response to actions of the user.

Quiz Yourself 7-1 1. Disk recordingcaching consists of a memory chip(s) on a hard disk that stores frequently accessed items. 2. True Statement 3. SATA is a hard disk interface that uses parallelserial signals to transfer data, instructions, and information. 4. Storage mediaA storage device is the computer hardware that records and/or retrieves items to and from a storage devicemedia. 5. Users can move an internalexternal hard disk from computer to computer as needed by connecting the disk to a USB port or FireWire port on the system unit. Quiz Yourself 7-2 1. Cloud storageA solid state drive (SSD) is a storage device that typically uses flash memory to store data, instructions, and information. 2. A USB flash drive is a fl ash memory storage device that plugs in a parallelUSB port on a computer or mobile device. 3. Flash memory cards are a type of magneticsolid state media, which means they consist entirely of electronic components and contain no moving parts. 4. True Statement Quiz Yourself 7-3 1. A CD-RWCD-ROM is a type of optical disc on which users can read but not write (record) or erase. 2. A DVD-RAMPicture CD is a single-session disc that stores digital versions of film using a jpg file format. 3. DVDs have the samemuch greater storage capacities asthan CDs. 4. Optical discs are written and read by mirrorsa laser. 5. Single sessionMultisession means you can write on part of the disc at one time and another part at a later time. 6. True Statement Quiz Yourself 8-1 1. A bufferdriver is a small program that tells the operating system how to communicate with a specific device. 2. A coldwarm boot is the process of using the operating system to restart a computer. 3. A password is a publicprivate combination of characters associated with the user name that allows access to certain computer resources. 4. Firmware that contains the computer’s startup instructions is called the kernelBIOS.

Copyright 2011 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.

APP 4

Appendix A: Quiz Yourself Answers

5. The program you currently are using is in the backgroundforeground, and the other programs running but not in use are in the foregroundbackground. 6. Two types of system software are operating systems and applicationutility programs. 7. True Statement

4. In a client/server network, serversclients on the network access resources on the clientserver. 5. In a networked environment, any unauthorized computer user can access data and information stored on other computers on the network. 6. True Statement

Quiz Yourself 8-2 1. BlackBerryPalm OS devices use Palm OS as their operating system. 2. Examples of embeddedserver operating systems include Windows Server 2008, UNIX, Linux, Solaris, and NetWare. 3. Windows 7 Starter uses Windows AeroVista Basic. 4. True Statement 5. Aero Flip 3DLinux is a UNIX-type operating system that is open source software.

Quiz Yourself 9-3 1. A cabledial-up modem converts a computer’s digital signals to analog signals before they are transmitted over standard telephone lines. 2. A hardware firewallwireless access point is a communications device that allows computers and devices to transfer data wirelessly among themselves or to transfer data wirelessly to a wired network. 3. True Statement 4. AnalogDigital signals consist of individual electrical pulses that represent bits grouped together into bytes. 5. PhysicalWireless transmission media send communications signals through the air or space using radio, microwave, and infrared signals. 6. The lowerhigher the bandwidth, the more data, instructions, and information the channel transmits. 7. Most wireless home networks use powerline cablesWi-Fi.

Quiz Yourself 8-3 1. A pop-up blockerfile compression utility shrinks the size of a file(s). 2. An anti-spamantivirus program protects a computer against viruses by identifying and removing any computer viruses found in memory, on storage media, or on incoming files. 3. True Statement 4. You should uninstallback up files and disks regularly in the event your originals are lost, damaged, or destroyed. 5. Web filteringDisc burning software writes text, graphics, audio, and video files to a recordable or rewritable disc. 6. FragmentingDefragmenting a disk is the process of reorganizing it so that the files are stored in contiguous sectors. Quiz Yourself 9-1 1. A cybercaféhot spot is a wireless network that provides Internet connections to mobile computers and other devices. 2. A Web folderGPS (global positioning system) is a navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the receiver’s geographic location. 3. True Statement 4. ReceivingSending devices initiate an instruction to transmit data, instructions, or information. 5. Users can send pictures and sound files, as well as short text messages, with textpicture messaging. Quiz Yourself 9-2 1. A wireless LAN is a LAN that uses no physical wires. 2. An intranet is an internal network that uses video conferencingInternet technologies. 3. Five types of digital dial-updedicated lines are ISDN lines, DSL, FTTP, T-carrier lines, and ATM.

Quiz Yourself 10-1 1. A coding schemecheck digit is a number(s) or character(s) that is appended to or inserted in a primary key value. 2. A databasefield is a combination of one or more related characters or bytes and is the smallest unit of data a user accesses. 3. A recorddatabase is a collection of data organized in a manner that allows access, retrieval, and use of that data. 4. DataInformation is processed informationdata. 5. Hierarchy of dataFile maintenance procedures include adding records to, modifying records in, and deleting records from a file. 6. True Statement Quiz Yourself 10-2 1. A DBMS is hardwaresoftware that allows you to create, access, and manage an operating systema database. 2. A querydata dictionary contains data about files and fields in the database. 3. Backup and recovery proceduresAccess privileges for data involve establishing who can enter new data, modify existing data, delete unwanted data, and view data. 4. To reduce data entry errors, well-designed forms should rollbackvalidate data as it is entered. 5. True Statement

Copyright 2011 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.

Appendix A: Quiz Yourself Answers

Quiz Yourself 10-3 1. Data warehouses often use a process called OQLdata mining to find patterns and relationships among data. 2. Object-orientedRelational databases store data in tables. 3. True Statement 4. Relational database users refer to a file as a table, a record as a columnrow, and a field as a rowcolumn. 5. SQL is a data modelingquery language that allows users to manage, update, and retrieve data. 6. The database analystadministrator requires a more technical inside view of the data than does the database administratordata analyst. Quiz Yourself 11-1 1. A back doordenial of service (DoS) attack is an assault whose purpose is to disrupt computer access to an Internet service such as the Web or e-mail. 2. True Statement 3. A biometric device translates a personal characteristic into an analoga digital code that is compared with a digital code stored in the computer. 4. Computer viruses, worms, Trojan horses, and rootkits are malware that acts without a user’s knowledge. 5. Perpetrators of cybercrime and other intrusions fall into seven basic categories: hacker, cracker, CERT/CCscript kiddie, corporate spy, unethical employee, trusted sourcecyberextortionist, and cyberterrorist. 6. ShorterLonger passwords provide greater s...