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Exam Study Guide Here are some typical question that would make excellent question on a final examination. The Final Exam will be multi-choice.


These are True/False question, but the question may give you a basis for you exam questions.

Indicate whether the sentence or statement is true or false.


____ 1. The numeral 2 is the largest number in the binary number system.


____ 2. Each 1 or 0 in binary code is called a byte.


____ 3. The physical, electrical, and mechanical devices a computer uses to process data is called software.


____ 4. The four primary functions of a computer are to accept input, process data, store data, and produce output.



____ 5. In the figure above, the item labeled as item 2 is a hard disk drive (inside the system unit.)


____ 6. Floppy disks, hard disks, and CD-ROM disks are all examples of storage media.


____ 7. The area of a computer that holds data to be processed is called memory.


____ 8. IBM PC-compatible and Macintosh are the two most popular microcomputer platforms in use today.


____ 9. The Mac platform, used in the Macintosh computer, was designed and manufactured by the Microsoft Corporation.


____ 10. Computer users commonly interact with application software but never interact with system software.


____ 11. A PDA can be carried anywhere because of its small size.


____ 12. The maximum processing speed of a supercomputer is about one billion instructions per second.


____ 13. A mainframe is a large computer that normally contains a single processing unit.


____ 14. The primary difference between Macintosh and IBM-compatible platforms is the type of application software they run.


____ 15. E-commerce is the area of the Internet which provides activities, such as electronic auctions.


____ 16. Users logged on to a computer network can send messages to each other and share data stored in a centralized storage device.


____ 17. The standard set of rules for addressing and transmitting data via the Internet is TCP/IP (Transmission Control Protocol/Internet Protocol).


____ 18. Information available on the Internet is stored on packers.


____ 19. The unique address assigned to every device connected to the Internet is called an AP address.


____ 20. Electronic mail allows people to send typed messages back and forth in real time.


____ 21. Internet telephony uses a standard telephone to allow people to converse over the Internet.


____ 22. Downloading refers to the process of transferring files from an Internet server to a local computer.


____ 23. The speed of a dial-up connection is affected by distance and interference.


____ 24. The speed of Always-on Internet connections is often reduced by interference and traffic on telephone lines.


____ 25. On the Internet, your user ID is the same as your password.


____ 26. When transferring files between your personal computer and the Internet, you download to a server and upload from a server.


____ 27. A typical Web site contains one or more Web pages and links to other files or documents.


____ 28. The simplest way to determine whether an object on a Web page is a link is to move your pointer on top of it.


____ 29. Most URL (uniform resource locator) addresses begin with "www".


____ 30. HTML is the standard format for URLs.


____ 31. A browser is a software program that helps you access the Internet and the Web.


____ 32. HTML tags are always the last part of a URL.


____ 33. A keyword is a unique password that allows entry to secure Web sites.


____ 34. Billions of e-mail messages are sent over the Internet yearly.


____ 35. E-mail is based on store-and-restore technology that accepts and manipulates messages.


____ 36. The three most widely used types of e-mail systems are POP, IMAP, and Web-based e-mail.


____ 37. POP is a type of search engine used to locate music that may be downloaded from the Web.


____ 38. When sending an e-mail message, you must always type in your own e-mail address at the end of the message.


____ 39. Yahoo and Hotmail are examples of IMAP e-mail systems.


____ 40. An SMTP (Simple Mail Transfer Protocol), typically routes your outgoing e-mail.


____ 41. A mouse can be used to drag objects from one location on the screen to another.


____ 42. An e-mail attachment is any file or document that travels with an e-mail message.


____ 43. A POP server is a computer that stores your incoming messages until you download them to your hard drive.


____ 44. Prior to 1940, computers were defined as "tabulators".


____ 45. When a computer manipulates information, we call this processing.


____ 46. A notebook computer is a handheld computer that accepts writing input.


____ 47. CD-ROM drives are used to create and copy disks.


____ 48. Most PC's have a flat panel display screen that is attached to the system unit.


____ 49. Software programs assign specific filenames to the data files it creates.


____ 50. A laser printer uses the same technology as a fax machine to produce professional-quality text and graphics.


____ 51. A laser printer creates an image on paper by printing a fine pattern of dots to create each character or image.



____ 52. In the figure above, keyboard shortcuts can be used for many commands by holding down the key shown as item 8 while also pressing another key defined for the command.


____ 53. When a monitor is configured for a high resolution, the text and graphics appear larger.


____ 54. A graphics display divides the screen into a matrix of small dots called icons.


____ 55. The viewable image size is the image within the black border of the computer screen.


____ 56. If a graphics card supports a resolution of 1600 x 1200 and a monitor supports 1280 x 1024, the resolution of the graphics card will override the resolution of the monitor.


____ 57. A laser printer uses the same technology as a photocopier.


____ 58. RAM is a permanent storage area for the operating system.


____ 59. Magnetic storage media, such as floppy disks, are popular because of their durability and long life span.


____ 60. Magnetic storage media, such as floppy disks and zip disks, should never be stored near magnets or magnetic fields.


____ 61. Pits and lands are elements of optical storage technology.


____ 62. A read-write head is used to create light and dark spots on optical storage media.


____ 63. Magnetized particles on the surface of a disk are interpreted as 1s and 0s.


____ 64. The term "addressable bins" refers to the available slots in a system case.


____ 65. Disk density refers to the number of pits and lands on a disk.


____ 66. The storage capacity of a medium is determined by its density.


____ 67. A floppy disk is made of aluminum or glass.


____ 68. A write-protect window appears on all forms of magnetic media.


____ 69. The major advantage of a floppy disk is its durability.


____ 70. SuperDisk drives can read and write to standard floppy disks.


____ 71. The speed of a hard disk drive is measured in revolutions per minute.


____ 72. RAID technology records the same data on more than one disk at the same time.


____ 73. A head crash occurs when a laser beam hits a dust particle while writing data.


____ 74. Some hard disks are removable to provide security and distant storage.


____ 75. Storage media divide data into sectors and tracks.


____ 76. CD-ROM disks, CD-R disks, and CD-RW disks all store data by burning pits into the surface of the disk.


____ 77. Archiving refers to the organization of sectors and tracks on a disk.


____ 78. A CD-R drive uses a laser to change the reflectivity of a layer of dye on the disk.


____ 79. Expansion cards are installed into drive bays in the system case.


____ 80. ISA (Industry Standard Architecture) is the preferred type of expansion slot on new computers.


____ 81. PCMCIA slots are typically found on notebook computers.


____ 82. Most desktop monitors use cathode ray tube (CRT) technology.


____ 83. A liquid crystal display directs beams of electrons toward the screen to activate dots of color.


____ 84. LCD (liquid crystal display) monitors feature an active matrix screen to facilitate rapid update of the display for animations and video.


____ 85. Screen size is measured diagonally from one corner of the screen to its opposite.


____ 86. Dot pitch is a measure of image clarity.


____ 87. Multifunction peripherals may combine the functions of a printer, modem, and scanner.


____ 88. Device drivers are hardware that house storage media.


____ 89. A graphics tablet is an input devise that accepts input from a pressure-sensitive stylus.


____ 90. A trackball is an input device that can be used in place of a mouse.


____ 91. Plug and Play refers to a type of video connector.


____ 92. Thermal transfer printers use a ribbon coated with colored wax.


____ 93. A solid ink printer requires special paper to produce photographic images.


____ 94. You cannot change or add to data on a DVD-ROM disk.


____ 95. A DVD drive speed of 1X is faster than a drive speed of 5X.


____ 96. A set of instructions that tells the computer how to perform a particular task is called a script.


____ 97. A computer's operating system is one type of application software.



____ 98. The file indicated by the number 2 in the above figure is a support file.


____ 99. As shown in the above figure, data modules can have a variety of filename extensions, such as .dll, .hlp, and .exe.


____ 100. Support modules are stored in files that are accessed by the computer as needed.


____ 101. The word list used by a spell checker is stored in a data module.


____ 102. Many support modules are "generic" and can be used in conjunction with several different programs.


____ 103. Application software helps a computer carry out its basic operating functions.


____ 104. High-level computer languages are written in machine language.


____ 105. Source code consists of a series of instructions that must be translated into machine language before the computer's microprocessor can "understand" it.


____ 106. Programming instructions are translated into machine language by compilers and machine language is translated into human language by interpreters.


____ 107. Scripts are written in languages designed for use in Web-based programs.


____ 108. One function of an application program is to store and retrieve files from your hard drive.


____ 109. It is the responsibility of your computer's operating system to help the microprocessor switch tasks so that it appears that many things are happening at the same time.


____ 110. Your operating system keeps track of the names and locations of your files as well as the empty spaces on a disk where future data can be stored.


____ 111. The [Ctrl][Alt][Del] key sequence can be used to escape from a program that has "crashed".


____ 112. If you are a very fast typist, occasionally you will have to pause to allow the operating system to "catch up" with you.


____ 113. Most operating systems today use a GUI display.


____ 114. The term multitasking operating system means the system is designed to respond to the input of many users at the same time.


____ 115. The UNIX operating system is used primarily in multiuser environments.


____ 116. Windows, Mac OS, UNIX, DOS, and Linux operating systems all use a graphical user interface.


____ 117. Windows, Mac OS, and Linux operating systems all offer multitasking options.


____ 118. Document producing software, that is installed on a computer before you purchase it, is part of the system software.


____ 119. Most document producing software allows you to change font size and style.


____ 120. The format for a document refers to the arrangement and appearance of text and graphics on a page.


____ 121. Desktop publishing software is usually frame oriented.


____ 122. Headers and footers are elements of a page layout that appear in a document's margins.


____ 123. The mail merge feature of the document producing program can insert names and addresses found in other documents.



____ 124. In a spreadsheet, such as the above figure, the intersection of a column and row is called a value.


____ 125. The item numbered 2 in the above figure indicates a cell that contains a value.


____ 126. The item numbered 6 in the above figure is called the Formula bar.


____ 127. When the contents of a cell is changed, all formulas relating to that cell are automatically recalculated.


____ 128. A structured file holds data entered into fields.


____ 129. In data management software, each field is divided into records that hold data relevant to the field.


____ 130. While information within a database can be changed or updated, data within a flat file cannot.


____ 131. In a relational database, records from several tables can be combined by using equivalent records in each table.


____ 132. SQL and QBE are abbreviations for query languages used in database software.


____ 133. You can touch-up poor quality photographs using tools provided by presentation software programs.


____ 134. CAD (computer-aided design software) provides wireframes to create three dimensional objects.


____ 135. Drawing software produces flat-looking objects that are easy to modify.


____ 136. Paint software can work with photographs.


____ 137. Business software designed to automate tasks for a specific business is called vertical market software.


____ 138. To maintain payroll records, a company should use a statistical software program.


____ 139. The ESRB provides a rating symbol on most business software boxes.


____ 140. Music compression programs enhance the quality of the sound but require special players.


____ 141. Video editing software allows you to synchronize audio tracks with each video clip.


____ 142. A copyright notice is not required to be displayed within the software program.


____ 143. Each 1 and 0 in the binary system represents 1 bit of computer code.


____ 144. Most computer codes use 4 bit sections.


____ 145. Numeric data consists of only 0s and 1s.


____ 146. "My stuff.doc" consists of the file header "My stuff" and the extension ".doc"


____ 147. A file header contains information regarding the code used to represent the data in the file.


____ 148. When you use numbers to indicate a month, day, and year (2/4/98), your computer interprets them as numeric data.


____ 149. Computer circuits use AC current.


____ 150. A pin-grid array is a type of chip carrier.


____ 151. The world's first microprocessor was introduced in 1971 by Intel.


____ 152. Your computer's microprocessor can be easily and inexpensively upgraded as new models appear on the market.


____ 153. The two main parts of a computer's microprocessor, the ALU and control unit, perform different tasks and do not interact with each other.


____ 154. The speed of a computer is determined by the microprocessor clock.


____ 155. A microprocessor's instruction set may be either complex or reduced.


____ 156. A microprocessor clock speed is measured in terahertz.


____ 157. Word size is a factor that effects microprocessor performance.


____ 158. The type of memory a computer uses is determined by the data it contains.


____ 159. A RAM speed of 8 ns is faster than 10 ns.


____ 160. 100 MHz (megahertz) RAM is slower than 80 MHz RAM.


____ 161. A charged capacitor represents the binary bit "1".


____ 162. The ROM BIOS (basic input/output system) contains instructions for starting up a computer.


____ 163. Filenames and filename extensions are separated by a comma.


____ 164. Filenames adhere to specific rules referred to as file format.


____ 165. Each operating system has its own set of file-naming conventions.


____ 166. Native file formats identify the application used to create the file.


____ 167. Filename extensions usually indicate the type of software used to create or access the file contents.


____ 168. Reserved words are special identifiers used by some operating systems and may not be used as filenames.


____ 169. DOS, Mac OS, and UNIX do not allow spaces between words in a filename.


____ 170. Storage devices on a PC are assigned letter locations that vary from computer to computer.


____ 171. The main directory for a storage disk is called the boot directory.


____ 172. A file's location is defined by a path that begins with the filename.


____ 173. Files may be stored in folders within a directory.


____ 174. File directories contain information about each file's size, type, and date of most recent modification.


____ 175. Subdirectories are the list of files contained within a root directory.


____ 176. The file specification includes the letter of the drive where it is stored.


____ 177. File size is measured in bits, kilobits, or megabits.


____ 178. Files that are moved to the Windows Recycle Bin are only deleted from the directory.


____ 179. Emptying the Windows Recycle Bin removes all the files and makes them permanently unretrievable.


____ 180. You need special software to permanently delete data from your hard disk so that it can never be retrieved.


____ 181. In a Windows environment, you can change the name of a file by using the Save As dialog box.


____ 182. With a Windows operating system, selecting a file and then clicking the left mouse button displays a menu of file management options.


____ 183. In Windows Explorer, clicking on a storage device icon will display its contents in the right-hand pane of the window.


____ 184. In Windows Explorer, clicking on the minus-sign will expand the object and display its contents.


____ 185. Plus and minus signs appear next to storage device icons but not next to subfolders or subdirectories.


____ 186. When you make a copy of a file or folder, the file specification or path is the same for both unless you move one of the copies to another storage device.


____ 187. When you open an application program, your computer takes a copy of the program from your hard drive and opens it in RAM.


____ 188. While you are typing a new document, the data is saved on a storage device as "Untitled" until you give it a filename.


____ 189. When you open a saved document, but do not change it in any way, and then use Save As to save it under a new name, your computer stores it in the same cluster as the original document.


____ 190. A computer storage device uses tracks and sectors to assign locations to store data.


____ 191. Your computer uses a file system to store information about where data is located.


____ 192. If a File Allocation Table is damaged, all the data stored on your hard drive is erased.


____ 193. In the communication system described by Claude Shannon in 1948, data is sent to its destination by encoding, transmitting, and then decoding.


____ 194. The maximum number of units that can be conveyed in a coding scheme with n bits is 2n.


____ 195. Transmitted information usually takes the form of a digital signal.


____ 196. The frequency of an electromagnetic signal refers to the number of times a wave moves back and forth between two points in one second.


____ 197. Short wavelengths tend to travel a shorter distance than longer wavelengths.


____ 198. Analog waveforms take a different shape than digital waveforms.


____ 199. Digital waveforms have an unlimited range of forms and require complex circuitry.



____ 200. Item 3 in the above figure indicates the height of a wave, which is its amplitude.


____ 201. Digital signals are easy to "clean up" after being affected by noise.


____ 202. The most common type of communications channel is a wired cable.


____ 203. Broadband and narrowband refer to the amount of shielding around a cable.


____ 204. RF (radio frequency) signals are sent to a transceiver with an antenna, then transmitted over the air waves to a transponder that transmits the signal to its destination.


____ 205. Coaxial cables have a solid copper wire core with BNC connectors.


____ 206. In terms of the communications network, the "host computer" and "server" perform similar functions and are basically synonymous terms.


____ 207. To connect your PC to the Internet over telephone wires, your computer must have a network interface card (NIC) plugged into its motherboard.


____ 208. Every device on the Internet has a unique address.



____ 209. A star physical topology, illustrated by item 1 in the above figure, must also have a star logical topology.


____ 210. Networks can use more than one type of the physical topologies shown in the above figure.


____ 211. Multiple messages being transmitted over a network are clumped together into packets.


____ 212. Packets of information vary in size depending on the size of the file being transmitted.


____ 213. A communications parity is a set of rules for efficiently transmitting data from one node to another.


____ 214. Some communications systems send and receive data at an assigned clock rate, but most systems transmit data in an assigned number of bytes.


____ 215. An ESP (ethernet service provider) is your link to the Internet.


____ 216. Peer-to-peer networks provide equal access to resources for all computers in the network.


____ 217. The Ethernet uses CSMA/CD to minimize collisions during transmission.


____ 218. NSPs provide ISPs with Traceroute records.


____ 219. The SSL Internet protocol provides a secure transfer of data over the network.


____ 220. The IP address of your computer is your e-mail address translated into a series of numbers.


____ 221. Dial-up Internet connections use temporary IP addresses that are assigned to the client computer while it is connected to the Internet.


____ 222. Static IP addresses retain their IP address only while they are connected to the Internet.


____ 223. A domain name is an easily identifiable label that corresponds to a numeric IP address.


____ 224. Top-level servers maintain a database of domain names and their corresponding IP addresses.


____ 225. Although any individual or organization can select a domain name by registering it, some domain names are restricted.


____ 226. Examples of top-level domains, that are restricted to certain organizations, are org, gov, mil, and int.


____ 227. POTS is an acronym for the system that provides dial-up Internet connections.



____ 228. The item numbered 1 in the above figure represents a digital signal.


____ 229. When modems were first introduced, their speed was measured in band widths, but now it is measured as baud rate.


____ 230. DSL (Digital Subscriber Line) is a high-speed Internet access that uses television cables to transmit signals.


____ 231. If you have a DSL connection to the Internet, it is a good idea to turn off your computer when you are not using it.


____ 232. A DSL modem is connected to your computer's Ethernet card.


____ 233. Data transmitted over a DSL connection must be routed to special telephone lines designed for high-speed digital signals.


____ 234. Lines for the T1 network, developed by AT&T, can carry both analog and digital data.


____ 235. CATV Internet connections require a special cable splitter to convert computer signals.


____ 236. A standard coaxial cable connects the Ethernet card on a computer's motherboard to the cable modem.


____ 237. Direct satellite Internet connections are expensive but they all provide two-way service, high-speed service.


____ 238. Two-way satellite connections offer high-speed downstream service but typically much slower upstream service.


____ 239. Mobile connections, using a cellular phone, are currently the slowest access to the Internet but have the advantage of being relatively noise-free.


____ 240. Some Personal Digital Assistants have built-in wireless communication circuitry.


____ 241. TCP stands for Transfer Communications Protocol.


____ 242. Packet switching allows message parcels to be routed independently to avoid congested lines.


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224. ANS: F REF: 142


225. ANS: T REF: 143


226. ANS: F REF: 143


227. ANS: T REF: 144


228. ANS: T REF: 145


229. ANS: F REF: 145


230. ANS: F REF: 146


231. ANS: T REF: 147


232. ANS: T REF: 146


233. ANS: T REF: 147


234. ANS: T REF: 144


235. ANS: F REF: 148


236. ANS: F REF: 149


237. ANS: F REF: 150


238. ANS: T REF: 150


239. ANS: F REF: 150


240. ANS: T REF: 150


241. ANS: F REF: 136


242. ANS: T REF: 136