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
____ 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 (
____ 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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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