Test 3 Chapters 7 - 10 True/False Indicate whether the sentence or statement is true or false. ____ 1. Items on a storage medium remain intact only until the power is removed from the computer, and thus a storage medium is volatile. ____ 2. Instead of recordable DVDs, most users work with rewritable DVDs. ____ 3. A typical hard disk has multiple platters stacked on top of one another. ____ 4. Manufacturers claim that a properly cared for CD or DVD will last 5 years, but could last up to 100 years. ____ 5. The access time of storage devices is fast, compared with the access time of memory. ____ 6. When a user issues a command to start application software, the operating system locates the program in memory and loads it into storage. ____ 7. To make a program active in Windows XP, click its program button on the taskbar. ____ 8. If application software has stopped responding and the hard disk’s LED blinks repeatedly, the operating system probably is thrashing. ____ 9. Few floppy and hard disk manufacturers preformat their disks. ____ 10. Users with broadband Internet connections are less susceptible to attacks from a hacker. ____ 11. Ghosting is a severe problem with today’s displays. ____ 12. The advantage of device-independent operating systems is that users can retain existing application software and data even if they change computer models or vendors. ____ 13. Some personal computer maintenance utilities continuously monitor a computer while it is used and repair problems before they occur. ____ 14. Most groupware provides personal information manager (PIM) functions. ____ 15. In a networked environment, no authorized computer user can access data and information stored on other computers on the network. ____ 16. On a client/server network, the client sometimes is called a host computer. ____ 17. Bus networks are unpopular on LANs because they are expensive and difficult to install. ____ 18. Using a dial-up line to connect computers costs more than making a regular telephone call. ____ 19. Fiber-optic cables have the capability of carrying significantly more signals than wire cables. ____ 20. To assist with sound decision making, the information must have value. ____ 21. File maintenance procedures include adding records to, changing records in, and deleting records from a file. ____ 22. In a file processing system, the records in one file always relate to the records in other files. ____ 23. With the database approach, most data items are stored in multiple files, which greatly increases duplicate data. ____ 24. Many computer users can develop smaller databases themselves, without professional assistance. ____ 25. In a relational database, users can set up a relationship between tables at any time, but the tables must have a common column (field). Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 26. All of the following use direct access except _____. a. CDs and DVDs c. tape b. Zip disks d. floppy disks and hard disks ____ 27. A hard disk that is mounted inside the system unit sometimes is called a _____. a. fixed disk c. portable hard disk b. Zip disk d. removable hard disk ____ 28. All of the following may scratch or damage an optical disc except _____. a. holding a disk by its edges b. stacking disks c. touching the underside of a disc d. exposing disks to any type of contaminant ____ 29. All of the following are characteristics of hard disks, except _____. a. write-protect notch c. sectors and tracks b. read/write head d. capacity ____ 30. A standard CD-ROM is called a _____ disc because manufacturers write all items on the disc at one time. a. multisession c. unisession b. single-session d. compound-session ____ 31. DVD+RW drives can write on all of the following media except _____. a. CD-R c. CD-RW b. DVD+RAM d. DVD+RW ____ 32. A cross-platform program is one that runs _____. a. only on one operating system c. the same on multiple operating systems b. differently on every operating system d. differently on one operating system ____ 33. With a _____, users interact with menus and visual images such as icons, buttons, and other objects to issue commands. a. command-line interface c. performance-monitor interface b. menu-driven interface d. graphical user interface (GUI) ____ 34. Utility programs included with most operating systems provide all of the following functions except _____. a. managing files and viewing graphics files b. uninstalling programs and diagnosing problems c. removing viruses and compressing files d. backing up files and defragmenting disks ____ 35. Windows XP includes a file manager called _____. a. Windows Picture and Fax Viewer c. DriveSpace b. Windows Explorer d. Dr. Watson ____ 36. Many backup programs _____, or shrink the size of, files during the backup process. a. restore c. fragment b. register d. compress ____ 37. Screen savers originally were developed to prevent a problem called _____, in which images could be permanently etched on a monitor’s screen. a. thrashing c. ghosting b. paging d. hacking ____ 38. _____ is a conversation that takes place over the Internet using a telephone connected to a desktop computer, mobile computer, or mobile device. a. A chat room c. Internet telephony b. A newsgroup d. An online meeting ____ 39. A _____ is a legal agreement that permits users to install software on multiple computers, usually at a volume discount. a. network license c. peer license b. server license d. site license ____ 40. A file server is a dedicated server that _____. a. stores and manages files c. stores and provides access to a database b. manages printers and print jobs d. manages network traffic (activity) ____ 41. _____ has been adopted as a network standard for Internet communications. a. Ethernet c. TCP/IP b. token ring d. 802.11 ____ 42. Communications software consists of programs that _____. a. help users establish a connection to another computer or network b. manage the transmission of data, instructions, and information c. provide an interface for users to communicate with one another d. all of the above ____ 43. Physical transmission media used in communications include all of the following except _____. a. twisted-pair cable c. broadcast radio cable b. coaxial cable d. fiber-optic cable ____ 44. Timely information _____. a. can be proven as correct or incorrect c. gives more value than it costs to produce b. has an age suited to its use d. is error free ____ 45. A database contains files, a file contains _____. a. characters, a character contains fields, and a field is made up of records b. fields, a field contains characters, and a character is made up of records c. records, a record contains characters, and a character is made up of fields d. records, a record contains fields, and a field is made up of characters ____ 46. A(n) _____ verifies that a required field contains data. a. range check c. consistency check b. completeness check d. alphabetic/numeric check ____ 47. When compared with a file processing system, a database offers all of the following except _____. a. reduced data redundancy b. easier access and shared data c. reduced development time d. less required memory, storage, and processing power ____ 48. A checkout clerk with _____ privileges to the e-mail addresses in a discount warehouse database could view the addresses but not change them. a. read-only c. full-update b. write-only d. no access ____ 49. A _____ stores documents such as schedules, calendars, manuals, memos, and reports. a. multimedia database c. computer-aided design (CAD) database b. groupware database d. hypertext database ____ 50. To access data in a _____, users fill in a form on a Web page. a. hypertext database c. Web database b. multimedia database d. groupware database