ATEC/ Final Exam

	A ____ is the smallest unit of data that a binary computer can recognize. 1. pixel       2. bit   3. byte     4. datum
	To convert analog sound to digital sound, several thousand samples—digital representations of the sound at a particular moment—are taken every second.     1. True   2. False
	Each pixel in a monochrome graphic can be only one of two possible colors (such as black or white).   1. True      2. False
	Instructions and data flow in and out of the CPU via the ____.   1. bus interface unit   2. decode unit     3. prefetch unit     4. control unit     Score: 2/2
	Case-Based Critical Thinking Questions Case 2-2Jack has a computer at home that he uses to access the Internet, store and edit personal photos, and create and edit documents. Recently, he has come to realize that in order to keep the computer performing at its best, he needs to carry out regular system maintenance on the computer. Since Jack has a Windows system, he can right-click a hard drive icon in Windows Explorer, select Properties, and then select the ____ option on the Tools tab to check that hard drive for errors.     1. Check Now   2. Disk Defragmenter     3. Defragment Now     4. Windows Disk Cleanup
	One nanometer (nm) is ____ of a meter. 1. one-tenth     2. one-millionth       3. one-billionth   4. one-thousandth
	____ means that data can be retrieved directly from any location on the storage medium, in any order. 1. Sequential access     2. Online access       3. Random access      4. Indirect access
	One reason advanced users may partition a primary hard drive is to be able to use two different operating systems on the same hard drive.   1. True   2. False
	A ____ partition contains the data necessary to restore a hard drive back to its state at the time the computer was purchased and is designed to be used only if the computer malfunctions.   1. recovery   2. troubleshooting     3. malfunction     4. dual-boot
	CD-ROM discs and DVD-ROM discs are ____ optical discs and come prerecorded with commercial products.     1. read-only      2. write-only     3. rewritable     4. recordable     Score: 2/2
	Users do not have to be concerned with how files are physically stored on a storage medium.   1. True   2. False
	SSDs are an especially attractive option for portable computers and mobile devices.   1. False       2. True
	Flash memory media can be inserted into a reader in several ways. 1. True       2. False
	Most computer tapes today are in the form of ____ tapes, as shown in the accompanying figure. 1. floppy     2. cartridge        3. flash   4. optical     Score: 0/2
	A graphics tablet is typically connected to a computer via a USB port. 1. False       2. True
	A display device is the most common form of output device.   1. False       2. True
	Automating the data entry process is referred to as source data automation.   1. False       2. True
	In addition to a keyboard, most PCs today have some type of online storage system. 1. False        2. True
	The accompanying figure shows a(n) ____ printer. 1. ink-jet       2. dot-matrix   3. thermal     4. laser
	____ monitors can be added to a computer without requiring a video card that supports multiple monitors. 1. GPU     2. Monochrome     3. VGA       4. USB
	Digital video cameras include digital camcorders and small digital video cameras used in conjunction with computers and other devices. 1. False       2. True
	File extensions should not be changed by the user because the operating system uses them to identify the program that should be used to open the file.     1. True   2. False
	Most operating systems today use a text-based user interface.   1. False      2. True
	Dean has been using computers for some time now, but he is unfamiliar with a number of utility programs. In order to better maintain his computer, he decides to ask his coworker Andrea for advice on basic utility programs. Another thing that Andrea tells Dean is that it is very important for him to ____ all of his important data on a regular basis to protect against data loss in the case of a problem with the computer. He can use a(n) ____ utility to do this.   1. defragment       2. backup   3. compress     4. cleanup
	____ refers to the ability of an operating system to work with more than one program at one time.   1. Polyprogramming     2. Multidimensional     3. Multiprogramming       4. Multitasking
	As you work on your computer, the operating system is in charge of managing system resources and making them available to devices and programs when they are needed.   1. True   2. False
	Stand-alone utility programs are often available in a suite of related programs.     1. True 2. False
	Case 5-2Dean has been using computers for some time now, but he is unfamiliar with a number of utility programs. In order to better maintain his computer, he decides to ask his coworker Andrea for advice on basic utility programs. Andrea advises Dean to remove unnecessary programs from his computer by using a(n) ____ utility. 1. delete       2. uninstall   3. cleanup     4. remove
	Case 5-1Janet is studying operating systems as part of her Understanding Computers 101 class. After learning about the different types of operating systems, she realizes that she uses a number of them in her daily life. All the computers in Janet’s school computer lab have the newest version of Windows installed, which is ____. 1. Windows Solaris     2. Windows XP       3. Windows 7      4. Windows Vista
	Linux is increasingly being used with both mainframes and supercomputers.   1. False       2. True 100%
	Although labels and constant values will be copied exactly to the new location, the way formulas behave when they are copied depends on whether they use relative cell referencing or ____. 1. full cell referencing     2. total cell referencing       3. absolute cell referencing   4. integral cell referencing
	When entering a formula or function into a cell, most spreadsheet programs require that you begin with some type of symbol, usually the asterisk character (*).   1. False        2. True
	The accompanying figure represents the toolbar command button for the ____ command.   1. New document     2. Save     3. Open       4. Undo
	____ refers to organizing the content to be transferred to DVD, such as importing video clips, creating the desired menu structure, and so forth.   1. Video ripping       2. DVD authoring      3. DVD ripping     4. Video editing
	The accompanying figure is an example of a wide variety of software available today for mobile phones and other mobile devices. 1. False       2. True
	____ satellites travel at a speed and direction that keeps pace with the earth’s rotation, so they appear (from earth) to remain stationary over a given spot.   1. Isochronous       2. Geosynchronous      3. Full-duplex transmission     4. Microwave
	____ was originally developed to carry a large number of high-speed video transmissions at one time, such as to deliver cable TV service. 1. Fiber-optic cable     2. Twisted-pair cable     3. Single-wire cable       4. Coaxial cable
	In ____ transmission, data is sent at the same time as other related data to support certain types of real-time applications that require the different types of data to be delivered at the proper speed for that application.   1. asynchronous     2. isochronous      3. synchronous     4. endrosynchronous
	Client-server networks include both clients and servers.     1. True   2. False
	____ is the use of networking technology to provide medical information and services.   1. Remote medicine     2. Telecommuting     3. Remote health       4. Telemedicine
	____ is a consortium of researchers, educators, and technology leaders from industry, government, and the international community that is dedicated to the development of revolutionary Internet technologies.   1. ISP     2. ICANN2       3. Internet2   4. P2P
	Web conferences typically take place via a personal computer or mobile phone and are used by businesses and individuals.     1. True   2. False
	Anthony is passionate about politics and enjoys sharing and discussing his views with others over the Internet. Anthony regularly visits several popular political ____, which are Web pages designed to facilitate written discussions between people on specific subjects.   1. podcasts       2. message boards   3. e-mail programs     4. Webinars
	Businesses and ISPs typically archive e-mail messages that travel through their servers.   1. False       2. True
	Technically, the Internet is a physical network, and the Web is the collection of Web pages accessible over the Internet.   1. True   2. False
	Repeated threats or other harassment carried out online between adults is referred to as ____.   1. phishing     2. cyberterrorism       3. cyberstalking   4. computer sabotage
	Possessed knowledge access systems use physical objects for identification purposes and are frequently used to access facilities and computer systems.     1. True     2. False ]
	Advocates of ____ state that, unless individuals or businesses protect their access points, they are welcoming others to use them.   1. war driving   2. spoofing     3. phishing     4. spamming
	One emerging type of Trojan horse is called a ____-Access Trojan.   1. Demote     2. Control   3. Remote 4. Hacker
	Melissa is the network administrator for a small publishing company. As network administrator, she is in charge of maintaining the security of all the computers that are part of the company’s network. Melissa also decided to use a(n) ____, which continuously monitors and analyzes the traffic allowed to and from the network to detect possible attacks as they are occurring and block them.   1. antivirus software       2. IPS   3. firewall   4. RAM