Flashcards on CS 102 CH. 5/6

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the two major types of system software programs are utility programs and
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operating software
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_______ of the operating system enables users to communicate with the computer system
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user interface
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OS X is the operating system developed by
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Apple
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All of the following are examples of network operating systems except
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MS DOS
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UNIX was developed by Ken Thompson and Dennis Richie, who worked at
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AT and T's Bell Labs
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Most supercomputers use the ________ operating system.
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Linux
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Which of the following operating systems are used on most tablets?
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Android and iOS
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Most smartphones use operating systems developed by ________.
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Google and Apple
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Which operating system is used by most desktop and laptop computers?
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Windows
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Windows 8 uses a(n) ________ account for easy access and storage of online files.
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OneDrive
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The latest version of the Mac OS X is ________.
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Mavericks
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Which of the following is NOT a user interface?
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application programming interface (API)
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Using hard disk space to temporarily store data or instructions from RAM is referred to as ________.
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virtual memory
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Each device attached to your computer comes with a special program called a(n) ________ that enables the device and operating system to communicate with each other.
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device driver
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Which of the following is the first step in the boot process?
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The BIOS is activated by turning on the computer.
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The basic input/output system (BIOS) is stored on a ________ chip.
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ROM
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All of the following are terms related to part of the boot process EXCEPT ________.
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USB
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Errors in computer software are called ________.
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bugs
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C: denotes a ________ directory that is at the top of the filing structure of a computer.
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root
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When using Windows 8 File Explorer, which view provides the most information at a glance?
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Details
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All of the following can be used in an OS X file name EXCEPT ________.
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:
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The location of a file is specified by its ________.
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file path
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C:WindowsSystem32driversetcprotocol is an example of a file ________.
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path
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Which of the following is the name of a Microsoft Excel file?
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inventory.xlsx
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Deleted files on a Mac computer are moved to the ________.
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Trash
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Which of the following Windows utility programs arranges pieces of files on your hard drive to allow for faster access?
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Disk Defragmenter
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Which of the following is NOT a Windows utility program?
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Desktop
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Which utility removes redundancies in a file to reduce the file size?
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File Compression
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You can use the Windows ________ to check on a nonresponsive program.
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Task Manager
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Mac OS X includes a backup utility called ________.
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Time Machine
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Every computer has an operating system.
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true
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Gaming consoles, such as Xbox 360 and iPods, do not need an operating system.
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false
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Windows 8 has a new interface that is optimized for touch-screen devices.
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true
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A personal computer can only have one operating system installed on it.
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false
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About 90% of desktop and laptop computers run some version of Windows.
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true
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Android is an open source operating system for personal computers and as a network OS.
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false
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When your computer runs out of RAM, the operating system borrows space from the CPU.
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false
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Installing a device driver can sometimes cause system instability.
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true
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CMOS is a special kind of memory that uses a great deal of power.
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false
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Preemptive multitasking is the term used when the operating system processes higher-priority tasks before lower-priority tasks.
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True
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Windows 7's File Explorer has been replaced by Windows 8's Windows Explorer.
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False
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You can use System Restore to restore your system's settings back to a specific date when everything was working properly.
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true
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File names in Windows are case-sensitive.
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false
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The High Contrast accessibility feature enables you to select a color scheme setting in which you control the contrast between text and background.
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True
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You can return to the Start screen in Windows 8 by pressing the Windows key on the computer keyboard.
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true
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The rule of thumb that predicts that CPU capacity will double every 2 years is called ________ Law.
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Moore's
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The processor market for desktop and laptop computers is dominated by ________.
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Intel
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Which of the following does NOT determine processor power?
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speed of the motherboard
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Which of the following activities is carried out by the ALU?
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perform arithmetic calculations
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All of the following are part of the machine cycle EXCEPT ________.
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encode
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The CPU consists of which two parts?
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the control unit and the arithmetic logic unit
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The control unit is one component of the ________.
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CPU
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Running the CPU at a faster speed than the manufacturer recommends is called ________.
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Overclocking
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There are ________ levels of cache memory.
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Three
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________ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished.
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Hyperthrading
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The speed of a level of cache memory is impacted by ________.
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the chip's proximity to the CPU
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RAM is an example of ________ storage.
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volatile
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The amount of RAM storage is measured in ________.
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GB
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In most current systems, ________ is the type of RAM used.
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DDR3
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Windows uses a memory-management technique known as ________ to monitor which applications you frequently use and preloads them into your system memory.
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Superfetch
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When referring to hard drives, access time is measured in ________.
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milliseconds
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A ________ uses electronic memory and has no motors or moving parts.
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solid state drive
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Which optical disc has the greatest storage capacity?
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Blu-Ray
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Which of the following is NOT an optical disc format?
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Read erasable RE
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The ________ has the largest capacity of any storage device.
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mechanical hard drive
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Which of the follow ports is NOT used to connect to a video card?
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USB
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To speed up the display of graphics, a(n) ________ is installed on some video cards.
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GPU
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A ________ enables the computer to drive the speaker system.
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sound card
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In Dolby Digital 7.1, the 1 indicates a ________ speaker.
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subwoofer
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Running the Disk Defragmenter utility will ________.
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make the hard drive work more efficiently
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Running the Disk Cleanup utility is a quick way to ________.
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clear out unnecessary files
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To remove all the changes made to your system, the Windows ________ utility returns your computer to the state it was in when it came from the factory.
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refresh
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Which statement pertaining to system reliability is FALSE?
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An accumulation of temporary Internet files has no effect on your computer's overall performance.
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To securely erase data, the U.S. Department of Defense suggests that the data be overwritten ________ times.
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seven
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Hard drives have been growing in storage capacity by about 50% each year.
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true
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Desktop computer systems are less reliable than laptop computers.
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false
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Level 3 cache memory is faster than the other cache memory levels.
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false
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The use of multiple cores on one CPU chip allows the execution of two or more sets of instructions at the same time.
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true
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Cache memory is a form of ROM.
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false
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Level 1 cache contains the least amount of storage of the cache memory levels.
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true
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Accessing data from the hard drive to send to the CPU is faster than accessing data from RAM.
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false
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The heads of a hard disk drive touch the surface of the platter to read or write the data.
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false
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Optical discs store data using tiny pits and lands.
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true
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Video cards include their own RAM.
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true
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When using multiple monitors, you must have multiple video cards.
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false
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3-D sound is different from surround-sound.
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true
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RAID 0 automatically duplicates your data and saves it on two identical drives.
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false
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Thunderbolt can carry three channels of information on the same connector.
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false
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If you reformat the hard drive on a computer, it erases all personal information from your computer and makes it safe to donate.
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false
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A computer ________ is two or more computers connected using software and hardware so that they can communicate with each other.
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natwork
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A ________ is a device connected to a network such as a printer or a game console.
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node
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________ is the actual speed of data transfer that is achieved and is always less than or equal to the data transfer rate.
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throughput
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All of the following are tasks for network administration of a large organization EXCEPT ________.
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purchasing initial equipment for the network
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Which of the following is NOT used to classify network architectures?
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sped of the network
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________ is the maximum speed at which data can be transferred between two nodes.
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bandwidth
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A ________ is a network located in your residence that connects to all your digital devices.
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HAN
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A network that spans a large physical distance is called a ________.
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WAN
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A large network designed to provide access to a specific geographic area, such as a large city, is a ________.
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MAN
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Which transmission medium transmits data the fastest?
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fiber optic cable
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Normal telephone cable is a type of ________.
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twister pair cable
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A client/server network is an example of ________ administration
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central
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A peer-to-peer (P2P) network is an example of ________ administration.
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local
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The fastest version of wireless Ethernet is ________.
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802.11ac
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Which of the following is NOT a type of cable used in wired networks?
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unshielded coaxial
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Which of the following is NOT a type of UTP cable you would use in a wired Ethernet network?
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CAT 7B
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The most popular transmission media option for wired home Ethernet networks is ________ cable.
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unshielded twisted pair UTP
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Wireless network devices use ________ to communicate with each other.
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Radio waves
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For the nodes on a network to communicate with each other and access the network, each node needs a ________.
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network adapter
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On a network, a(n) ________ helps prevent data packets from colliding with each other.
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switch
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Sophisticated networks generally use which of the following hardware devices to ease the flow of data through the network?
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routers and switches
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To transfer data packets between two or more networks, a ________ is used.
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router
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Data are sent through a network in bundles called ________.
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Packets
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All of the following operating systems support P2P networking EXCEPT ________.
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unix
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Client/server networks are controlled by a central server that runs specialized software called a(n) ________.
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Network operating system NOS
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Which of the following is NOT a wired broadband Internet connection option?
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dial up
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A(n) ________ device facilitates file sharing and data backup.
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NAS
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Using a network without the network owner's permission is known as ________.
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piggy backing
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All of the following are extra precautions you can take to secure a wireless network EXCEPT ________.
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enable SSID bro
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The unique number assigned to a network adapter by the manufacturer is referred to as the ________ address.
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MAC
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A printer connected to a wireless network is considered to be a node on that network.
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true
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Sharing files is a benefit of a network.
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true
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In a peer-to-peer network, one computer acts as the central computer.
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false
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P2P networks are most commonly used in home networks.
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true
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The Internet is a WAN.
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true
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Current wired Ethernet networks in the United States are based on the IEEE 802.11ac standard.
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False
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Ethernet networks are always connected using twisted-pair cable technology.
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false
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Wireless network connections are slower than wired broadband connections.
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true
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The most popular transmission media option for wired Ethernet networks is UTP cable.
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true
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Most computers today come with Ethernet adapters already installed.
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true
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A router acts like a traffic signal on a network.
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false
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A P2P network needs network operating system software installed on every node.
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false
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Wireless networks are more vulnerable to attack than wired networks.
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true
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WEP is a stronger form of security than WPA.
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false
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Limiting your signal range does not help increase wireless network security.
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false
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The Form 1 3D printer founders used the crowdfunding site ________ to ask for $100,000 in pledges.
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kickstarter
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The term ________refers to the use of a single unifying device that handles media, Internet, entertainment, and telephone needs.
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digital convergence
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What is iOS?
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an operating system for mobile devices
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The operating system of a cell phone is stored in ________.
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ROM
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The primary input devices for smartphones are ________.
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microphones and touch pad
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A(n) ________ chip converts sound waves from a voice into digital signal.
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analog-to-digital converter
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A(n) ________ is included in a cell phone to handle the compression of data for it to be quickly transmitted to another phone.
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digital signal processor chip
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A(n) ________ converts your voice's sound waves into digital signals.
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analog-to-digital converter chip
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Which of the following uses radio waves to transmit data signals over short distances?
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Bluetooth
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Many mobile devices include a micro ________ port.
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USB
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Text messaging is also called ________.
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short message service SMS
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SMS messages are limited to a maximum of ________ characters.
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160
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You can send messages that include photos and videos between mobile devices using ________ technology.
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multimedia message service MMS
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An Internet connectivity plan is also known as a ________ plan.
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data
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All of the following are advantages of VoIP EXCEPT ________.
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excellent reliability during during internet or power outages
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________ is a very well-known free VoIP provider.
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Skype
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The global positioning system is a network of 21 ________ plus 3 working spares.
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satellites
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A main difference between the tablet and the smartphone is the ________.
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screen size
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The distance between two near field communication (NFC) devices is limited to about ________.
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1.5 inches
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In the United States, e-books account for about ________ of all book sales.
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20-30%
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________ is digital textual information that can be stored, manipulated, and transmitted by electronic devices.
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E-Text
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Your mobile device files can be synchronized using ________.
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cloud service
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A portable media player can play files with all of the following file extensions EXCEPT ________.
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accdb
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________ allows only limited use of media that have been legally purchased.
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digital rights management
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Which of the following describes the number of times an analog wave is measured each second during an analog-to-digital conversion?
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sampling rate
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Which of the following digital image formats compresses the image file?
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jpeg
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Which of the following is NOT a video file extension?
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jpg
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A(n) ________ cable carries all audio and video information from devices to a connected TV.
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HDMI
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Inexpensive phones with modest processors and simple interfaces are called feature phones.
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true
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Smartphones all use the Android operating system.
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false
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iPhones let you add SD flash cards.
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false
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SMS messages are limited to a maximum of 160 words.
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false
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A tablet uses a full traditional operating system.
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true
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SMS technology sends both text and pictures.
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false
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There are more virus attacks on cell phone and smartphones than there are on PCs.
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false
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VoIP can be considered an alternative to a traditional landline phone service.
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true
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DRM-free music can legally be moved from system to system.
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true
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The conversion rate is the number of times per second that the analog signal is measured and converted into a digital value.
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False
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When converting analog waves to a series of numerical values, the higher the sampling rate, the more accurately the original wave can be re-created.
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true
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Raw files are larger than JPEG files.
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true
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Cellular networks offer faster data-transfer speed than WiFi offers.
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false
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With Skype software installed on your phone, you can call any phone number for free.
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false
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VoIP stands for Voice over Internet Protocol.
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true
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Every new cell/smartphone has to include a GPS chip.
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true
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