Friday, August 16, 2013

Hardware and memory

hardware and memory mcq
1.             According to Moore’s law:
A.     computer prices will decrease dramatically every year.
B.     memory storage size will double every year.
C.     hard disk space will increase into the terabyte range within a decade.
D.     CPU capacity will double every 18 months.
Answer: D      
2.             The portion of the CPU that coordinates the activities of all the other computer components is the:
A.     motherboard.
B.     coordination board.
C.     control unit.
D.     arithmetic logic unit.
Answer: C       Reference: Evaluating the CPU Subsystem                             Difficulty: Moderate
3.             The CPU does all of the following EXCEPT:
A.     store data.
B.     process instructions.
C.     manage the flow of information through the computer system.
D.     process data that has been inputted into the system.
Answer: A       Reference: Evaluating the CPU Subsystem                             Difficulty: Moderate



4.             Mathematical calculations and comparison decisions are performed by the ____________ of the CPU.
A.     numerical calculator
B.     central calculation unit
C.     control unit
D.     arithmetic logic unit (ALU)
Answer: D       Reference: Evaluating the CPU Subsystem                             Difficulty: Easy
5.             The terms megahertz and gigahertz refer to the number of ____________ per second that a CPU can perform.
A.     machine cycles
B.     arithmetic calculations
C.     video updates
D.     program instructions
Answer: A       Reference: Evaluating the CPU Subsystem                             Difficulty: Easy
6.             All of the following are considered subsystems EXCEPT:
A.     CPU.
B.     memory.
C.     device.
D.     storage.
Answer: C       Reference: Assessing Your Hardware: Evaluating Your System         Difficulty: Moderate
7.             Every time the CPU performs a program instruction it goes through all the following steps EXCEPT:
A.     the CPU fetches the required piece of data from RAM
B.     the CPU executes the instruction and stores it on an external device.
C.     the CPU decodes the instruction so that the computer can understand it.
D.     the CPU executes the instruction and stores it in RAM.
Answer: B       Reference: Evaluating the CPU Subsystem                             Difficulty: Moderate


8.             DRAM, SRAM, and DDR RAM are all types of:
A.     CPUs.
B.     read-only memory.
C.     random access memory.
D.     operating systems.
Answer: C       Reference: Evaluating RAM: The Memory Subsystem           Difficulty: Moderate
9.             Which of the following statements is FALSE concerning RAM?
A.     RAM is an example of volatile storage.
B.     When the power is turned off, data remains in RAM.
C.     RAM is located in memory modules on the motherboard.
D.     The speed of retrieving data from RAM is measured in nanoseconds.
Answer: B       Reference: Evaluating RAM: The Memory Subsystem           Difficulty: Moderate
10.         All of the following statements concerning RAM are true EXCEPT:
A.     RAM is the temporary holding space for all data and instructions that the computer uses while it is on.
B.     At a minimum, you need enough RAM to run the operating system and whatever software applications you are running.
C.     Adding more RAM will not improve system performance.
D.     The amount of RAM on the memory modules, in the computer, is referred to as physical memory.
Answer: C       Reference: Evaluating RAM: The Memory Subsystem           Difficulty: Moderate
11.         Which of the following statements is TRUE concerning virtual memory?
A.     Virtual memory is the space on the hard drive where the operating system begins to store data when it becomes memory-bound.
B.     Accessing data from RAM is a slower than accessing data from virtual memory.
C.     When it is using virtual memory, the operating system builds a file called the RAM file.
D.     If a computer is memory-bound, adding more RAM will not solve the problem.
Answer: A       Reference: Virtual memory                                                     Difficulty: Challenging

12.         ____________ storage refers to storage that loses its data when the power is turned off.
A.     Permanent
B.     Volatile
C.     Nonvolatile
D.     Virtual
Answer: B       Reference: Evaluating RAM: The Memory Subsystem           Difficulty: Easy
13.         The time it takes a CPU to retrieve data from RAM is measured in:
A.     milliseconds.
B.     microseconds.
C.     nanoseconds.
D.     picoseconds.
Answer: C       Reference: Evaluating RAM: The Memory Subsystem           Difficulty: Challenging
14.         The ____________ of the hard drive is the sum of seek time and latency (rotational delay).
A.     rpm
B.     access time
C.     spin time
D.     read time
Answer: B       Reference: Did Deeper: How a Hard Disk Drive Works         Difficulty: Moderate
15.         The speed of a hard drive is measured in:
A.     milliseconds.
B.     MHz.
C.     GHz.
D.     nanoseconds.
Answer: A       Reference: The Hard Disk Drive                                             Difficulty: Moderate


16.         Rotational delay, on a hard disk drive, is also known as:
A.     latency.
B.     seek time.
C.     access time.
D.     rpm.
Answer: A       Reference: Dig Deeper: How a Hard Disk Drive Works         Difficulty: Challenging
17.         When using virtual memory, accessing data from the hard drive is over ____________ than accessing data from RAM.
A.     100 times faster
B.     1,000 times faster
C.     1,000,000 times slower
D.     10,000,000 times slower
Answer: C       Reference: Virtual Memory                                                    Difficulty: Challenging
18.         The PF Usage portion of the Task Manager’s Performance tab indicates the:
A.     processing frequency of the CPU.
B.     size of the page file in virtual memory.
C.     number of page swaps per second that are taking place.
D.     total RAM that is installed on the system.
Answer: B       Reference: Virtual Memory                                                    Difficulty: Challenging
19.         The number of pixels displayed on a screen is known as the screen:
A.     resolution.
B.     color depth.
C.     refresh rate.
D.     viewing size.
Answer: A       Reference: Monitors                                                               Difficulty: Easy


20.         Low-level formatting of a hard disk will:
A.     initialize the file allocation table.
B.     reallocate data in order to make disk access more efficient.
C.     defragment the disk.
D.     create tracks and sectors on the magnetic surface.
Answer: D       Reference: Dig Deeper: How a Hard Disk Drive Works         Difficulty: Challenging
21.         Which of the following statements, concerning sound cards, is FALSE?
A.     Most computers ship with a 3D sound card.
B.     Most sound cards do not include a microphone in port.
C.     Sound cards are expansion cards that attach to the motherboard.
D.     3D sound convinces the ear that the sound is omnidirectional.
Answer: B       Reference: Sound Cards                                                         Difficulty: Easy
22.         Which of the following is TRUE concerning read/write heads?
A.     Read/write heads retrieve and record data to and from the hard disk.
B.     Read/write heads move from the center of the platter to the outer edges.
C.     Read/write heads actually touch the surface of the platter.
D.     Read/write heads move over the spinning platters up to 1,000 times per second.
Answer: A       Reference: Dig Deeper: How a Hard Disk Drive Works         Difficulty: Moderate
23.         Which of the following statements is TRUE?
A.     The newer version of USB (USB 2.0) transfers data at a rate of 12 Mbps.
B.     Bluetooth 2.0 has a maximum transfer rate of 3 Mbps.
C.     IrDA does not need a clear line of sight.
D.     Ethernet ports are most commonly used to connect digital cameras.
Answer: B       Reference: Evaluating Port Connectivity                                 Difficulty: Moderate


24.         The gridlike pattern, created on a hard disk drive by low-level formatting, is composed of:
A.     read heads and write heads.
B.     tracks and sectors.
C.     platters and segments.
D.     megabits and megabytes.
Answer: B       Reference: The Hard Disk Drive                                             Difficulty: Easy
25.         The hard disk’s access time is determined by the sum of which two factors?
A.     latency and rotational delay
B.     seek time and rpm
C.     data transfer time and platter spin rate
D.     seek time and latency
Answer: D       Reference: Dig Deeper: How a Hard Disk Drive Works         Difficulty: Challenging
26.         Which of the following portable storage devices is likely to have the least storage capacity?
A.     Zip disk
B.     CD
C.     Floppy disk
D.     DVD
Answer: C       Reference: Portable Storage Options: The Floppy and Beyond           Difficulty: Easy
27.         All of the following should be considered when purchasing a monitor EXCEPT:
A.     viewing size.
B.     VRAM.
C.     refresh rate.
D.     dot pitch.
Answer: B       Reference: Monitors                                                               Difficulty: Moderate


28.         CRT and LCD are types of:
A.     ports.
B.     video cards.
C.     monitors
D.     memory.
Answer: C       Reference: Monitors                                                               Difficulty: Easy
29.         When reporting the speed of a CD-RW drive as 48x12x48, the order of the speeds is:
A.     record à rewrite à playback.
B.     record à playback à rewrite.
C.     playback à rewrite à record.
D.     playback à record à rewrite.
Answer: A       Reference: CDs and DVDs                                                     Difficulty: Challenging
30.         Which of the following statements is FALSE concerning flash drives?
A.     Flash drives fit into a USB port only one way.
B.     Flash drives can be damaged by moisture and dust.
C.     Flash drives should be removed while the activity LED is lit.
D.     Flash drives should be removed when the “Safe to Remove Drive” message appears.
Answer: C       Reference: Bits and Bytes: Taking Care of Flash Drives         Difficulty: Easy
31.         Which of the following statements, concerning speakers, is FALSE?
A.     Amplified speakers need no external power.
B.     Unamplified speakers use internal power.
C.     Amplified speakers produce better quality sound.
D.     For better bass sounds, a subwoofer is recommended.
Answer: A       Reference: Speakers                                                               Difficulty: Moderate


32.         The device that converts binary data into the images that display on the monitor is called a(n):
A.     CRT.
B.     video card.
C.     image processor.
D.     Ethernet card.
Answer: B       Reference: Video Cards                                                          Difficulty: Easy
33.         All of the following terms apply to random access memory (RAM) EXCEPT:
A.     volatile storage.
B.     physical memory.
C.     DIMMs.
D.     permanent storage.
Answer: D       Reference: Evaluating RAM: The Memory Subsystem           Difficulty: Moderate
34.         ____________ ports have a maximum throughput of 4 Mbps and require that a line of sight be maintained between the ports on the two devices.
A.     IrDA
B.     RJ-45
C.     Bluetooth
D.     Analog/Digital
Answer: A       Reference: Evaluating Port Connectivity                                 Difficulty: Moderate
35.         ____________ refers to the number of bits used to represent a pixel.
A.     Resolution
B.     Dot pitch
C.     Refresh rate
D.     Bit depth
Answer: D       Reference: Video Cards                                                          Difficulty: Challenging


36.         Screen resolution is changed in:
A.     refresh rate mode.
B.     Add/Remove Programs.
C.     Performance Properties.
D.     Display Properties.
Answer: D       Reference: Monitors                                                               Difficulty: Easy
37.         Increasing the resolution of a monitor will:
A.     decrease the size of the images.
B.     increase the size of the images.
C.     increase the number of colors displayed.
D.     result in a slower refresh rate.
Answer: A       Reference: Monitors                                                               Difficulty: Moderate
38.         The ____________ port transfers data at 800 Mbps but is available only on some Macs.
A.     parallel
B.     FireWire 800
C.     RJ-45
D.     DVI
Answer: B       Reference: Evaluating Port Connectivity                                 Difficulty: Easy
39.         Which of the following can be connected to an RJ-45 jack?
A.     digital cameras
B.     mice
C.     printers
D.     network connections
Answer: D       Reference: Evaluating Port Connectivity                                 Difficulty: Moderate


40.         Which of the following can NOT be connected to a parallel port?
A.     cable modems
B.     printers
C.     Zip drives
D.     scanners
Answer: A       Reference: Figure 6.33: Ports and Their Uses                         Difficulty: Easy
41.         ____________ ports are replacing traditional parallel and serial ports.
A.     Line input
B.     USB
C.     RJ-45
D.     Ethernet
Answer: B       Reference: Evaluating Port Connectivity                                 Difficulty: Easy
42.         All of the following are wireless transmission standards EXCEPT:
A.     Bluetooth.
B.     IrDA.
C.     Gigabit Ethernet.
D.     WiFi.
Answer: C       Reference: Evaluating Port Connectivity                                 Difficulty: Moderate
43.         A(n) ____________ is necessary for the most recent surround sound standard.
A.     amplified speaker
B.     3D sound card
C.     graphic equalizer
D.     Dolby 7.1 sound card
Answer: D       Reference: Sound Cards                                                         Difficulty: Challenging


44.         Most basic sound cards contain all of the following input/output jacks EXCEPT:
A.     microphone in.
B.     speaker in.
C.     Ethernet port.
D.     gaming port.
Answer: C       Reference: Sound Cards                                                         Difficulty: Easy
45.         Which of the following will NOT make your system more reliable?
A.     installing the latest version of the software.
B.     adding an expansion hub.
C.     installing new patches as they become available.
D.     checking for and installing bug fixes.
Answer: B       Reference: Evaluating System Reliability                                Difficulty: Easy
46.         Connecting to the Internet using a cable modem is best accomplished via a(n) ____________ port.
A.     serial
B.     USB 1.1
C.     FireWire
D.     Ethernet
Answer: D       Reference: Evaluating Port Connectivity                                 Difficulty: Easy
47.         Which of the following statements is FALSE concerning CPUs?
A.     Replacement CPUs are expensive but reasonably easy to install.
B.     All CPUs are interchangeable.
C.     Replacement CPUs must be compatible with the motherboard.
D.     Upgrading the CPU affects only the processing portion of the system performance.
Answer: B       Reference: Upgrading Your CPU                                            Difficulty: Moderate


48.         Another term for IEEE 1394 is:
A.     IrDA.
B.     USB.
C.     FireWire.
D.     Bluetooth.
Answer: C       Reference: Evaluating Port Connectivity                                 Difficulty: Challenging
49.         Which of the following statements concerning Bluetooth is FALSE?
A.     Bluetooth requires a clear line of sight.
B.     The maximum distance between two devices that Bluetooth supports is 30 feet.
C.     Bluetooth technology uses radio waves.
D.     Bluetooth is a good solution for short-distance connections such as wireless keyboards.
Answer: A       Reference: Evaluating Port Connectivity                                 Difficulty: Challenging

 

Fill in the Blank:


50.         The series of steps the CPU goes through, every time it performs a program instruction, is called a(n) ____________.
Answer: machine cycle           Reference: Evaluating the CPU Subsystem                 Difficulty: Challenging
51.         The speed of newer CPUs is measured in ____________.
Answer: gigahertz (GHz)         Reference: Upgrading Your CPU                                Difficulty: Easy
52.         Your system is considered ____________ if it is limited in how fast it can send data to the CPU because there is not enough RAM installed.
Answer: memory-bound         Reference: Virtual Memory                                        Difficulty: Moderate
53.         The memory that your operating system uses is referred to as ____________.
Answer: kernel memory          Reference: Evaluating RAM: The Memory Subsystem           Difficulty: Challenging
54.         The ____________ in the CPU coordinates the activities of all the other computer components.
Answer: control unit               Reference: Evaluating the CPU Subsystem                 Difficulty: Moderate
55.         Logic and comparison decisions, such as comparing items to determine if one is greater than, less than, equal to, or not equal to another, is the job of the ____________ in the CPU.
Answer: arithmetic logic unit (ALU)   Reference: Evaluating the CPU Subsystem     Difficulty: Moderate
56.         The ____________ of the hard disk drive is expressed in either megabits or megabytes.
Answer: data transfer rate       Reference: The Hard Disk Drive                                 Difficulty: Challenging
57.         Rented storage that is accessible from any Web browser is known as____________.
Answer: online storage            Reference: Bits and Bytes: Store It Online                  Difficulty: Moderate
58.         When using virtual memory, your system builds a file called a(n) ____________.
Answer: page file                    Reference: Virtual Memory                                        Difficulty: Moderate
59.         When the read/write heads and/or dust particles make contact with the platter this is known as a(n) ____________.
Answer: head crash                 Reference: Dig Deeper: How a Hard Disk Drive Works         Difficulty: Moderate
60.         Most monitors sold today support the ____________ technology, meaning that once you have connected the new monitor to your system and booted up Windows will automatically recognize the monitor and configure it to work with your system.
Answer: Plug and Play            Reference: Monitors                                                   Difficulty: Easy
61.         A ____________ is an interface through which external devices are connected to your computer.
Answer: port                           Reference: Evaluating Port Connectivity                     Difficulty: Easy
62.         The ____________ are the concentric circles formed on a hard disk drive through low-level formatting.
Answer:   tracks                      Reference: Did Deeper: How a Hard Disk Drive Works         Difficulty: Moderate
63.         Because floppy disks and Zip disks use magnetized film to store data, they are referred to as ____________ media.
Answer:  magnetic      Reference: Portable Storage Options: The Floppy and Beyond           Difficulty: Moderate
64.         The ____________ port is generally used for printers and transfers data between devices in groups of bits.
Answer:   parallel                    Reference: Evaluating Port Connectivity                     Difficulty: Moderate
65.         Because CDs and DVDs use a laser to read and write data, they are referred to as ____________ media.
Answer:  optical          Reference: Portable Storage Options: The Floppy and Beyond           Difficulty: Moderate
66.         Video card memory is known as ____________.
Answer: VRAM                      Reference: Video Cards                                              Difficulty: Easy
67.         A monitor’s ____________ is the number of times per second that its pixel illumination is recharged.
Answer: refresh rate                Reference: Monitors                                                   Difficulty: Easy
68.         A flash drive fits into the ____________ port only one way.
Answer: USB               Reference: Bits and Bytes: Taking Care of Flash Drives        Difficulty: Moderate
69.         A(n) ____________ port allows the transfer of data, one bit at a time, over a single wire at speeds of up to 56 Kbps.
Answer: serial                         Reference: Evaluating Port Connectivity                     Difficulty: Moderate
70.         A(n) ____________ port is a port that allows you to connect electronic musical instruments (such as synthesizers) to your computer.
Answer: MIDI                         Reference: Evaluating Port Connectivity                     Difficulty: Moderate
71.         A(n) ____________ port uses infrared light waves to wirelessly transmit data.
Answer: IrDA                         Reference: Evaluating Port Connectivity                     Difficulty: Moderate
72.         A(n) ____________ is a sequence of peripheral devices, each connected to the other through USB ports, with the last one connected directly to the computer.
Answer: daisy chain                Reference: Adding Ports: Expansion Cards and Hubs             Difficulty: Challenging
73.         ____________technology uses radio waves to transmit data over short distances.
Answer: Bluetooth                  Reference: Evaluating Port Connectivity                     Difficulty: Moderate
74.         Programs located in the Startup folder run every time your computer ____________.
Answer: reboots                      Reference: Evaluating System Reliability                    Difficulty: Moderate
75.         The ____________ utility reorganizes the files on the hard disk, improving the efficiency of the hard drive.
Answer: Disk Defragmenter    Reference: Evaluating System Reliability                    Difficulty: Moderate


True and False:

76.         When purchasing a monitor, a low dot pitch is preferable.
Answer: True                          Reference: Monitors                                                   Difficulty: Moderate
77.         The Intel series of processors that can work on two separate sets of instructions at the same time (in parallel) are known as Core Duo processors.
Answer: True                          Reference: Upgrading Your CPU                                Difficulty: Moderate
78.         The number of times per second the illumination of each pixel is recharged is the refresh rate.
Answer: True                          Reference: Monitors                                                   Difficulty: Easy
79.         IDE is a type of port.
Answer: False (hard drive)      Reference: The Hard Disk Drive                                 Difficulty: Moderate
80.         To check the total capacity of the hard drive, double-click the My Computer icon, right-click the C drive icon, and select Properties from the shortcut menu.
Answer: True                          Reference: The Hard Disk Drive                                 Difficulty: Moderate
81.        Hard disk drives, CD drives, DVD drives, and floppy disk drives are all examples of volatile storage devices.
Answer: False (permanent)     Reference: Evaluating The Storage Subsystem            Difficulty: Easy
82.         The Performance tab of the Windows Task Manager shows how much physical memory is installed in the system.
Answer: True                          Reference: Evaluating RAM: The Memory Subsystem           Difficulty: Moderate
83.         The hard disk drive is the fastest of all permanent storage devices.
Answer: True                          Reference: The Hard Disk Drive                                 Difficulty: Easy
84.         Processor speed is measured in machine cycles per second.
Answer: True                          Reference: Evaluating the CPU Subsystem                 Difficulty: Moderate
85.        Running Disk Defragmenter is a quick and easy way to delete temporary Internet files that have accumulated on the hard drive.
Answer: False (Disk Cleanup) Reference: Evaluating System Reliability                    Difficulty: Moderate
86.        In addition to running your regular antivirus program, it is recommended that you run antispyware and antiadware programs.
Answer: True                          Reference: Evaluating System Reliability                    Difficulty: Easy
87.        Using expansion hubs is a good way to enable your computer to support more USB and FireWire devices.
Answer: True                          Reference: Adding Ports: Expansion Cards and Hubs Difficulty: Easy

88.         The FireWire port is used to connect your computer to a local network or cable modem.
Answer: False (Ethernet)         Reference: Evaluating Port Connectivity                     Difficulty: Moderate

Matching:


89.         Match the following acronyms to their descriptions:
            I.    IDE                        A. type of memory module
            II.   ALU                      B. memory for graphics display
            III. VRAM                   C. port for wireless data transmission
            IV. IrDA                      D. type of hard disk drive
            V.  DIMM                    E. CPU component that performs mathematical operations
Answer: D, E, B, C, A             Reference: Multiple locations in chapter                     Difficulty: Easy

90.         Match the following terms to their meanings:
            I.    seek                       A. measurement of machine cycle speed
            II.   latency                   B. measurement of pixel color representation capability
            III. hertz                      C. measurement of data transfer rate
            IV. bit depth                D. time to wait for disk to spin to proper position
            V.  bps                         E. time to wait for disk arm to position to proper track
Answer: E, D, A, B, C             Reference: Multiple locations in chapter                     Difficulty: Challenging






91.         Assume that you have one port of each type specified. Match each device listed with the most appropriate port, given this limitation:
            I.    56K modem           A. USB 1.1
            II.   printer                    B. FireWire
            III. mouse                    C. Ethernet
            IV. camcorder              D. serial
            V.  cable modem         E. parallel
Answer: D, E, A, B, C             Reference: Evaluating Port Connectivity (Figure 6.29)           Difficulty: Challenging

92.         Match the following terms to their meanings:
            I.    control unit            A. measure of virtual memory dependence
            II.   daisy chain            B. CPU component
            III. format                    C. sequence of peripheral devices connected via ports
            IV. amplified               D. establish tracks and sectors on a disk
            V.  PF usage                E. type of speaker requiring external power source
Answer: B, C, D, E, A             Reference: Multiple locations in chapter                     Difficulty: Moderate

93.         Match the following terms to their meanings:
            I.    tracks                     A. binary digits
            II.   sectors                   B. a hard drive is composed of several of these stacked onto a spindle
            III. bits                         C. the time it takes a storage device to locate and retrieve stored data
            IV. platters                   D. concentric circles on a hard drive
            V.  access time            E. pie-shaped wedges on a hard drive
Answer: D, E, A, B, C             Reference: Multiple locations in chapter                     Difficulty: Moderate



94.         Match the following storage media to their capacity:
            I.    floppy disk            A. 9.4 GB
            II.   Zip disk                 B. 1.44 MB
            III. CD                         C. 128 MB to 8 GB (and up)
            IV. DVD                      D. 100 MB to 750 MB
            V.  flash memory        E. 700 MB
Answer: B, D, E, A, C             Reference: Figure 6.20 Portable Storage Capacities    Difficulty: Challenging

95.         Match the following acronyms with their definitions:
            I.    VRAM                   A. a rewritable compact disk
            II.   CRT                       B. memory resident on video cards
            III. LCD                       C. a type of display similar to a TV
            IV. GB                         D. a type of display with a small footprint
            V.  CD-RW                  E. one billion bytes
Answer: B, C, D, E, A             Reference: Multiple locations in chapter                     Difficulty: Easy

96.         Match the following ports to their data transfer speeds:
            I.    Serial                     A. 480 Mbps
            II.   Parallel                   B. 56 Kbps
            III. USB 2.0                 C. 12 Mbps
            IV. FireWire 800          D. 10 Mbps–100 Mbps
            V.  Ethernet                 E. 800 Mbps
Answer: B, C, A, E, D             Reference: Figure 6.33 Ports and Their Uses              Difficulty: Challenging



97.         Match the following acronyms with their definitions:
            I.    FAT                       A. speed at which data is transferred
            II.   Mbps                     B. fast becoming the most common port on computers today
            III. USB                       C. an interface used to connect musical instruments
            IV. MIDI                      D. Institute of Electrical and Electronics Engineers
      V.  IEEE                      E. the name of the catalog that the computer uses to keep track of where each                                        file is located on the hard drive
Answer: E, A, B, C, D             Reference: Multiple locations in chapter                     Difficulty: Easy

98.         Match the following terms to their meanings:
            I.    Bluetooth               A. also known as Fast Ethernet
            II.   100Base-T             B. transmits data between devices using infrared light waves
            III. IrDA                      C. Ethernet with a transfer rate of up to 1,000 Mbps
            IV. Gigabit Ethernet     D. previously called the IEEE 1394 port
            V.  FireWire                 E. uses radio waves to send data over short distances
Answer: E, A, B, C, D             Reference: Evaluating Port Connectivity         Difficulty: Moderate

99.         Match the following terms to their meanings:
            I.    nanosecond           A. “machine cycles per second”
            II.   hertz                      B. portable devices also known as thumb drives
            III. flash drives            C. memory used by the operating system
            IV. kernel memory      D. one-thousandth of a second
            V.  millisecond            E. one-billionth of a second
Answer: E, A, B, C, D             Reference: Multiple locations in chapter         Difficulty: Moderate



100.     Match the following terms to their meanings:
            I.    GHz                       A. standard adopted by the music industry that transfers data at a rate of 31.5                                                           Kbps
            II.   RJ-45 jack             B. technical name for an Ethernet port
            III. WiFi                       C. wireless transmission standard that transfers data up to 54 Mbps
            IV. MIDI                      D. one billion cycles per second
            V.  expansion hub       E. a device that connects to one port and provides four or eight new ports
Answer: D, B, C, A, E             Reference: Evaluating Port Connectivity         Difficulty: Moderate




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