Chapter 6
C. Adding more RAM will not improve system performance.
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.
A. Virtual memory is the space on the hard drive where the operating system begins to store data
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.
B. Volatile
12. ____________ storage refers to storage that loses its data when the power is turned off. A. Permanent B. Volatile C. Nonvolatile D. Virtual
C. nanoseconds.
13. The time it takes a CPU to retrieve data from RAM is measured in: A. milliseconds. B. microseconds. C. nanoseconds. D. picoseconds.
B. access time
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
A. milliseconds.
15. The speed of a hard drive is measured in: A. milliseconds. B. MHz. C. GHz. D. nanoseconds.
A. latency.
16. Rotational delay, on a hard disk drive, is also known as: A. latency. B. seek time. C. access time. D. rpm.
C. 1,000,000 times slower
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
B. size of the page file in virtual memory.
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.
A. resolution.
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.
C. control unit.
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.
D. create tracks and sectors on the magnetic surface.
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.
B. Most sound cards do not include a microphone in port.
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.
A. Read/write heads retrieve and record data to and from the hard disk.
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.
B. Bluetooth 2.0 has a maximum transfer rate of 3 Mbps.
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.
B. tracks and sectors.
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.
D. seek time and latency
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
C. Floppy disk
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
B. VRAM.
27. All of the following should be considered when purchasing a monitor EXCEPT: A. viewing size. B. VRAM. C. refresh rate. D. dot pitch.
C. monitors
28. CRT and LCD are types of: A. ports. B. video cards. C. monitors D. memory.
A. record ->rewrite -> playback.
29. When reporting the speed of a CD-RW drive as 48x12x48, the order of the speeds is: A. record rewrite playback. B. record playback rewrite. C. playback rewrite record. D. playback record rewrite.
A. store data.
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.
C. Flash drives should be removed while the activity LED is lit.
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.
A. Amplified speakers need no external power.
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.
B. video card.
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.
D. permanent storage.
33. All of the following terms apply to random access memory (RAM) EXCEPT: A. volatile storage. B. physical memory. C. DIMMs. D. permanent storage.
A. IrDA
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
D. Bit depth
35. ____________ refers to the number of bits used to represent a pixel. A. Resolution B. Dot pitch C. Refresh rate D. Bit depth
D. Display Properties.
36. Screen resolution is changed in: A. refresh rate mode. B. Add/Remove Programs. C. Performance Properties. D. Display Properties.
A. decrease the size of the images.
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.
B. FireWire 800
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
D. network connections
39. Which of the following can be connected to an RJ-45 jack? A. digital cameras B. mice C. printers D. network connections
D. arithmetic logic unit (ALU)
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)
A. cable modems
40. Which of the following can NOT be connected to a parallel port? A. cable modems B. printers C. Zip drives D. scanners
B. USB
41. ____________ ports are replacing traditional parallel and serial ports. A. Line input B. USB C. RJ-45 D. Ethernet
C. Gigabit Ethernet.
42. All of the following are wireless transmission standards EXCEPT: A. Bluetooth. B. IrDA. C. Gigabit Ethernet. D. WiFi.
D. Dolby 7.1 sound card
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
C. Ethernet port.
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.
B. adding an expansion hub.
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.
D. Ethernet
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
B. All CPUs are interchangeable.
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.
C. FireWire.
48. Another term for IEEE 1394 is: A. IrDA. B. USB. C. FireWire. D. Bluetooth.
A. Bluetooth requires a clear line of sight.
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.
A. machine cycles
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
machine cycle
50. The series of steps the CPU goes through, every time it performs a program instruction, is called a(n) ____________.
gigahertz (GHz)
51. The speed of newer CPUs is measured in ____________.
memory-bound
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.
kernel memory
53. The memory that your operating system uses is referred to as ____________.
control unit
54. The ____________ in the CPU coordinates the activities of all the other computer components.
arithmetic logic unit (ALU)
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.
data transfer rate
56. The ____________ of the hard disk drive is expressed in either megabits or megabytes.
online storage
57. Rented storage that is accessible from any Web browser is known as____________.
page file
58. When using virtual memory, your system builds a file called a(n) ____________.
head crash
59. When the read/write heads and/or dust particles make contact with the platter this is known as a(n) ____________.
C. device.
6. All of the following are considered subsystems EXCEPT: A. CPU. B. memory. C. device. D. storage.
Plug and Play
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.
port
61. A ____________ is an interface through which external devices are connected to your computer.
tracks
62. The ____________ are the concentric circles formed on a hard disk drive through low-level formatting.
magnetic
63. Because floppy disks and Zip disks use magnetized film to store data, they are referred to as ____________ media.
parallel
64. The ____________ port is generally used for printers and transfers data between devices in groups of bits.
optical
65. Because CDs and DVDs use a laser to read and write data, they are referred to as ____________ media.
VRAM
66. Video card memory is known as ____________.
refresh rate
67. A monitor's ____________ is the number of times per second that its pixel illumination is recharged.
USB
68. A flash drive fits into the ____________ port only one way.
serial
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.
B. the CPU executes the instruction and stores it on an external device.
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.
MIDI
70. A(n) ____________ port is a port that allows you to connect electronic musical instruments (such as synthesizers) to your computer.
IrDA
71. A(n) ____________ port uses infrared light waves to wirelessly transmit data.
daisy chain
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.
Bluetooth
73. ____________technology uses radio waves to transmit data over short distances.
reboots
74. Programs located in the Startup folder run every time your computer ____________.
Disk Defragmenter
75. The ____________ utility reorganizes the files on the hard disk, improving the efficiency of the hard drive.
TRUE
76. When purchasing a monitor, a low dot pitch is preferable.
TRUE
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.
TRUE
78. The number of times per second the illumination of each pixel is recharged is the refresh rate.
FALSE (hard drive)
79. IDE is a type of port.
C. random access memory.
8. DRAM, SRAM, and DDR RAM are all types of: A. CPUs. B. read-only memory. C. random access memory. D. operating systems.
TRUE
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.
False (permanent)
81. Hard disk drives, CD drives, DVD drives, and floppy disk drives are all examples of volatile storage devices.
True
82. The Performance tab of the Windows Task Manager shows how much physical memory is installed in the system.
TRUE
83. The hard disk drive is the fastest of all permanent storage devices.
TRUE
84. Processor speed is measured in machine cycles per second.
False (Disk Cleanup)
85. Running Disk Defragmenter is a quick and easy way to delete temporary Internet files that have accumulated on the hard drive.
TRUE
86. In addition to running your regular antivirus program, it is recommended that you run antispyware and antiadware programs.
TRUE
87. Using expansion hubs is a good way to enable your computer to support more USB and FireWire devices.
False (Ethernet)
88. The FireWire port is used to connect your computer to a local network or cable modem.
C. RAM is located in memory modules on the motherboard.
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
II. hertz
A. "machine cycles per second" I. nanosecond II. hertz III. flash drives IV. kernel memory V. millisecond
III. USB 2.0
A. 480 Mbps I. Serial II. ParalleL III. USB 2.0 IV. FireWire 800 V. Ethernet
IV. DVD
A. 9.4 GB I. floppy disk II. Zip disk III. CD IV. DVD V. flash memory
III. mouse
A. USB 1.1 I. 56K modem II. printer III. mouse IV. camcorder V. cable modem
V. CD-RW
A. a rewritable compact disk I. VRAM II. CRT III. LCD IV. GB V. CD-RW
II. 100Base-T
A. also known as Fast Ethernet I. Bluetooth II. 100Base-T III. IrDA IV. Gigabit Ethernet V. FireWire
III. bits
A. binary digits I. tracks II. sectors III. bits IV. platters V. access time
V. PF usage
A. measure of virtual memory dependence I. control unit II. daisy chain III. format IV. amplified V. PF usage
II. Mbps
A. speed at which data is transferred I. FAT II. Mbps III. USB IV. MIDI V. IEEE
IV. MIDI
A. standard adopted by the music industry that transfers data at a rate of 31.5 Kbps I. GHz II. RJ-45 jack III. WiFi IV. MIDI V. expansion hub
II. Parallel
C. 12 Mbps I. Serial II. ParalleL III. USB 2.0 IV. FireWire 800 V. Ethernet
V. flash memory
C. 128 MB to 8 GB (and up) I. floppy disk II. Zip disk III. CD IV. DVD V. flash memory
V. cable modem
C. Ethernet I. 56K modem II. printer III. mouse IV. camcorder V. cable modem
IV. Gigabit Ethernet
C. Ethernet with a transfer rate of up to 1,000 Mbps I. Bluetooth II. 100Base-T III. IrDA IV. Gigabit Ethernet V. FireWire
II. CRT
C. a type of display similar to a TV I. VRAM II. CRT III. LCD IV. GB V. CD-RW
IV. MIDI
C. an interface used to connect musical instruments I. FAT II. Mbps III. USB IV. MIDI V. IEEE
IV. kernel memory
C. memory used by the operating system I. nanosecond II. hertz III. flash drives IV. kernel memory V. millisecond
II. daisy chain
C. sequence of peripheral devices connected via ports I. control unit II. daisy chain III. format IV. amplified V. PF usage
V. access time
C. the time it takes a storage device to locate and retrieve stored data I. tracks II. sectors III. bits IV. platters V. access time
III. WiFi
C. wireless transmission standard that transfers data up to 54 Mbps I. GHz II. RJ-45 jack III. WiFi IV. MIDI V. expansion hub
ALU
CPU component that performs mathematical operations IDE ALU VRAM IrDA DIMM
V. Ethernet
D. 10 Mbps-100 Mbps I. Serial II. ParalleL III. USB 2.0 IV. FireWire 800 V. Ethernet
II. Zip disk
D. 100 MB to 750 MB I. floppy disk II. Zip disk III. CD IV. DVD V. flash memory
V. IEEE
D. Institute of Electrical and Electronics Engineers I. FAT II. Mbps III. USB IV. MIDI V. IEEE
III. LCD
D. a type of display with a small footprint I. VRAM II. CRT III. LCD IV. GB V. CD-RW
I. tracks
D. concentric circles on a hard drive I. tracks II. sectors III. bits IV. platters V. access time
III. format
D. establish tracks and sectors on a disk I. control unit II. daisy chain III. format IV. amplified V. PF usage
I. GHz
D. one billion cycles per second I. GHz II. RJ-45 jack III. WiFi IV. MIDI V. expansion hub
V. millisecond
D. one-thousandth of a second I. nanosecond II. hertz III. flash drives IV. kernel memory V. millisecond
V. FireWire
D. previously called the IEEE 1394 port I. Bluetooth II. 100Base-T III. IrDA IV. Gigabit Ethernet V. FireWire
I. 56K modem
D. serial I. 56K modem II. printer III. mouse IV. camcorder V. cable modem
III. CD
E. 700 MB I. floppy disk II. Zip disk III. CD IV. DVD V. flash memory
IV. FireWire 800
E. 800 Mbps I. Serial II. ParalleL III. USB 2.0 IV. FireWire 800 V. Ethernet
V. expansion hub
E. a device that connects to one port and provides four or eight new ports I. GHz II. RJ-45 jack III. WiFi IV. MIDI V. expansion hub
IV. GB
E. one billion bytes I. VRAM II. CRT III. LCD IV. GB V. CD-RW
I. nanosecond
E. one-billionth of a second I. nanosecond II. hertz III. flash drives IV. kernel memory V. millisecond
II. printer
E. parallel I. 56K modem II. printer III. mouse IV. camcorder V. cable modem
II. sectors
E. pie-shaped wedges on a hard drive I. tracks II. sectors III. bits IV. platters V. access time
I. FAT
E. the name of the catalog that the computer uses to keep track of where each file is located on the hard drive I. FAT II. Mbps III. USB IV. MIDI V. IEEE
IV. amplified
E. type of speaker requiring external power source I. control unit II. daisy chain III. format IV. amplified V. PF usage
I. Bluetooth
E. uses radio waves to send data over short distances I. Bluetooth II. 100Base-T III. IrDA IV. Gigabit Ethernet V. FireWire
D. CPU capacity will double every 18 months
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
bps
measurement of data transfer rate SEEK LATENCY HERTZ BIT DEPTH BPS
hertz
measurement of machine cycle speed SEEK LATENCY HERTZ BIT DEPTH BPS
bit depth
measurement of pixel color representation capability SEEK LATENCY HERTZ BIT DEPTH BPS
VRAM
memory for graphics display IDE ALU VRAM IrDA DIMM
IrDA
port for wireless data transmission IDE ALU VRAM IrDA DIMM
seek
time to wait for disk arm to position to proper track SEEK LATENCY HERTZ BIT DEPTH BPS
latency
time to wait for disk to spin to proper position SEEK LATENCY HERTZ BIT DEPTH BPS
IDE
type of hard disk drive IDE ALU VRAM IrDA DIMM
DIMM
type of memory module IDE ALU VRAM IrDA DIMM
III. flash drives
B. portable devices also known as thumb drives I. nanosecond II. hertz III. flash drives IV. kernel memory V. millisecond
II. RJ-45 jack
B. technical name for an Ethernet port I. GHz II. RJ-45 jack III. WiFi IV. MIDI V. expansion hub
III. IrDA
B. transmits data between devices using infrared light waves I. Bluetooth II. 100Base-T III. IrDA IV. Gigabit Ethernet V. FireWire
I. floppy disk
B. 1.44 MB I. floppy disk II. Zip disk III. CD IV. DVD V. flash memory
I. Serial
B. 56 Kbps I. Serial II. ParalleL III. USB 2.0 IV. FireWire 800 V. Ethernet
I. control unit
B. CPU component I. control unit II. daisy chain III. format IV. amplified V. PF usage
IV. camcorder
B. FireWire I. 56K modem II. printer III. mouse IV. camcorder V. cable modem
IV. platters
B. a hard drive is composed of several of these stacked onto a spindle I. tracks II. sectors III. bits IV. platters V. access time
III. USB
B. fast becoming the most common port on computers today I. FAT II. Mbps III. USB IV. MIDI V. IEEE
I. VRAM
B. memory resident on video cards I. VRAM II. CRT III. LCD IV. GB V. CD-RW