Question | Answer |
The goal of multimedia technology is to | Use sights, sounds, animation to make computer output look as much like real life as possible |
The difference between computers and real life is | Computers: store data digitally. Sights and sounds: use analog methods |
A sound card (an expansion card with sound ports) or onboard sound(sound ports embed-ded on a motherboard) can | record sound, save it in a file on your hard drive, and play it
back and some give you the ability to mix and edit sound, and
even to edit the sound using standard music score notation. |
________use and build on surround sound technologies | TrueHD and Dolby Digital |
Three popular variations of surround sound are | 5.1, 7.1 and 9.1 |
The 9.1 surround standard can support up to | 10 separate sound channels of sound information for up to 10 different speakers, each producing different sound. |
If you are using a single speaker or two speakers with a single sound cable, connect the cable to the | green sound port on the motherboard, which is usually the middle port. |
Sound Blaster-compatible sound cards, meaning that they | Understand commands written for Sound Blaster card |
some cards have internal input connectors to connect to | CD, DVD drive or TV Tuner card so that analog or digital sound bypasses the CPU |
After the sound is recorded
and digitized, many sound cards convert and compress the digitized sound to | MP3 format |
MP3 sound files have an_______ file extension | .mp3 |
Common file extensions for
raw, uncompressed sound files are | .wav and .aif |
A________can turns your computer into a television and port receives TV cable input and allows television viewing on computer monitor. Analog TV signal is converted to digital. | TV tuner card |
A_________lets you captures this video input and saves it to a file on your hard drive. | Video capture card |
Some cards or combo cards are a combination TV tuner card and video capture card, making possible for you to receive | television input and save that input to your hard drive. |
A________might also serve as your video card. | high-end TV tuner/video capture card |
To use notebook to watch TV and capture live TV, | plug in a TV coaxial cable(coax)to the RF adapter, then plug the adapter into the antenna mini-jack on the laptop |
To help you select a video capture card, look for these features on the card: | Input and output ports offered. Type of slot required. Data-processing abilities. Software bundled with the card. System requirements. Ability to transfer data back to a digital camcorder. |
Features to consider with TV tuner cards: | Instant replay and program scheduling abilities. Input ports for coaxial cable TV, TV antenna, video equipment, and game boxes. Ability to handle analog and digital input signals. TV or VCR port for output. Remote control. External device may be used. |
DVD and CD technologies use patterns of | tiny lands and pits on the surface of a disc to represent bits, which a laser beam can then read. This is why they are called optical storage technologies |
Compact disc (CD) drives use the | CDFS(Compact Disc File System) or the UDF (Universal Disk Format) file system. |
DVD (Digital versatile disc or digital video disc)drive use the newer | UDF file system |
The latest optical storage technology is | Blue-ray Disc (BD) which uses the UDF version 2.5 file system. |
_________is an optical storage technology that, at one time, competed with Blu-ray, but is now obsolete. | HD DVD |
How Data Is Read and Written To Optical Discs? | Data written using laser beam. Data burned (etched) with lands (1) and pits (0). Acrylic surface added to protect the data. |
______are smooth and level areas | Lands |
______are recessed areas on the surface; each represents either a 1 or a 0, respectively. | Pits |
CDs and DVDs use | red laser beams |
DVD laser beam wavelength is | shorter than CD |
Shorter wavelength allows a more | accurate beam this accuracy means that more data can be stored on a DVD than on a CD |
Blu-ray uses a blue laser beam, which is shorter than any red beam, allowing | Blu-ray technology stores more data than a DVD |
Data written to one side | CD |
Data written on one or both sides | DVD or Blu-ray disc |
________is laid out as one continuous spiral of sectors of equal length that
hold equal amounts of data. | Data on an optical disc |
In order to read each sector on the spiral at a__________, the disc spins faster when the read-write head is near the center of the disc. | constant linear velocity (CLV) |
How Much Data Can Be Stored On CD Discs? | 700 MB of data |
How Much Data Can Be Stored On Single-sided, single-layer DVD? | 4.7 GB |
How Much Data Can Be Stored On Single-sided, dual-layer DVD? | 8.5 GB |
How Much Data Can Be Stored On Double-sided, single-layer DVD? | 9.4 GB |
How Much Data Can Be Stored On Double-sided, dual-layer DVD? | 17 GB |
How Much Data Can Be Stored OnDouble-sided, single-layer BD? | 25 GB |
How Much Data Can Be Stored On Double-sided, dual-layer BD? | 50 GB |
You can tell the difference between a CD and a CD-R or CD-RW disc by the color of the bottom of
the disc. CD-R and CD-RW discs are | blue, black, some other color |
You can tell the difference between a CD and a CD-R or CD-RW disc by the color of the bottom of
the disc. Read-only CDs
are | silver |
Optical drive selection considerations | Interface. Disc standards supported. Read, write-once, and rewriteable speeds. Ability to burn labels on the top of a disc |
One more feature that you might look for in an optical drive is the ability to burn labels
on the top of a disc. Two competing technologies for this purpose are | Labelflash and LightScribe |
When purchasing a CD-R/RW drive, know that some CD-RW drives can also read a DVD. These drives are called | combo drives, |
Another way to print labels on a disc is to | Use a permanent felt-tip marker. Print using special discs with white paper like surface |
Precautions when handling CDs, DVDs, and BDs | Use a clean, soft, dry cloth to remove dust. Do not paste paper on the surface, subject disc to heat, make the center hole larger, bend disc, or drop disc. Use emergency eject hole to remove a stuck disc |
Most problems with CD, DVD, and BD discs are caused by | dust, fingerprints, scratches,
surface defects, or random electrical noise |
Removable Storage external or internal device advantages | Increases overall storage capacity of a system. Makes it easy to move large files from one computer to another. Serves as a convenient medium for making backups of hard drive data. Makes it easy to secure important files. |
USB flash drives currently for sale range in size from | 128 MB to 256 GB |
Before you remove the flash drive from the PC, double-click the | Safely Remove Hardware icon
in the notification area and click Stop |
Tape Drives | Offer inexpensive, high capacity storage. Use backup software to manage backups. |
The biggest disadvantage of using tape drives is that data is stored on tape by | sequentially access (Makes file retrieval slow and inconvenient) |
Tape drives accommodate one of two kinds of tapes: | Full size data cartridges and Smaller mini-cartridges. |
The more common types of tape cartridges: | DDS-1, DDS-2, DDS-3, and DDS-4(HOLD 20 GB OR 40 compressed data) LTO Ultrium 3(hold 400 GB OR 800 GB compressed) |
_____is a common compression standard for storing photos have a .jpg file extension. | JPEG |
A high-end camera might support the uncompressed file format larger than JPEG files, retain more image information and give better results when printing photographs is called | TIFF (Tagged Image File Format) |
__________is a method of digitally describing and storing every individual note played by each individual instrument used in making music. | MIDI (Musical instrument digital interface) |
A_________is a 5-pin DIN port that look likes a keyboard port, only larger. | MIDI port |
Many ways to connect a musical instrument to a PC using the MIDI standards: | MIDI to MIDI, MIDI to USB, USB to USB, and USB to MIDI |
Installing MIDI Devices | Install the software to manage the music. Connect the instrument. Use software menu to select type of instrument connected. Use the software to download music to the instrument or input digitized music from the instrument to the PC. |
A____________provides slots for memory cards and can be an internal or external device. | media reader (called a reader or memory card reader/writer) |
Error experienced after installation a Media Reader. | Verify data cable seated securely. Check Device Manager for errors. Try the reader in a different port. Try the reader on a different computer. |
For an EIDE Drive, there are four choices for drive installations: | Primary master, primary slave, secondary master, and secondary slave |
A CD drive that shares a cable with a hard drive can | slow down the hard drive’s performance |
The DVD drive has two connectors
for audio | 4-pin connector: for analog sound and 2-pin connector: for digital sound |
Troubleshooting guidelines installation causes problems with Optical Drives | Check drive data cable and power cord connections. Use device manage to verify drive. SCSI drive: check for proper IDs. Download updates to Windows. Suspect a boot virus, Scan system for viruses. |
Problems with EIDE drive | Check master/slave jumper setting. Check if IDE connection on the motherboard disabled in BIOS setup |
When trying to burn a CD, DVD, or BD, sometimes Windows refuses to perform the burn
or the burned disc is not readable. Here are some things that might go wrong and what to
do about them: | Make sure disc capacity is not exceeded. Ensure hard drive has at least 1 GB free space. Close other programs before beginning(to prevents interruptions)Try a different brand of discs or Try using a slower burn rate. |
When a removable storage device does not work, do the following: | Verify data cable solidly connected to the port. Verify device in Device Manager. Update device drivers for the motherboard. Verify power cord connected to the hub. Try a different port and/or computer. Check for a loose connection. |
As with troubleshooting any adapter card, try the easy things first. Here are a few tips: | Verify card with Device Manager.Verify peripherals are connected and working.Verify application software.Read documentation.Try uninstalling and reinstalling the card and software
Try installing the card in Safe Mode. |
Sound can be recorded on a | single channel (mono) or on two channels (stereo) |
Some cards have internal input connectors to connect to a CD or DVD drive or TV Tuner card so that analog or digital sound goes directly from the device to the sound card, | bypassing the CPU |
A technology used by hard drives and newer CD-ROM drives whereby the disk rotates at a constant speed is called | constant angular velocity (CAV) |
A CD-ROM format in which the spacing of data is consistent on the CD, but the speed of the disc varies depending on whether the data being read is near the center or the edge of the disc is called | constant linear velocity (CLV) |
Is a CD is data written in concentric circles or a continuous spiral track? | A continuous spiral track is used with CD or other optical data. Magnetic data uses concentric circles. |
What does the x factor of a drive indicate and what is the specification of one x? | The speed of the drive and one x equals 500 RPM. |