Deck 8: Multimedia Devices

Question 1

On a CD, the area that separates the pits is a mountain.

Answer 1

False

Question 2

When scanning a document, you should consider whether the output is going to a monitor or a printer.

Answer 2

True

Question 3

OCR software that comes with scanners allow the scanner to read barcodes.

Answer 3

False

Question 4

A barcode reader is a type of scanner.

Question 5

DVD drives combine audio and video entertainment with backward compatibility with CDs.

Question 6

If an optical drive uses the PATA IDE interface, the drive must be an internal unit.

Question 7

An optical drive headphone jack plays audio CDs as well as a stereo.

Question 8

A piece of software that allows the operating system to communicate with an optical drive is a device driver.

Question 9

Device Manager is selected from the System control panel to update sound drivers.

Question 10

Some optical drives can write to both Blu-ray discs and DVD-RW discs.

Question 11

An optical drive that has a 400ms access speed is faster than one with a 250ms access speed.

Question 12

A 48X optical drive is faster than a 52X drive.

Question 13

Optical drives are slower than hard drives.

Question 14

An optical drive connected to a PATA IDE motherboard connector can play sound through a sound card with no additional connectivity.

Question 15

Glass cleaner found at any grocery store can be sprayed onto a cloth and then used to clean a scanner plate.

Question 16

DVD+R drives can use both sides of the disc.

Question 17

An optical drive random access time specification is the time it takes to find specific data.

Question 18

On a CD, a pit is an indentation along the spiral track.

Question 19

All optical drives have a self-cleaning laser lens.

Question 20

The MIDI interface can be used to create synthesized music.

Question 21

Integrated tablet microphones are enabled/disabled through the Settings/General Settings icon.

Question 22

Laptop speakers are commonly found along the side of the laptop.

Question 23

A technician has been asked to install a new PATA CD/DVD drive in a tower computer that currently has two PATA hard drives already installed. One hard drive is configured as primary master and is located in the bay closest to the motherboard. The second drive is configured as secondary master and is in the bay above the first hard drive. The only available bay is above the second drive and the only cable that will reach is the one that goes to the second hard drive. How will the technician configure the drive?

A) As secondary slave
B) As primary secondary
C) As secondary master
D) As primary slave

Question 24

A classification method used for optical drives that is based on multiples of a standard transfer rate is called

A) Average seek time
B) Average access time
C) X factor
D) Buffering rate
E) None of these answers are true.

Question 25

A customer with an older computer that has not had any hardware upgrades wants to install a newer, faster optical drive. What would you advise?

A) The customer should purchase the fastest drive that uses minimal hard drive caching.
B) The newer, the faster, the better.
C) An external drive is always better for older machines.
D) A faster drive may not help because the system resources may limit its performance.
E) None of these are advice you should give.

Question 26

When an optical drive is writing and the drive does not receive a continuous stream of data, the disc is ruined. This is known as

A) An overflow error
B) A refresh rate error
C) A conflict error
D) A buffer underrun error
E) None of these answers describe this problem.

Question 27

Which part of the optical drive is responsible for reading information?

A) Laser lens
B) Laser cathode
C) Prism
D) Reflective coating

Question 28

Joe Technician walks into a customerʹs office. Betty Fixerup had been there the day before and the computer still did not work. Joe tells the customer that Betty didnʹt go to the same school that he went to and didnʹt get much hands-on training, but that he would get things fixed. This attitude is an example of being reactive.

Question 29

Jose, the service technician, is replacing a CD/DVD drive. The drive is not recognized in BIOS or the operating system. What is the most likely problem?

A) Bad cable
B) Bad drive
C) Jumper configuration
D) Outdated or missing driver

Question 30

Adjust sound on an Apple iPad by using the General Settings icon.

Question 31

How can you test if the scanner glass is adequately clean?

A) Shine a light on the scanner glass. If it reflects the light properly, the scanner is clean.
B) Print a test page from the scanner properties.
C) Load and scan a document that has both graphics and text.
D) Use the scanner with no document loaded on the glass.

Question 32

The average number of hours before a device is likely to fail is called the .

A) MTBF Mean Time Between Failures
B) DFR Documented Failure Rate
C) EFR Expected Failure Rate
D) AFR Average Failure Rate
E) None of these describe this feature.

Question 33

Which of the following is a method that optical drive manufacturers have used to increase transfer rates?

A) Increasing RAM on video cards
B) Adding buffer memory within the drive
C) Minimizing hard drive caching because the CD-ROM is faster
D) By reducing the allowable colors and resolution for video
E) None of these are methods used for this purpose.

Question 34

Laptops with Windows Vista/7 installed support wireless sound connectivity, but not Windows XP.

Question 35

Which interface would be the fastest to use to transfer photos from a camera to a Windows XP-based PC if the camera has two ports?

A) USB 2.0
B) IEEE 1394
C) eSATA II
D) IEEE 1496

Question 36

Sound cards require a device driver.

Question 37

A customer wants to install an optical drive to back up large amounts of data. Which media is best suited for this task?

A) DVD+RW
B) Blu-ray
C) Magneto-optical
D) DVD-R DL

Question 38

Which of the following is FALSE?

A) An optical drive with a 200ms access speed is faster than one with a 90ms access speed.
B) Optical drives are slower than hard drives.
C) The data on a single -sided disc is found on the side opposite the label.
D) Optical drives can be external devices.
E) All these answers are true.

Question 39

Laptops include sound integrated into the motherboard.

Question 40

Ralph is seen talking to a secretary and is overheard saying, ʺ…just not fair. I am not going to close any help-desk problems today. If he doesnʹt have to do any work, I am not doing any.ʺ Ralphʹs comments are an example of him

A) Having a bad attitude
B) Being realistic
C) Being reactive
D) Being proactive
E) Having poor communication skills

Question 41

Which of the following is an advantage of a SCSI interface over an IDE interface for CD and DVD drives?

A) Price
B) Availability
C) Expandability
D) Ease of replacement

Question 42

Which Windows tool would be used to verify that an optical drive is recognized by the system?

A) BIOS
B) Device Manager
C) Disk Management
D) Services

Question 43

What is the DVD Region Code for the USA and Canada?

A) 0
B) 2
C) 3
D) 6
E) None of these codes are for the United States and Canada.

Question 44

Which technique is NOT recommended when explaining a repair procedure you are about to perform to a computer?

A) Limit the amount of technical information given to the customer to what they need to know.
B) Draw a diagram to explain the problem.
C) Use accepted industry terms to explain the problem and solution.
D) Stay focused on explaining the issue at hand.
E) Use an analogy to explain the process.

Question 45

Although more expensive, to increase disk capacities, CD and DVD drive manufactures may someday switch from laser technology to laser technology.

A) blue-violet; red
B) white; blue
C) red; blue-violet
D) yellow; green

Question 46

Blu-ray drives use a laser.

A) Blue-violet
B) Red
C) Infrared
D) Infrablue

Question 47

Your disc will not eject from the CD/DVD drive even though you have pushed the eject button several times. What is your next step?

A) Replace the drive.
B) Remove the drive, remove the drive cover, and use a small screwdriver to push the CD out the front.
C) Use a paper clip and the emergency eject hole.
D) Remove the computer power connector and reattach; then retry ejecting the disc.

Question 48

Which of the following is FALSE?

A) CDs have a protective coating to protect the data storage and may function with a small amount of dirt or light scratches.
B) A CD cleaning cloth should be used in a circular motion.
C) Some CD drives have a self -cleaning laser lens.
D) Some DVD-R disks can use two sides.

Question 49

Software used to communicate between the operating system and an optical drive is called

A) Application software
B) A patch
C) A service pack
D) A device driver

Question 50

What diagnostic tool is used for troubleshooting multimedia devices and drivers?

A) Video Manager
B) Device Manager
C) DirectX
D) Disk Management

Question 51

When inserting a disc into an optical drive, handle the disc by .

A) The sleeve
B) Holding the disc protect notch
C) The edge
D) Using the case

Question 52

The ODD activity light flashes slowly and continuously, and the drive seems to act more sluggish. What is the most likely problem?

A) The drive has a dirty laser lens or disc.
B) The drive is going bad.
C) The drive should be configured as master instead of slave.
D) The buffers need to be flushed.
E) The cache memory needs to be upgraded on the drive.

Question 53

DVD-9 has a storage capacity of

A) 4.7 GB
B) 8.5 GB
C) 9.4 GB
D) 17.1 GB

Question 54

Which of the following is NOT an available interface for CD and DVD drives?

A) SCSI
B) IDE
C) USB
D) MIDI

Question 55

What normally connects to an orange speaker port?

A) Center speaker or subwoofer
B) Left speaker
C) Microphone
D) Analog input

Question 56

What term is used to describe the number of samples a sound card takes to create the reproduction of the original sound?

A) Analog-to-digital conversion rate
B) Power rating
C) Frequency response
D) Signal to noise ratio

Question 57

What part of a speaker cancels out the magnetic interference and keeps the interference away from other devices?

A) Power rating
B) Frequency response range
C) Shielding
D) Insulation

Question 58

For internal optical drives, what is the most common type of internal interface found today?

A) SCSI
B) IDE
C) USB
D) Firewire
E) SAS

Question 59

Which of the following is NOT a factor in writing backup data to an optical disc?

A) The amount of buffering in the drive
B) The available hard drive space
C) The amount of RAM in the computer
D) The amount of memory on the video adapter

Question 60

Which interface cannot be used for an external CD/DVD drive?

A) USB
B) SCSI
C) IEEE 1394
D) PATA

Question 61

USB speakers have the advantage of reducing the opportunity for interference. What is the potential drawback?

A) They are slow and likely to produce lags in the music.
B) They require more work from the CPU.
C) They must remain close to the computer.
D) They are expensive.

Question 62

A CD does not work in a computer. What is the first thing you should try in this situation?

A) Replace the optical drive.
B) Replace the cable.
C) Use the DirectX diagnostics tool.
D) Try the disc in another machine or try another CD in this computer.
E) Use the Windows Games and Multimedia Troubleshooter link.

Question 63

What is the DVD required sampling rate for audio output?

A) 20KHz
B) 22KHz
C) 44KHz
D) 48KHz
E) None of the above

Question 64

You insert a CF card into an attached memory card reader. No drive letter appears in Windows Explorer. What will you do?

A) Use Task Manager to kill the application.
B) Use an extended paper clip to manually eject the media card.
C) Re-attach the card reader if it is an external one or restart the computer.
D) Check to ensure the Memory Services service is enabled or started.

Question 65

To prevent viewing from a Web cam, with many of them you have to .

A) Attach to a S/PDIF port.
B) Use the ʺBlankʺ button on the VoIP phone.
C) Use the visor.
D) Turn the camera around.

Question 66

You have just installed an internal ODD. When you open Windows Explorer, no drive letter is assigned to the drive. What will you do next?

A) Replace the drive.
B) Partition the drive.
C) Format the drive.
D) Check cables and jumpers.
E) Replace the cable.

Question 67

What is the frequency response for 16-bit sound cards used with a CD/DVD drive?

A) 10KHz
B) 22KHz
C) 20KHz
D) 44KHz

Question 68

What Windows XP option, when enabled, allows sound to be output through the cable attached between the CD/DVD drive and the motherboard?

A) CCDA
B) Playback control
C) S/PDIF
D) Software decoder

Question 69

What are the two most common digital camera file storage formats?

A) GIF and TIFF
B) JPEG and TIFF
C) IMG and PIC
D) TWAIN and IMG
E) GPH and PCX

Question 70

What is the process called that canceled out the magnetic interference with speakers and other devices?

A) Shielding
B) Buffering
C) Insulating
D) RMS

Question 71

What frequency is at the upper end of the human hearing range?

A) 20Hz
B) 10KHz
C) 20KHz
D) 44KHz

Question 72

If sound is not coming from the computer with an audio CD inserted, what is the first thing you should check?

A) Audio cable from sound card
B) Muted playback setting
C) Internal ribbon cable attachment
D) Speaker power

Question 73

When installing a sound card on a motherboard that has built -in sound capability, what should you do before you install the sound card?

A) Nothing if the sound card is PnP.
B) Disable the onboard sound.
C) Attach a cable from the sound card to the motherboard sound ports.
D) Upgrade the motherboard.
E) Upgrade the motherboard BIOS.

Question 74

Which of the following is NOT a file extension for a purely audio file?

A) )MID
B) )WAV
C) )MP3
D) )AVI

Question 75

Which of the following statements is FALSE?

A) DVDs require a 48KHz sampling rate.
B) An optical drive connected to a PATA IDE motherboard connector may also be able to connect to the sound card and play sounds using it.
C) Audio CDs played through a headphone jack on the front of an optical drive are as good as stereo.
D) Sound cards require a device driver.

Question 76

A customer comes into the computer store where you are working looking for a cable with which you are unfamiliar. The best course of action is for you to ____.

A) Tell the customer you do not know what that is.
B) Ask the customer to explain to you the purpose of the cable.
C) Tell the customer there is no such cable.
D) Refer the customer to the service desk.
E) Ask your supervisor for assistance.

Question 77

What does having a 16-bit sound card mean?

A) Sampling is done using 16 bits.
B) 16 bits at a time are sent to the processor.
C) 16 bits at a time are sent to the speaker.
D) 16 bits are used for digitizing video signals.

Question 78

For speakers, amplification is measured in ...:

A) Amps
B) Watts
C) KHz
D) Volts

Question 79

Digital cameras resolutions are measured in .

A) mHz
B) PPS
C) Photosensors
D) Megarounds
E) None of the above

Question 80

After installing a new set of speakers, you play an audio CD and no sound is emitted. What is the basic first thing to check?

A) Check the external power cord for the speakers if applicable.
B) Check the cabling for the speakers.
C) Makes sure the sound is not muted from the computer's Play Control.
D) Check to see whether the sound cardʹs driver is installed and enabled.