1. How many devices can a single USB host controller theoretically support? A. 63 B. 127 C. 255 D. 256
2. What is the maximum data transfer speed that USB 2.0 can handle? A. 5 Mbps B. 5 Gbps C. 480 Mbps D. 480 Gbps
C. 480 Mbps
3. What is the maximum data transfer speed that USB 3.0 can handle? A. 1.5 Gbps B. 5 Gbps C. 10 Mbps D. 10 Gbps
B. 5 Gbps
4. What type of USB ports and connectors are used for interfacing with a PC? A. Macro ports and micro connectors B. Micro ports and macro connectors C. USB A ports and connectors D. USB B ports and connectors
C. USB A ports and connectors
5. What type of USB cable is especially popular on smartphones? A. FireWire connections B. CODEC connections C. Macro connections D. Micro connections
D. Micro connections
6. On USB 1.1 and 2.0 cables, the A and B ports and connectors use _______________ pins. A. four B. five C. six D. nine
7. What is the maximum cable length allowed by USB 1.1 and USB 2.0 specifications? A. 1.5 meters B. 3 meters C. 5 meters D. 10 meters
C. 5 meters
8. Most root hubs provide _______________ per port. A. 250 mA B. 300 mA C. 400 mA D. 500 mA
D. 500 mA
9. What is another term for FireWire? A. eSATA B. CDFS C. IEEE 1394 D. Thunderbolt
C. IEEE 1394
10. FireWire supports a maximum of _______________ devices. A. 15 B. 63 C. 127 D. 128
11. Thunderbolt 3 uses a USB _______________ connector. A. Type A B. micro-B C. micro-B D. Type-C
12. Thunderbolt 3 offers throughput up to _______________ Gbps at half the power consumption of Thunderbolt 2. A. 10 B. 20 C. 30 D. 40
13. What device is used to scan the chip embedded in devices such as ID badges? A. Smart card reader B. FireWire controller C. USB bridge D. USB reader
A. Smart card reader
14. What is the most common removable storage media used in modern digital cameras? A. Compact flash (CF) unit B. CD ROM C. USB flash drive D. Secure Digital (SD) card
D. Secure Digital (SD) card
15. Digital cameras plug directly into a(n) _______________ port. A. VGA B. USB C. HDMI D. DVI-D
16. The amount of information that a particular camera or camcorder model can capture is expressed in terms of _______________ in the digital world. A. radiants B. pixels C. megapixels D. gigapixels
17. Webcams measure their resolution in _______________. A. radiants B. pixels C. megapixels D. gigapixels
18. Which characteristic of sound refers to its loudness? A. Wavelength B. Frequency C. Amplitude D. Timbre
19. What common file extension refers to the Fraunhoffer MPEG-1 Layer 3 codec? A. MOV B. MIDI C. WAV D. MP3
20. What is the storage capacity of a Secure Digital Extended Capacity (SDXC) card? A. 4 MB to 4 GB B. 4 GB to 32 GB C. 32 GB to 2 TB D. 128 MB to 2 GB
C. 32 GB to 2 TB
21. CDs store data by using _______________ pits burned into a glass master CD with a powerful laser. A. bubble B. synthetic C. wave D. microscopic
22. Why did CD-ROM makers invent the ISO-9660 file system? A. FAT and NTFS formats failed on CD-ROM media. B. CD-ROM makers wanted non-PC devices to read CDs. C. The royalties required by Microsoft and Apple were becoming prohibitive. D. CD-ROM makers wanted to collect royalties with the ISO technology.
B. CD-ROM makers wanted non-PC devices to read CDs.
23. All modern CD-R drives are _______________, such that you can go back and burn additional data onto the CD-R disc until the disc is full. A. multi-CD-Rs B. multiburner drives C. multisession drives D. single-session drives
C. multisession drives
24. The CD-RW format essentially takes CD-media to the functional equivalent of a(n) _______________flash-media drive. A. 650-MB B. 700-MB C. 850-MB D. 4.37 GB
25. Because both CD-R and CD-RW drives require a powerful _______________, making a drive that could burn CD-Rs and CD-RWs became a simple process, and plain CD-R drives disappeared almost overnight. A. disk B. driver C. laser D. light
26. An 8×4×32× CD-RW drive reads at a speed of _______________. A. 4× B. 8× C. 24× D. 32×
27. Virtually all optical drives are _______________-compliant, meaning they plug into the ATA controllers on the motherboard. A. ATAPI B. UDF C. NTFS D. SCSI
28. The highest capacity DVD versions store roughly _______________ of data. A. 8 GB B. 16 GB C. 24 GB D. 32 GB
B. 16 GB
29. Which type of DVD media has a storage capacity of 7.95 GB? A. DVD-5 B. DVD-9 C. DVD-10 D. DVD-18
30. What is the storage capacity of a DVD-18 DVD-ROM? A. 4.37 GB B. 7.95 GB C. 8.74 GB D. 15.90 GB
D. 15.90 GB
31. What group of compression standards are used for both audio and video? A. Microsoft Picture Experts Group (MPEG) B. Monitor Picture Experts Group (MPEG) C. Motion Picture Experts Group (MPEG) D. Moving Picture Experts Group (MPEG)
D. Moving Picture Experts Group (MPEG)
32. DVD-ROM is the DVD-equivalent of the standard _______________ data format. A. CD-RAM B. CD-ROM C. CD-RW D. CD-R
33. What is the storage capacity of a single-layer Blu-ray Disc? A. 7.8 GB B. 25 GB C. 35 GB D. 50 GB
B. 25 GB
34. How much data can a dual-layer Blu-ray disc store? A. 16 GB B. 25 GB C. 50 GB D. 80 GB
C. 50 GB
35. What is the wavelength of Blu-Ray's blue-violet laser? A. 128-nm B. 700-nm C. 650-nm D. 405-nm
36. What are the two Blu-ray Disc writable formats? A. BD-R and BD-RE B. BD-ROM and BD-RW C. BD-R and BD-RW D. BD-RW and BD-RE
A. BD-R and BD-RE
37. Most internal optical drives use _______________ and support the ATAPI standard. A. SATA B. Mini DIN C. DVI-I D. Thunderbolt
38. External optical drives often use USB or _______________ connections. A. DVI-I B. Mini DIN C. Thunderbolt D. VGA
39. What common form factor is used for magnetic tape? A. Linear Tape Open (LTO) B. Logical Tape Open (LTO) C. Linear Tape Organization (LTO) D. Linear Tape Organization (LTO)
A. Linear Tape Open (LTO)
40. What is the maximum capacity of magnetic tape media used today? A. 2.5 MB per tape B. 2.5 GB per tape C. 2.5 TB per tape D. 2.5 PB per tape
C. 2.5 TB per tape
1. A USB_______________ resides inside the host controller and makes the physical connection to USB ports.
2. The USB 2.0 standard introduced _______________ USB running at 480 Mbps
3. FireWire IEEE 1394b runs at _______________ Mbps.
4. The _______________ is both the oldest and still the primary way to input data into a PC.
5. A(n) _______________ moves the cursor as you move your fingers over its surface.
6. _______________ devices scan and remember unique aspects of various body parts such as your retina, iris, head image, or fingerprint, using some form of sensing device such as a retinal scanner.
7. _______________ readers read standard Universal Product Code (UPC) labels, primarily to track inventory.
8. A(n) _______________ (otherwise known as a pen tablet) enables users to paint, ink, pencil, or otherwise draw on a computer.
9. Most cameras above the basic level have some _______________ zoom— meaning that the zoom is built into the lens of the camera.
10. The number of characteristics of a particular sound captured during sampling is measured by the _______________ of the sample.
11. The _______________ is the amount of information (number of bits) transferred from the compressed file to the MP3 decoder in 1 second.
12. A 2.1 speaker system consists of a pair of standard stereo speakers—called _______________—combined with a subwoofer.
13. Many sound cards come with a special _______________ connector that enables you to connect your sound card directly to a 5.1 speaker system or receiver.
Sony/Philips Digital Interface (S/PDIF)
14. A microphone records sound by detecting _______________ and turning them into an electronic signal.
15. The _______________ CODEC is used for high-definition movies on Blu-ray Discs
16. The _______________ CODEC is used for Skype video conferencing.
17. When both the video and audio streams of a video file are compressed, the file is placed into some sort of container file or _______________.
18. _______________ is a container used mainly for WMA and WMV streams.
19. _______________ is the standard container file for Windows.
20. _______________ is the standard container file for Apple QuickTime for both Mac OS X and Windows.
21. TV tuner hardware comes with a standard _______________ connection.
22. A(n) _______________ is a television with network capabilities—both hardware and software—so you can plug in and access the Web.
23. A(n) _______________ is an alternative computing device that you can use if you have a dumb TV.
24. _______________ media refers to any type of mass storage device that you may use in one system and then physically remove from that system and use in another.
25. USB _______________ are flash devices that contain a standard USB connection.
26. _______________ is the oldest, most complex, and physically largest of all removable flash media cards.
27. _______________ are true hard drives, using platters and read/write heads that fit into the tiny CF form factor.
28. Regardless of the type of flash memory you are using, your computer must have a(n) _______________ to access the data on the card directly.
29. The first CDs were designed for playing music and organized the music in a special format called CD-Digital Audio (CDDA), which we usually just call _______________.
30. _______________ is considered the next generation in optical disc formatting and storage technology after CD and DVD.