Computer Maintenance Chapter 11
Terms in this set (40)
How many devices can a single USB host controller theoretically support?
What is the maximum data transfer speed that USB 2.0 can handle?
What is the maximum data transfer speed that USB 3.0 can handle?
What type of USB ports and connectors are used for interfacing with a PC?
USB A ports and connectors
What type of USB cable is especially popular on smartphones?
On USB 1.1 and 2.0 cables, the A and B ports and connectors use _______________ pins.
What is the maximum cable length allowed by USB 1.1 and USB 2.0 specifications?
Most root hubs provide _______________ per port.
What is another term for FireWire?
FireWire supports a maximum of _______________ devices.
Thunderbolt 3 uses a USB _______________ connector.
Thunderbolt 3 offers throughput up to _______________ Gbps at half the power consumption of Thunderbolt 2.
What device is used to scan the chip embedded in devices such as ID badges?
Smart card reader
What is the most common removable storage media used in modern digital cameras?
Secure Digital (SD) card
Digital cameras plug directly into a(n) _______________ port.
The amount of information that a particular camera or camcorder model can capture is expressed in terms of _______________ in the digital world.
Webcams measure their resolution in _______________.
Which characteristic of sound refers to its loudness?
What common file extension refers to the Fraunhoffer MPEG-1 Layer 3 codec?
What is the storage capacity of a Secure Digital Extended Capacity (SDXC) card?
32 GB to 2 TB
CDs store data by using _______________ pits burned into a glass master CD with a powerful laser.
Why did CD-ROM makers invent the ISO-9660 file system?
The royalties required by Microsoft and Apple were becoming prohibitive.
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.
The CD-RW format essentially takes CD-media to the functional equivalent of a(n) _______________flash-media drive.
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.
An 8×4×32× CD-RW drive reads at a speed of _______________.
Virtually all optical drives are _______________-compliant, meaning they plug into the ATA controllers on the motherboard.
The highest capacity DVD versions store roughly _______________ of data.
Which type of DVD media has a storage capacity of 7.95 GB?
What is the storage capacity of a DVD-18 DVD-ROM?
What group of compression standards are used for both audio and video?
Moving Picture Experts Group (MPEG)
DVD-ROM is the DVD-equivalent of the standard _______________ data format.
What is the storage capacity of a single-layer Blu-ray Disc?
How much data can a dual-layer Blu-ray disc store?
What is the wavelength of Blu-Ray's blue-violet laser?
What are the two Blu-ray Disc writable formats?
BD-R and BD-RE
Most internal optical drives use _______________ and support the ATAPI standard.
External optical drives often use USB or _______________ connections.
What common form factor is used for magnetic tape?
Linear Tape Open (LTO)
What is the maximum capacity of magnetic tape media used today?
2.5 TB per tape