CompTIA ITF+ CHAPTER 3 (FCO-U61) PART I
Which of the 3 connectors that are found primarily in Macintosh can accommodate other types of devices?
Thunderbolt
Which 2 out of the 3 connectors that are found primarily in Macintosh can support both high-definition video and audio, just like the HDMI?
Thunderbolt DisplayPort
What two out of the 3 connectors that are found primarily on Macintosh are physically identical and can be used to connect monitors?
Thunderbolt Mini DispayPort
What is the rank structure of the peripheral ports and connectors by speed from fastest to slowest?
Thunderbolt USB FireWire eSATA
How many types of DVI connectors are there?
3
eSATA standards run at what speeds?
1.5, 3, 6 Gbps
How may types of monitors are there?
2
The DisplayPort was meant to be a replacement for VGA on all platforms but failed to catch most likely because the growing popularity of what connector?
HDMI
What is a keyboard?
A common input device through which data and instructions may be typed into computer memory.
USB Type-C
A compact connector for both larger and smaller devices introduced alongside, but separate from the USB 3.1. To eliminate the problem of trying to insert the USB upside, Type-C can be inserted in two orientations. Type-C will eventually replace all previous USB connectors.
eSATA
A modern type of connector for attaching external hard drives. These ports resemble USB and plain SATA but are interchangeable with each other.
USB Type B
A near square connector used most for full size peripherals such as printers.
Micro-B USB Connector
Also for smaller peripherals and devices. The original Micro-B is more compact than the Mini-B USB Connector. Even though the USB 3.x updates the Micro-B connector by adding another part. The old Micro-B will still fit the new USB 3.X Micro-B ports but wont need the new part. But the new Micro-B part prevents it from working with the old Micro-B port.
FireWire 400
An interface port that transfers data at 400 Mbps
FireWire 800
An interface port that transfers data at 800 Mbps.
How does a wireless keyboard communicate with the computer?
By using a wireless receiver plugged into a USB port and communicates via Radio Frequency (RF) with the wireless keyboard.
What does DVI stand for?
DIGITAL VISUAL INTERFACE
How is Printer Resolution measured?
DPI
What is the difference between HDMI and DVI?
DVI only handles video and HDMI handles both video and audio.
What are the three types of DVI connectors?
DVI-D (Digital) DVI-A (Analog) DVI-I ( Integrates digital and analog)
Which of the 3 connectors that are found primarily in Macintosh can is roughly the size and shape of a USB connector but has a keyed corner to differentiate it?
DisplayPort
What 3 connectors are found primarily on Macintosh computers?
DisplayPort Mini DisplayPort Thunderbolt
RJ-45
Ethernet Networking connector
What are the two types of FireWire's?
Firewire 400 FireWire 800
What are the two types of monitors?
Flat-panel display Cathode Ray Tube (CRT) Now obsolete.
What function key is F1 for?
Help
What does HDMI stand for?
High Definition Multimedia Interface
What are the four printing technologies?
IMPACT INKJET LASER THERMAL
What is a scanner?
It copies a picture in a digital form or way.
LED Display Monitor
Light Emitting Diode backlights that use a grid of many tiny light bulbs. When power is applied the light bulbs glow.
Thunderbolt Connector
Like a USB, it supports a variety of peripherals and enables you to daisy-chain up to six devices. That means you can plug a Thunderbolt external storage drive into a Thunderbolt Monitor, into another Thunderbolt monitor, and so on. It uses connectors adopted for earlier technologies and in turn supports those technologies.
Thunderbolt 1
Max speed 10 Gbps; Mini DisplayPort (MDP) connector
Thunderbolt 2
Max speed 20 Gbps; Mini DisplayPort (MDP) connector
Thunderbolt 3
Max speed 40 Gbps; USB Type-C connector
What is a network card also called?
Network Interface Card (NIC). NIC's have a 48-bit hexadecimal Media Access Control (MAC) address that uniquely identifies the NIC on the LAN. The acronym has come to refer to the functionality , rather than the physical card itself.
Legacy parallel
Old printer connections. It is a 25 pin D shaped connector and has mostly been replaced by USB.
CRT monitor
Output device. Older type of computer monitor, now obsolete.
What is PCI stand for?
PERIPHERAL COMPONENT INTERCONNECT
What is PCIe stand for?
PERIPHERAL COMPONENT INTERCONNECT Express
How is speed in a printer measured?
PPM
What is an example of an Impact Printer?
Point-of-Sale Machines because they use special impact paper that can print two or more copies of a receipt.
What does RCA stand for?
Radio Corporation of America
What does RGB stand for in Component Video?
Red, Green, Blue
What does S-video stand for?
Separate video
What is an INKJET PRINTER?
They squirt ink out of special cartridges to create a wide range of hues suitable for printing text and images. They use liquid ink cartridges.
What are audio cards also called?
Sound cards
DIGITAL VISUAL INTERFACE (DVI)
Special video cable and connector designed for digital-to-digital connections; most commonly seen on PC video cards and LCD monitors. Some versions also support analog signals with a special adapter. Despite the name, this connector does not always carry a digital signal.
What type of printer is commonly used for receipt printers and stand alone Fax Machines?
THERMAL PRINTERS
What is a very common type of impact printer?
The DOT-MATRIX Printer
What is friction feed?
The starting process of which small rollers press down on paper stacked in the tray and pull a sheet through the printer.
What is a digitizer, when speaking of touchscreens?
The touch-sensitive part of the screen, a transparent overlaid grid of sensors that record your touch.
What is the name of the HDMI connector?
Type-A
There is a smaller mini version of an HDMI, What is the type called?
Type-C
What are the different types of USB Generations?
USB USB 2.0 ( two standards, USB and high speed USB) USB 3.0 USB 3.1 USB 3.2 All interchangeable and backwards compatible.
What does USB stand for?
Universal Serial Bus
RJ-11
Used for traditional modems and landline telephones. It looks like smaller versions of the RJ-45 connector. Not as common anymore as dial up is becoming obsolete.
What are the four types of expansion cards that can be expanded?
VIDEO CARD AUDIO (SOUND) CARD NETWORK CARD MODEM
What does VGA stand for?
Video Graphics Array
Does HDMI handle both video and signal?
YES
Legacy Serial
a 9-pin D shaped connector. Has been replaced by USB.
LCD Display monitor
a Liquid Crystal Display which has a backlit layer of liquid crystal molecules called subpixels sandwiched between polarizing filters. Projector lamps work hard create a lot of heat. Replacement lamps are costly. Bluetooth or WIFI wireless connectivity.
What is a composite video connector?
a round yellow RCA connector. Sometimes composite cables are joined to red and white RCA connectors (for stereo audio). Composite video is not a great interface for PC use and can not support high resolutions.
What are expansion cards?
a row of metal tabs along one edge that fit into expansion slots on the motherboard.
Mini-B USB Connector
a small peripheral connector for smartphones, digital cameras, MP players, and so on. Less durable than Micro-B USB connectors. It has become rare becomes most new devices rarely use it.
USB 3.X
also called Super Speed USB transfers data at 5 Gbps color code of bright blue.
What is component Video?
an analog video signal where the three main video components are separated into their own channels. Color coded with Red, Green, Blue. Mostly found in TV's and home theaters.What are
What is an S-Video?
an interface for standard-definition video. It is a round plug with four pins that provides better image quality than composite video but is not as good as component (RGB) video. It carries audio as well as video signals like HDMI but with lower-resolution video.
FireWire
cable, also known as IEEE-1394, that carries digital video signals, which include audio, video, and control (stop, start, etc.) signals. used primarily with digital cameras, media devices, and external hard drives.
SHORT THROW PROJECTOR
can create a 100-in diagonal image from about 4 feet away.
What is an impact printer?
create an image by physically striking an ink ribbon against the paper surface. They are slow and noisy.
What are video cards also called?
display adapter
What does DPI stand for?
dots per inch
What does USB do?
enables you to add a variety of peripherals to computers. It is an industry standard connector. USB can carry both power and data.
What is a network card?
enables you to connect to a LAN. It can be wired with an RJ-45 port or wireless with a wireless antenna. Network cards have a 48-bit hexadecimal Media Access Control (MAC) address that uniquely identifies the NIC on the LAN.
What is a modem expansion card?
enables you to connect to the internet or some other network using a regular telephone landline for dial up access. Modem expansion card will have two RJ-11 telephone ports side by side.
What does eSATA stand for?
external Serial Advanced Technology Attachment
What is a touchscreen?
it is an input and output device that functions like a regular flat-panel display in every way, but also has a touch sensitive surface that you can use to interact with the OS.
What is regionalization?
keyboard layouts available for most languages in the world.
USB Type A
most common computer port. used to connect a variety of devices and on one end of most USB cables.
LONG THROW PROJECTOR
needs 10 plus feet to accomplish the same thing.
Regular USB 2.0
often mistakenly called as USB 1.1 transfers data 1.5 Mbps at low speed transfers data 12 Mbps at full speed color code for different speed usually white
High Speed USB 2.0
often mistakenly called as USB 1.1 transfers data at 480 Mbps color coded for different speed black
What are the three main video components of a Component Video?
one for black and white two for color information
What does PPM stand for?
pages per minute
PS/2
personal system/2 connector. Old plug for connecting old mice and keyboards. Color coded green and purple respectively. Nowadays replaced by USB.
What is an audio card?
provides ports to connect speakers, headphones, microphones, and other digital audio input and output devices. Most of sound ports are round 3.5 mm connectors.
what is a video card?
provides ports to connect to an external display and acts as a graphics processor interface between the OS and and the monitor. Video cards work hard so its best to use the fastest interface available.
What is a LASER Printer?
rely on certain organic compounds that conduct electricity when exposed to light.
What is a THERMAL Printer?
selectively heat specially coated paper so that the heated areas turn black. Cannot print grey.
PROJECTORS
shoot an image out to the front and onto a screen. All have a recommended minimum and maximum throw distance.
What is HDMI?
the current standard for television and home theater equipment connections and is increasingly common on computer monitors.
What is Video Graphics Array?
the oldest type of video connector still in use today. It has 15-pins laid out in three rows of five. It is an analog connector meaning it sends analog signal instead of digital signal to a monitor. Third option to DVI and HDMI.
Monitor
the primary output device for the computer.
What is a DOT-MATRIX Printer?
they can print to multipart forms. They have a printhead that holds the pins or printwires that strike the inked ribbon.
FPD monitor
thinner monitor screen and light weight and very little power needed.
USB 3.2
transfer max at 20 Gbps
USB 3.1 Gen 2
transfers data at 10 Gbps
3.5-mm audio
used for microphones, headphones, and speakers. Color coded on most systems.
What is Thermal Transfer Printing?
uses a heat-sensitive film ribbon instead of heat-sensitive paper and can even print in color with a wax-based film ink that melts onto the paper.
What versions of Thunderbolt were primarily used on Mac's for connecting monitors using a mini DisplayPort connector?
version 1 and 2
