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A+ > Chapter 3/ peripherals and Expansion > Flashcards

Chapter 3/ peripherals and Expansion Flashcards

1
Q

Expansion card also known as adapter card. definition

3-129

A

is a circuit board that we install into a computer to increase the capabilities of that computer.

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2
Q

Video card

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A

Alternatively referred to as a display adapter, graphics card, video adapter, video board, or a video controller, a video card is an internal circuit board that allows a display device such as a monitor to display images from the computer. video cards work batter with PCIe then AGP and PCI slots.

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3
Q

Sound cards

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A

Alternatively referred to as a sound board or audio card, a sound card is an expansion card or integrated circuit that provides a computer with the ability to produce sound that can be perceived by the user through a peripheral device like speakers or headphones.

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4
Q

Sound card connections, a sound card has small, rounded 1/8 inches jacks on the back of it for connecting microphone, headphone and speakers and other sound equipment like DA15 game port.
3-131

A

Sound in or line in (Blue)
Microphone or Mic (Pink)
Sound out or line out (Green)

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5
Q

TV tuner cards and video capture cards.

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A

A computer is capable of showing TV stations on a monitor by using a TV tuner card. The TV tuner card allows the user to connect a home cable television to the computer. The computer could then display basic cable stations and even digital cable stations on the monitor.

A TV tuner card can even provide a method for recording TV shows on the computer for later viewing.

video capture cards.

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6
Q

I/O card.

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A

is Often used as a catchall phrase for any expansion, common examples are the serial RS-232 and the parallel ports.

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7
Q

communications adapters.

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A

communications adapters give a computer the ability to transmit information to other devices that might be too distant to cable up to directly.
Network interface card and modem are the two most popular.

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8
Q

Network interface card ( NIC).

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A

the NIC is also referred to as Network interface controller and an Ethernet card and network adapter.
It is an expansion card that enables a computer to connect to a network; such as a home network, or the Internet using an Ethernet cable with an RJ-45 connector. wireless NIC does not need to cabled and Cellular card.

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9
Q

Modem

3-134

A

Short for MODulator/DEModulator, the first Modem known as the Dataphone,
The Modem is a hardware device that enables a computer to send and receive information over telephone lines by converting the digital data used by your computer into an analog signal used on phone lines and then converting it back once received on the other end.

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10
Q

Riser card.

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A

A riser board is a circuit board that gives a computer motherboard the option for additional expansion cards to be added to the computer. Desktop computer riser boards were used with LPX, NLX (New Low profile Expended) and even some ATX motherboards. LPX motherboards had a riser board slot on the motherboard, NLX motherboards plugged into the riser board,

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11
Q

Device Connector Types.

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A

computer ports are interface that allow other devices to be connected to a computer and there vary depending on there function, we will do the flowing types of peripheral ports:
D-subminiature
RJ-seris
other types.

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12
Q

D-subminiature.

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A 
DE9 Male serial port.
DE9 Female connecter on a serial cable.
DB25 Male serial port or connecter on a parallel cable.
DB25 Female parallel port or connecter on a serial cable.
DA15 Female  Game port or MIDI port
DA15 Male
DE15 Female
DE15 Male
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13
Q

RJ-Series Registered jack

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A

used in telecommunications.
the most common are RJ11 and RJ45.
RJ11 is used with flat cable in telephone hookups.
RJ45 connector are larger and are used for Ethernet.

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14
Q

USB universal serial bus

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A

flat ports, they replace DR9M serial port.
USB 1.x is an external bus standard that supports data transfer rates of 12 Mbps and is capable of supporting up to 127 peripheral devices.
USB 2.0 support Data rates as high as 480Mbps that is ( 60 MBps).
USB 3.0 support Data 5Gbps.

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15
Q

IEEE 1394(FireWire)

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A

is a bus that has a bandwidth of 400-800 Mbps, can handle up to 63 units on the same bus, and is hot swappable. Users more familiar with USB can relate FireWire to USB as it has many similarities. Like USB, FireWire has dozens of different devices such as removable drives and cameras.

A6-pin FireWire port on PC and A4-pin FireWire port on laptop.

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16
Q

Infrared: it is a slow Technic that no one use any more.

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A 
Infrared port (IR) is a small port on the computer that allows data to be sent and received using electromagnetic radiation in the infrared band .
Infrared is a method of transferring data without the use of wires. A common example of an infrared (Ir) device is a TV remote. However, infrared is also used with computers with devices such as a cordless keyboard or mouse within sort distance.
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17
Q

Audio/Video jack

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A 
RCA jack ( female), RCA (jack ( male)
they used to be used only for audio as line in, line out, microphone, and now they are even used for video.
18
Q

PS/2

3-144

A

Often referred to as the mouse port or keyboard port, the PS/2 port was developed by IBM and is used to connect a computer mouse or keyboard to an IBM compatible computer. The PS/2 port is a mini DIN 6 plug that contains six pins and is still found on all IBM compatible computers today, however, is starting to be replaced by USB.

19
Q

centronics connecter

3-144

A

we call it The parallel port also, it was primarily used in parallel printer connectionist is most often found on peripherals not on computer themselves.

20
Q

Floppy connecters and parallel ATA connectors

3-146

A

The floppy channel, FDD header, or floppy connection is where the floppy drive connects to the computer motherboard. the standard PC floppy drive connector contains 34-pin holes.
Short for Advanced Technology Attachment, used to connect such devices as hard drives, CD-ROM drives, and other disk drives. the PATA connecter has 40 pins.
if the headers of the PATA are blue they represent the UDMA that has 80 wire ribbon cable that allow increased transfer of DATA by reducing crosstalk in the parallel signal.

21
Q

The classic game port

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A

or joystick port, the game control adapter has 15-pin

this port has been largely replaced by game devices that connect using USB and the 15-pin connector is no longer used.

22
Q

parallel interfaces

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A

A computer connection capable of transmitting more than one bit of information at the same time. A good example of a parallel interface is the parallel port.
There are three major specifications of parallel ports: —
-Standard
-bidirectional
-Enhanced

23
Q

Standard parallel port

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A

transmits data in one direction, out of the computer. For example, the parallel port allow the computer to send data to a printer but do not allow that printer to communicate back to the computer.
It can transmit data at only 150 KBps.
It also had maximum transmission distance of 10 feet.

24
Q

bidirectional parallel port

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A

is capable of transmitting data in both directions, but not at the same time. it is capable of interfacing with external devices like CD-ROM, tape drives,

25
Q

Enhanced parallel port

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A

It works almost twice as fast as earlier modes and can transfer data between a peripheral and a computer at the same time.it can transmit data anywhere between 600 MBps to 1.5 GBps.

26
Q

the parallel interfaces and cable

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A

The parallel port is found on the back of IBM compatible computers and is a 25-pin (type DB-25 female) computer interface commonly used to connect printers to the computer. the printer is DB-25 Male

27
Q

Serial communications.

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A

Serial is a term used to describe the process of transmitting information one bit at a time, The common opposite of this is parallel transmission.
There are three main types of serial interfaces.
-Standard serial RS-232
Universal serial bus USB
Fire Wire IEEE 1394

28
Q

Standard serial RS-232

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A

Almost every computer has at least one serial port.
the ports are either DE9 M or DB25 M.
the transmission speed is 57Kbps
the maximum cable length is 50 feet

29
Q

Serial cable: two common

3-155

A

standard serial cable: is used to hook various peripherals such as modems and printers to a computer.
null modem serial cable is used to hook up two computers together.

30
Q

Universal serial bus USB

3-157

A

USB 1.x is an external bus standard that supports data transfer rates of 12 Mbps and is capable of supporting up to 127 peripheral devices.

31
Q

USB speed limitation

3-157

A

Specification/ Maximum speed/ speed trade name
USB 1.0-1.1 / 12Mbps / full speed
USB 2.0 / 480Mbps / High speed
USB 3.0 / 5Gbps super speed

32
Q

USB cables

3-157

A 
USB connectors come in many shapes and sizes as there are many different devices that utilize them. Every version of USB connector including standard, Mini, and Micro have two or more variations of connectors.
Type A
standard Mini B
Type B
Alternate Mini B
Micro B
33
Q

A USB hub

3-159

A

a hub refers to a hardware device that enables multiple devices or connections to be connected to a computer. a USB hub allows dozens of USB devices to be connected to one computer, even though that computer may only have a few USB connections.
if you use hubs, you should never use more then five hubs between the system and any component.

34
Q

USB cable length limitations

3-159

A

USB / Maximum cable / total cable with five hubs
USB 1.0-1.1 / 3 m / 18m
USB 2.0 / 5 m / 30 m
USB 3.0 / 3 m / 18 m

35
Q

IEEE 1394 ( FireWire)
FireWire 400
FireWire 800

3-161

A

FireWire is a digital bus with a bandwidth of 400-800 Mbps. It can handle up to 63 units on the same bus, and is hot swappable.
Ports labeled as i.Link are Sony’s implementation of IEEE-1394. are FireWire that use special type of six wire cable, for FireWire 400 only four wires are used when power is not supplied by the interface. these interface is known as ( alpha connectors).
cable limitation of 4.5m

36
Q

IEEE 1394 b and IEEE 1394 c

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A

IEEE 1394 b allows for 1.6 Gbps ( 1600) to 3.2 Gbps (3200)

IEEE 1394c standardized the running of Firewire over the same category 5e that supports Ethernet.

37
Q

RCA cable

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A

The RCA cable is a simple coaxial cable. there are two connectors, usually male on each side of the cable. there are two contacts on each connector, the ground ring and the positive data pin in the middle.
the male connector connect to the fimale connector on the equipment.

38
Q

PS/2 ( keyboard and mouse)

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A

Often referred to as the mouse port or keyboard port, The PS/2 port is a mini DIN plug that contains six pins, many computers have adopted the color codes purple and teal as identifications for each of the port. The mouse is green and the keyboard is purple.

39
Q

DVI

3-166

A

Short for Digital Visual Interface, DVI is a video display interface. Common devices that utilize the DVI connection are computer monitors and projectors. DVI can even be used with some TVs,

40
Q

There are three main categories of DVI connectors:

3-167

A

DVI-A an analog only connector
DVI-D a digital only connector:
DVI-I a combination of analog/ digital connectors

DVI-I and DVI-D come on two varieties single link and dual link.
DVI dual link as the name implies has more conductors than the DVI single link for transmitting signal. Single link DVI supports a maximum bandwidth of 165 MHz (1920 x 1080 at 60 Hz) and utilizes 12 of the 24 available pins. Dual link DVI utilizes all 24 available pins and supports 2x 165 MHz maximum bandwidth (2048 x 1536 at 60 HZ).

41
Q

HDMI

3-167

A

Short for High Definition Multimedia Interface, HDMI is a connector and cable capable of transmitting high-quality and high-bandwidth streams of audio and video between devices. it is a technology that advances the work of DVI to include the same dual-link resolutions using a stranded HDMI one cable

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