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A+ Guide to IT Technical Support > What's Inside a Desktop Case > Flashcards

What's Inside a Desktop Case Flashcards

1
Q

DB9 port

A 
Serial port - A male 9-pin or 25-pin port on a
computer system used by slower I/O
devices such as a mouse or modem. Data
travels serially, one bit at a time,
through the port. serial ports are
sometimes configured as COM1, COM2,
COM3, or COM4. Also called DB9 port.
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2
Q

Serial Port

A 
A male 9-pin or 25-pin port on a
computer system used by slower I/O
devices such as a mouse or modem. Data
travels serially, one bit at a time,
through the port. serial ports are
sometimes configured as COM1, COM2,
COM3, or COM4. Also called DB9 port.
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3
Q

processor

A

see central processing unit (CPU).

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4
Q

DisplayPort

A 
A port that transmits digital video and
audio (not analog transmissions) and is
slowly replacing VGA and DVI ports on
personal computers. Also see
Thunderbolt port.
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5
Q

Serial ATA (SATA)

A 
An ATAPI interface standard for hard
drives, optical drives, and other drives
that uses a narrower and more reliable
cable than the 80-conductor cable and in
easier to configure than PATA systems.
Also see parallel ATA.
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6
Q

form factors

A

A set of specifications on the size, shape,
and configuration of a computer
hardware component such as a case,
power supply, or motherboard.

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7
Q

tower case

A 
The largest type of personal computer
case. Tower cases stand vertically and
can be as high as two feet tall. They
have more drive bays and are a good
choice for computer users who
anticipate making significant upgrades.
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8
Q

20-pin P1 connector

A

Used by an older ATX power supply and
motherboard and provided +3.3 volts, +5
volts, +12 volts, −12 volts, and an
optional and rarely used −5 volts.

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9
Q

FireWire port

A

A port used for high-speed multimedia

devices such as camcorders. Also called IEEE 1394 port.

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10
Q

IEEE 1394 port

A

See FireWire port.

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11
Q

Lightning port

A

The connector used on newer Apple
iPhones, iPods, and iPads for power and
communication.

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12
Q

heat sink

A

A piece of metal, with cooling fins, that
can be attached to or mounted on an
integrated chip package (such as the
CPU) to dissipate heat.

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13
Q

SATA power connector

A

A 15-pin flat power connector that

provides power to SATA drive.

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14
Q

network port

A

A port used by a network cable to connect to the wired network. Also called an ethernet port or RJ-45 port.

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15
Q

PCI Express (PCIe)

A

The latest evolution of PCI, which is not backward compatible with earlier PCI slots and cards. PCIe slots come in several sizes, including PCIe x1, PCIe x4,
PCIe x8, and PCIe x16.

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16
Q

internal components

A

The main components installed in a computer case.

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17
Q

motherboard

A

The main board in the computer, also called the system board. The CPU, ROM chips, DIMMs, RIMMs, and interface cards are plugged into the motherboard.

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18
Q

RJ-11 port

A

See RJ-11 jack.

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19
Q

USB (Universal Serial Bus) port

A

A type of port dedigned to make

installation and configuration of I/O devices easy, providing room for as many as 127 devices daisy-chained together.

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20
Q

Analog

A

A continuous signal with infinite

variations. Compare with digital, which is a series of binary values—1s and 0s.

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21
Q

24-pin P1 connector

A

Used by the ATX Version 2.2 power supply and motherboard and provides additional power for PCI Express slots.

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22
Q

touch pad

A

A common pointing device on a laptop computer.

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23
Q

HD15 port

A

See VGA (Video Graphics Array) port

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24
Q

hard drive

A

The main secondary storage device of a computer. Two technologies are currently used by hard drives: magnetic and solid state. Aldo called hard disk drive (HDD).

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25
Q

4-pin 12-V connector

A

An auxiliary motherboard connector used for extra 12-V power to the
processor.

26
Q

8-pin 12-V connector

A

An auxiliary motherboard connector
used for extra 12-V power to the
processor, providing more power than
the older 4-pin auxiliary connector.

27
Q

Ethernet port

A

see network port.

28
Q

VGA (Video Graphics Array) port

A

A 15-pin analog video port popular for many years. Also called DB15 port, DE15 port, or HD15 port.

29
Q

RJ-45 port

A

A port that looks like a large phone jack and is used by twisted-pair cable to connect to a wired network adapter or
other hardware device. RJ stands for registered jack. Also called ethernet port.

30
Q

DB15 port

A

Another name for VGA (Video Graphics Array) port

31
Q

central processing unit (CPU)

A

Also called a microprocessor or processor. The component where almost all processing of data and instructions takes place. The CPU receives data input, processes information, and executes
instructions.

32
Q

expansion card

A

A circuit board inserted into a slot on the motherboard to enhance the capability of the computer.

33
Q

Thunderbolt port

A

A port that transmits both video and data on the same port and cable. The port is shaped the same at the DisplayPort and is compatible with DisplayPort devices.

34
Q

HDMI (High-Definition Multimedia

Interface) port

A

A digital audio and video port currently used on televisions and other home theater equipment and is often used to connect a computer to home theater
equipment.

35
Q

ATX12V power supply

A

An ATX Version 2.1 power supply that provides an extra 12-V power cord with a 4-pin connector to be used by the auxiliary 4-pin power connector on motherboards used to provide extra power for processors.

36
Q

hard disk drive (HDD)

A

Another Name for Hard Drive

37
Q

PS/2 port

A

A round 6-pin port used by a keyboard

or mouse.

38
Q

Serial port

A

A male 9-pin or 25-pin port on a
computer system used by slower I/O
devices such as a mouse or modem. Data travels serially, one bit at a time,
through the port. serial ports are
sometimes configured as COM1, COM2,COM3, or COM4. Also called DB9 port.

39
Q

S-Video port

A

A 4-pin or 7-pin round video port that
sends two signals over the cable, one for color and the other for brightness, and is used by home high-end TVs and video equipment.

40
Q

Molex connector

A

A 4-pin power connector used to provide power to a PATA hard drive or optical drive.

41
Q

parallel port

A

An outdated female 25-pin port on a
computer that transmitted data in
parallel, 8 bits at a time, and was usually used with a printer. Parallel ports have been replaced by USB ports. Also called an LPT1 port, LPT2 port, and LPT port.

42
Q

microATX (MATX)

A

A smaller version of the ATX form factor. MicroATX addresses some new
technologies that were developed after the original introduction of ATX.

43
Q

power supply unit (PSU)

A

Another name for power supply

44
Q

modem port

A

A port used to connect dial-up phone

lines to computers.

45
Q

ATX (Advanced Technology Extended)

A 
The most common form factor for
computer systems presently in use,
originally introduced by Intel in 1995.
ATX motherboards and cases make
better use of space and resources than did the earlier AT form factor.
46
Q

power supply

A 
A box inside the computer case that
receives power and converts it to
provide power to the motherboard and
other installed devices. Power supplies
provide 3.3-, 5-, and 12-V DC. Also called a power supply unit (PSU).
47
Q

audio ports

A

A port that can be used by a microphone, audio in, audio out, and
stereo audio out. Also called a sound
port.

48
Q

DIMM (dual inline memory module)

A

A miniature circuit board installed on a

motherboard to hold memory.

49
Q

digital

A

A signal consisting of a series of binary

values—1s and 0s. Compare with analog.

50
Q

RAM (random access memory)

A 
Memory modules on the motherboard
containing microchips used to
temporarily hold data and programs
while the CPU processes both.
Information in RAM is lost when the
computer is turned off.
51
Q

main board

A

Another name for motherboard

52
Q

chassis

A

A computer case for any type of

computer.

53
Q

DVI (Digital Video Interface) port

A

A port that transmits digital or analog

video.

54
Q

S/PDIF (Sony/Philips Digital Interface) Sound port

A

A port that connects to an external
home theater audio system, providing
digital audio output and the best signal quality.

55
Q

LPT port

A

See parallel port.

56
Q

PCIe 6/8-pin connector

A

A power cord connector used by high end video cards using PCIe x16 slots to provide extra voltage to the card and can accommodate a 6-hole or 8-hole port.

57
Q

desktop case

A

A computer case that lies flat and
sometimes serves double-duty as a
monitor stand.

58
Q

DE15 port

A

See VGA (Video Graphics Array) port.

59
Q

audio port

A

A port that can be used by a microphone, audio in, audio out, and
stereo audio out. Also called a sound
port.

60
Q

form factor

A

A set of specifications on the size, shape, and configuration of a computer
hardware component such as a case,
power supply, or motherboard.

61
Q

microprocessor

A

See central processing unit (CPU).

62
Q

system board

A

See motherboard.

A+ Guide to IT Technical Support (1 decks)

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