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Chapter 1 Vocabulary 1
Hornet Tech Chapter 1 Vocabulary 1
20
Computer Science
9th Grade
02/02/2015

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Cards

Term
desktop case
Definition
A computer case that lies flat and sometimes serves double-duty as a monitor stand.
Term
DisplayPort
Definition
A port that transmits digital video and audio (not analog transmissions) and is slowly replacing VGA and DVI ports on personal computers.
Term

External SATA

eSATA

Definition

 

A standard for external drives based on SATA that uses a special external shielded cable up to 2 meters long. It is up to six times faster than USB or FireWire.

 

Term
FireWire port
Definition
A port used for high-speed multimedia devices such as camcorders. Also called an IEEE 1394 port.
Term

hard drive

or hard disk drive

Definition
The main secondary storage device of a computer. Two technologies are currently used by hard drives: magnetic and solid state.
Term

HDMI port

High Definition Multimedia Interface

Definition

 

A digital video and audio interface standard currently used on TV and home theater equipment.  Expected to replace DVI.

 

Term
Internal Components
Definition
The main components installed in a computer case.
Term
Modem port
Definition
A port used to connect dial-up phone lines to computers
Term
Network port
Definition

 

A port used by a network cable to connect to the wired network.

 

Term
Parallel port
Definition
An outdated female 25-pin port on a computer that transmitted data in parallel, 8 bits at a time, and was usually used with a printer.
Term
Power Supply
Definition
A box inside the computer case that receives power and converts it to provide power to the motherboard and other installed devices. They provide 3.3, 5, and 12 volts DC.
Term
PS/2 port
Definition
A round 6-pin port used by a keyboard or mouse.
Term

RAM

random access memory

Definition

 

Memory modules on the motherboard containing microchips used to temporarily hold data and programs while the CPU processes both. Information is lost when the PC is turned off.

 

Term
RJ-11 jack
Definition
A phone line connection or port found on modems, telephones, and house phone outlets.
Term
RJ-45
Definition

 

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.

 

Term
S-Video
Definition

 

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 some high end TVs and video equipment.

 

Term

S/PDIF

Sony-Phillips Digital Interface

Definition

 

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

 

Term
Serial Port
Definition

 

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. These are sometimes configured as COM1, COM2, COM3, or COM4.

 

Term
Thunderbolt
Definition

 

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

 

Term

VGA

Video Graphics Adapter

Definition

 

A 15-pin analog video port popular for many years.

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