Wendy Vocabulary

7/28/2019 Wendy Vocabulary

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A.CPU

CPU is "Central Processing Unit" (internal component), where the majority of calculations take

place. Nowadays, CPU is of small size and square. It is the most important element of the

computer system.

b. RAM

RAM is a primary memory type, where the operating system, application programs, and data in

current use are kept so that they can be quickly reached by the computer's processor. There are 2types of RAM : SRAM and DRAM. RAM is much faster to read from and write to than the other

kinds of storage in a computer, the hard disk, floppy disk, and CD-ROM.

C. Expansion cards

Expansion card is an electronic card/board that is used to add extra functionality to a computer. It


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is inserted into an expansion slot on the motherboard of a computer. There are many types as

sound cards, video graphics cards, network cards and so on. They are keyed, which means they

can just go in one direction and be inserted in the slot they were designed for.

D. Power supply

A power supply unit (PSU) is the component that supplies power to a computer. Most personal

computers can be plugged into standard electrical outlets. The power supply then pulls therequired amount of electricity and converts the AC current to DC current.

E. ATX connector

ATX connector is a type of connector that is designed to connect a computers power supply to an

ATX motherboard. The nylon matrix on modern ATX power connectors can have 20 or 24 pins,depending on the power necessary for the processor. They are constructed of metal pin laid

throughout a nylon matrix.

F. Hard disk


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A hard disk is part of a unit, often called a "disk drive," "hard drive," or "hard disk drive," which

stores and provides relatively quick access to large amounts of data on an electromagnetically

charged surface or set of surfaces. Today's computers typically come with a hard disk that contains

several billion bytes (gigabytes) of storage. It is really a set of stacked "disks," each of which, like

phonograph records, has data recorded electromagnetically in concentric circles or "tracks" on thedisk.

G. Sata connector

Sata connector is the contact point through the one the hardisk and motherboard are connected.

For example: there is an external Sata. The cables are really light.

H. IDE connector


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IDE connector is the contact point used for the connection of CD/DVD-ROM drive to a

motherboard, through a ribbon cable. For example: if the Film teacher needs to pass the videos to

grade, she needs to use this connector. This connector transfers data and commands between

devices, but not power.

I. CPU Fan Connector

A CPU Fan Connector is a port through the one the fan is linked and able to cool down the CPU.

For example: it registers the speed of fan to make sure the CPU ain't to hot and fan spinning

maximum speed. The temperature and speed of this fan is constantly been registered to maintain

a control.

J. CPU Socket

A CPU Socket is the connector on the motherboard that houses a CPU and forms the electrical

interface and contact with the CPU . Computers based on the Intel x86 architecture include socket

processors. Processor sockets use a pin grid array (PGA) where pins on the underside of the

processor connect to holes in the processor socket.


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K. CMOS Backup Battery

A CMOS Backup Battery is small amount of memory on a computer motherboard that stores the

BIOS settings. The CMOS is usually powered by a CR2032 cell battery. Most CMOS batteries will

last the lifetime of a motherboard (up to 10 years in most cases) but will sometimes need to be

replaced, and the incorrect or slow system date and time and loss of BIOS settings are major signs

of a dead or dying CMOS battery.

i. PS/2

PS/2 is a port used to connect a computer mouse or keyboard to an IBM compatible computer. For

example: The PS/2 for keyboard is usually purple, whereas the one for the mouse is green. ThePS/2 port is a mini DIN plug that contains six pins and is still found on all IBM compatible

computers today, however, is starting to be replaced by USB.

ii. Serial Port

A serial port is a general-purpose interface that can be used for almost any type of device,

including modems, mice, and printers (although most printers are connected to a parallel port).For example: Most serial ports on personal computers conform to the RS-232C or RS-422

standards. This port is commonly considering the slowest one.


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iii. Parallel port

Parallel port is a parallel interface for connecting an external device such as a printer. For example:

A newer type of parallel port, which supports the same connectors as the Centronics interface, is

the EPP (Enhanced Parallel Port) or ECP (Extended Capabilities Port). The parallel port is found on

the back of IBM compatible computers and is a 25-pin (type DB-25) computer interface commonly

used to connect printers to the computer.

iv. VGA

VGA is a standard type of connection for video devices such as monitors and projectors. For

example: if the monitor is not connected through this port, the images are not going to be

displayed. It is a three-row 15-pin DE-15 connector. The 15-pin VGA connector is found on manyvideo cards, computer monitors, and high definition television sets.

v. IEEE 1394

IEEE 1394 is an external connection, similar to the USB port, which allows the connectionbetween computer and peripheral devices. For example: It is usually used by Mac (invented by

Apple Inc.), so if you want to transfer videos from your camera or computer; it would provide a

faster input of data. It is a standard is a popular one for hardware requiring high data transfer

rates. FireWire ports and cables are used to connect devices such as digital video cameras, some

printers, scanners, external hard drives and more to a computer.


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vi. USB

USB is an external connector or socket located in computers, or peripheral devices, in which the

USB cable is plugged. For example: the standard layout for computers, called USB-B, is a

rectangular connection point approximately 1.4 cm (9/16 in) length by 0.65 cm (1/4 in) height. USB

ports allow stand-alone electronic devices to be connected via cables to a computer (or to each

other).

vii. Ethernet

An Ethernet is a port, meaning an opening on computer network equipment that Ethernet cables

plug into. For example: Most computers include one built-in Ethernet port for connecting the

device to a wired network. These ports are alternatively called jacks or sockets. Ethernet portsaccept cables with RJ-45 connectors.

viii. Audio

Audio is any receptacle or jack to which an audio device such as speakers, headphones or a

microphone can be connected. For examples: There are people that need to develope their work,

without bothering others, so they can connect their headphones to it. All laptops and some

desktops have built-in speakers, but for better sound or privacy, you will need to connect external

audio through one of the ports.


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