The Computer

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The Computer

A computer is a collection of integrated circuits and other components that can perform with accuracy, speed, and as indicated by a user or automatically by another program, a variety of routines or sequences of instructions that are neat, organized and systematized according to a wide range of practical applications and precisely determined, a process which has been called by the name of the program and that makes it is called the programmer.

THE MOTHERBOARD

•Interprets instructions to the computer

•Performs logical and arithmetic operations.

•Causes the input and output operations to occur.

•A Pentium Pro Microprocessor can perform approximately 250 million instructions per second (MIPS)

CENTRAL PROCESSING UNIT (CPU)

BACK TO MOTHERBOARD

RAM: Random Access Memory.

•Computer’s primary storage of data

to be processed.

•CPU can manipulate electrical

currents.

•Usually measured in MB or KB

(e.g:8MB of RAM)

BACK TO MOTHERBOARD

ROM: Read Only Memory or

the bios

A main function of the BIOS is to give instructions for the power-on self test (POST). This self test ensures that the computer has all of the necessary parts and functionality needed to successfully start itself, such as use of memory, a keyboard and other parts.

BACK TO MOTHERBOARD

Accelerated Graphics Port(AGP)

The Accelerated Graphics Port (also

called Advanced Graphics Port, often

shortened to AGP) is a high-speed

point-to-point channel for attaching a

video card to a computer's

motherboard, primarily to assist in the

acceleration of 3D computer graphics.

BACK TO MOTHERBOARD

Peripheral Component Interconnect (PCI)

Is a computer bus for attaching hardware devices in a computer. Typical PCI cards used in PCs include: network cards, sound cards, modems, extra ports such as USB or serial, TV tuner cards and disk controllers. Historically video cards were typically PCI devices, but growing bandwidth requirements soon outgrew the capabilities of PCI.

BACK TO MOTHERBOARD

The audio/modem riser (AMR)

Also known as an AMR slot, is an expansion slot found on the motherboards of some Pentium III, Pentium 4, and Athlon personal computers. It was designed by Intel to interface with chipsets and provide analog functionality, such as sound cards and modems, on an expansion card.

BACK TO MOTHERBOARD

Integrated Drive Electronics (IDE)

known as ATA (Advanced Technology Attachment) specification [ATA Bus]. The IDE bus is used in Personal Computers [PCs] as a hard-drive or peripheral bus to interconnect the PC mother board and a hard drive. The IDE bus is a Parallel bus. With the introduction of the Serial ATA [SATA] specification Parallel ATA [IDE] is now being called PATA

BACK TO MOTHERBOARD

Is a non-volatile storage device that stores digitally encoded data on rapidly rotating platters with magnetic surfaces. Strictly speaking, "drive" refers to the motorized mechanical aspect that is distinct from its medium, such as a tape drive and its tape, or a floppy disk drive and its floppy disk.

Hard Disk

BACK TO MOTHERBOARD

BACK TO IDE

The sound cardAlso known as an audio card is a computer expansion card that facilitates the input and output of audio signals to and from a computer under control of computer programs. Typical uses of sound cards include providing the audio component for multimedia applications such as music composition, editing video or audio, presentation, education, and entertainment (games).

BACK TO MOTHERBOARD

INPUT DEVICES

Speakers

The speakers are used to listen to the sounds emitted by the computer, such as music, sound errors, conferences. Usually the speakers are integrated into the computer. In laptops, the majority of cases, are integrated so that they are not. And in the over-table in the monitor, but the tower also has a sound to indicate errors.

BACK TO MOTHERBOARD

BACK TO

SCANNERIn computing, a scanner (English

language: scanner) is a peripheral that is used to convert, through the use of light,

or other printed images to digital format.

INPUT DEVICES

MouseThe mouse (in English, pronounced [maʊs]) is a

computer peripheral to the hand, usually made of plastic, used as input data or control.

Used with one of the two hands of the user and detects the relative motion in two dimensions on the horizontal surface in which it supports,

usually reflected by an arrow or pointer on the monitor.

INPUT DEVICES

DIGITAL CAMERA

A digital camera (or digicam for short) is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor.

INPUT DEVICES

MONITOR OR DISPLAY

sometimes called a visual display unit is a piece of electrical equipment which displays images generated by devices such as computers, without producing a permanent record. The monitor comprises the display device, circuitry, and an enclosure. The display device in modern monitors is typically a thin film transistor liquid crystal display (TFT-LCD), while older monitors use a cathode ray tube (CRT).

INPUT DEVICES