A new computer system

High performance for gaming, using photoshop, vmware and workstation

Motherboard : Asus P7P55D-E-Deluxe Price: $297.00
CPU : Intel 1156pin Core i7 Series: i7-860 Price: $351.00
High Speed
Graphics Card : Asus : 1G GTX 465 Price: $341.00
High performance for graphic
RAM : 4G Kit ddr3 2000 Kingston T1 Price: $169.00
High performance for mutli-tasks
HDD : Seagate 3.5” Desktop 1TB Price: $109.00
Large capability for files storage
CDROM : SATA BenQ DVD-RW Price: $25.00
Modem : N Price:
LCD : 23” Asus MS238H HDMI (LED) Price: $245.00
Good Display
Case : AeroCool S9-Pro / Extreme Engine-3T Price: $146.00
Good quaility for all compoment inside
Power Supply : Coolermaster GX Power 750 Price: $129.00
supply enough for cpu and graphic card
Keyboard : MS Natural Ergo 4000 Price: $59.00
comfortable for typing
Mouse : Logitech Cordless M950 Price: $85.00
Good control
Operating Sys : Microsoft Windows 7 Professional Price: $449.00
Easy to use
Software : N Price:
Printer : Canon Laser MF 4350D Price: $364.00
Good quaility for printing photo and documents
Scanner : Canon 200 Price: $125.00

Total Price : $2,894.00

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External hardware components and peripherals, cost, image and function

Monitor: $100-$300 A monitor or display (sometimes called a visual display unit) is an electronic visual display for computers. Laser Printer: $150-$400 A laser printer is a common type of computer printer that rapidly produces high quality text and graphics on plain paper. Projector: $300-$3000 A video projector takes a video signal and projects the corresponding image on a projection screen using a lens system. Scanner: $100-$300 In computing, a scanner is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image.

A Description of the different PC and Macintosh Operating Systems

Linux: Linux (commonly pronounced /lɪnəks/ LIN-əks in American English, also pronounced /lɪnʊks/ LIN-ooksin Europe and Canada) refers to the family of Unix-like computer operating systems using the Linux kernel. Linux can be installed on a wide variety of computer hardware, ranging from mobile phones, tablet computers and video game consoles, to mainframes and supercomputers.[ Linux is predominantly known for its use in servers; in 2009 it held a server market share ranging between 20–40%. Most desktop computers run either Microsoft Windows or Mac OS X, with Linux having anywhere from a low of an estimated 1–2% of the desktop market to a high of an estimated 4.8%. However, desktop use of Linux has become increasingly popular in recent years, partly owing to the popular Ubuntu, Fedora, Mint, and openSUSE distributions[11] and the emergence of netbooks and smartphones running an embedded Linux. Macintosh Operating Systems: Mac OS is the trademark-protected name for a series of g...

A Description of the Boot Process

In order for a computer to successfully boot, its BIOS, operating system and hardware components must all be working properly; failure of any one of these three elements will likely result in a failed boot sequence. When the computer's power is first turned on, the CPU initializes itself, which is triggered by a series of clock ticks generated by the system clock. Part of the CPU's initialization is to look to the system's ROM BIOS for its first instruction in the startup program. The ROM BIOS stores the first instruction, which is the instruction to run the power-on self test (POST), in a predetermined memory address. POST begins by checking the BIOS chip and then tests CMOS RAM. If the POST does not detect a battery failure, it then continues to initialize the CPU, checking the inventoried hardware devices (such as the video card), secondary storage devices, such as hard drives and floppy drives, ports and other hardware devices, such as the keyboard and mouse, to ensu...

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