An example how to find the Model Number. 

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thank u all for the valuable information.
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thank u all for the valuable information.

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My pc geek friend installed Windows 7 Professional, and this pc has 1 gig of RAM. &nbsp;Is the one gig enough, if not, what is the recommnded size. &nbsp;<br />
Also where and what type of memory chips should I get. &nbsp;I was thinking of upgrading to 3 or 4 gigs depending on the budget of course. &nbsp;This pc will be used by a church for its webcam which will be on 24/7. &nbsp;Is this a wise choice, since money is a big factor. &nbsp;thank u.
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My pc geek friend installed Windows 7 Professional, and this pc has 1 gig of RAM.  Is the one gig enough, if not, what is the recommnded size.  
Also where and what type of memory chips should I get.  I was thinking of upgrading to 3 or 4 gigs depending on the budget of course.  This pc will be used by a church for its webcam which will be on 24/7.  Is this a wise choice, since money is a big factor.  thank u.

Dell imension 4600

Hardware includes cell phones and other digital living devices, tablets, computers, servers, peripherals and components, printers and scanners, gaming consoles, networking hardware such as routers, hubs, switches and modems, storage devices and security equipment such as firewalls and other appliances.

Hardware

Windows 7 is an operating system from Microsoft. Features include multi-touch support, a redesigned Windows Shell with a new taskbar, referred to as the Superbar, a home networking system called HomeGroup, and performance improvements.

Windows 7

A desktop computer is a personal computer designed for use at a single location due to its size and power requirements, usually by one person. The most common configuration has a case that houses the power supply, motherboard, disk storage (usually one or more hard disk drives and optical disc drives); a keyboard and mouse for input; and computer monitor and printer for output. The case may be oriented horizontally and placed atop a desk or vertically and placed underneath or beside a desk.